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[official-gcc.git] / gcc / fixinc / inclhack.def

/* -*- Mode: C -*-  */

autogen definitions fixincl;

/* Define all the fixes we know about for repairing damaged headers.
   Please see the README before adding or changing entries in this file.

   This is the sort command:

   blocksort output=inclhack.sorted \
          pattern='^/\*$' \
          trailer='^/\*EOF\*[/]' \
          input=inclhack.def \
          key='hackname[        ]*=[    ]*(.*);'

   Set up a debug test so we can make the templates emit special
   code while debugging these fixes:  */

#ifdef DEBUG
FIXINC_DEBUG = yes;
#endif

/*
 *  This fixes __FD_ZERO bug for linux 2.x.y (x <= 2 && y <= some n)
 */
fix = {
    hackname = AAB_fd_zero_asm_posix_types_h;
    files    = asm/posix_types.h;
    mach     = 'i[34567]86-*-linux*';
    bypass   = '} while';

    /*
     * Define _POSIX_TYPES_H_WRAPPER at the end of the wrapper, not
     * the start, so that if #include_next gets another instance of
     * the wrapper, this will follow the #include_next chain until
     * we arrive at the real <asm/posix_types.h>.
     */
    replace  = <<-  _EndOfHeader_
        /* This file fixes a bug in the __FD_ZERO macro
           for older versions of the Linux kernel. */
        #ifndef _POSIX_TYPES_H_WRAPPER
        #include <features.h>
         #include_next <asm/posix_types.h>
        
        #if defined(__FD_ZERO) && !defined(__GLIBC__)
        #undef __FD_ZERO
        #define __FD_ZERO(fdsetp) \
          do { \
            int __d0, __d1; \
                        __asm__ __volatile__("cld ; rep ; stosl" \
                                : "=&c" (__d0), "=&D" (__d1) \
                                : "a" (0), "0" (__FDSET_LONGS), \
                                  "1" ((__kernel_fd_set *) (fdsetp)) :"memory"); \
          } while (0)
        #endif
        
        #define _POSIX_TYPES_H_WRAPPER
        #endif /* _POSIX_TYPES_H_WRAPPER */
        _EndOfHeader_;
};


/*
 *  This fixes __FD_ZERO bug for glibc-1.x
 */
fix = {
    hackname = AAB_fd_zero_gnu_types_h;
    files    = gnu/types.h;
    mach     = 'i[34567]86-*-linux*';

    /*
     * Define _TYPES_H_WRAPPER at the end of the wrapper, not
     * the start, so that if #include_next gets another instance of
     * the wrapper, this will follow the #include_next chain until
     * we arrive at the real <gnu/types.h>.
     */
    replace  = <<-  _EndOfHeader_
        /* This file fixes a bug in the __FD_ZERO macro present in glibc 1.x. */
        #ifndef _TYPES_H_WRAPPER
        #include <features.h>
        #include_next <gnu/types.h>

        #if defined(__FD_ZERO) && !defined(__GLIBC__)
        #undef __FD_ZERO
        # define __FD_ZERO(fdsetp) \\
          do { \\
            int __d0, __d1; \\
                __asm__ __volatile__("cld ; rep ; stosl" \\
                : "=&c" (__d0), "=&D" (__d1) \\
                : "a" (0), "0" (__FDSET_LONGS), \\
                  "1" ((__fd_set *) (fdsetp)) :"memory"); \\
          } while (0)
        #endif

        #define _TYPES_H_WRAPPER
        #endif /* _TYPES_H_WRAPPER */
        _EndOfHeader_;
};


/*
 *  This fixes __FD_ZERO bug for glibc-2.0.x
 */
fix = {
    hackname = AAB_fd_zero_selectbits_h;
    files    = selectbits.h;
    mach     = 'i[34567]86-*-linux*';

    /*
     * Define _SELECTBITS_H_WRAPPER at the end of the wrapper, not
     * the start, so that if #include_next gets another instance of
     * the wrapper, this will follow the #include_next chain until
     * we arrive at the real <selectbits.h>.
     */
    replace  = <<-  _EndOfHeader_
        /* This file fixes a bug in the __FD_ZERO macro present in glibc 2.0.x. */
        #ifndef _SELECTBITS_H_WRAPPER
          #include <features.h>
          #include_next <selectbits.h>

          #if defined(__FD_ZERO) && defined(__GLIBC__) \\
          && defined(__GLIBC_MINOR__) && __GLIBC__ == 2 \\
          && __GLIBC_MINOR__ == 0
             #undef __FD_ZERO
             #define __FD_ZERO(fdsetp) \\
             do { \\
                int __d0, __d1; \\
              __asm__ __volatile__ ("cld; rep; stosl" \\
                        : "=&c" (__d0), "=&D" (__d1) \\
                        : "a" (0), "0" (sizeof (__fd_set) \\
                                        / sizeof (__fd_mask)), \\
                          "1" ((__fd_mask *) (fdsetp)) \\
                        : "memory"); \\
              } while (0)
          #endif

          #define _SELECTBITS_H_WRAPPER
        #endif /* _SELECTBITS_H_WRAPPER */
        _EndOfHeader_;
};


/*
 * Solaris <sys/varargs.h> is a DDK (aka kernel-land) header providing
 * the same interface as <stdarg.h>.  No idea why they couldn't have just
 * used the standard header.
 */
fix = {
    hackname = AAB_solaris_sys_varargs_h;
    files    = "sys/varargs.h";
    mach     = '*-*-solaris*';
    replace  = <<-  _EndOfHeader_
        #ifdef __STDC__
          #include <stdarg.h>
        #else
          #include <varargs.h>
        #endif
        _EndOfHeader_;
};


/*
 *  Fix non-ANSI memcpy declaration that conflicts with gcc's builtin
 *  declaration on Sun OS 4.x.  We must only fix this on Sun OS 4.x, because
 *  many other systems have similar text but correct versions of the file.
 *  To ensure only Sun's is fixed, we grep for a likely unique string.
 *  Fix also on sysV68 R3V7.1 (head/memory.h\t50.1\t )
 */
fix = {
    hackname = AAB_sun_memcpy;
    files    = memory.h;
    select   = "/\\*\t@\\(#\\)"
             "(head/memory.h\t50.1\t "
             "|memory\\.h 1\\.[2-4] 8./../.. SMI; from S5R2 1\\.2\t)\\*/";

    replace = <<-  _EndOfHeader_
        /* This file was generated by fixincludes */
        #ifndef __memory_h__
          #define __memory_h__

          #ifdef __STDC__
            extern void *memccpy();
            extern void *memchr();
            extern void *memcpy();
            extern void *memset();
          #else
            extern char *memccpy();
            extern char *memchr();
            extern char *memcpy();
            extern char *memset();
          #endif /* __STDC__ */

          extern int memcmp();

        #endif /* __memory_h__ */
        _EndOfHeader;
};


/*
 *  Completely replace <sys/varargs.h> with a file that includes gcc's
 *  stdarg.h or varargs.h files as appropriate.
 */
#ifdef SVR4
fix = {
    hackname = AAB_svr4_no_varargs;
    files    = sys/varargs.h;
    replace  = "/* This file was generated by fixincludes.  */\n"
               "#ifndef _SYS_VARARGS_H\n"
               "#define _SYS_VARARGS_H\n\n"
                                                                                
               "#ifdef __STDC__\n"
               "#include <stdarg.h>\n"
               "#else\n"
               "#include <varargs.h>\n"
               "#endif\n\n"
                                                                                
               "#endif  /* _SYS_VARARGS_H */\n";
};
#endif


/*
 *  Completely replace <sys/byteorder.h>; with a file that implements gcc's
 *  optimized byteswapping.  Restricted to "SVR4" machines until either
 *  it is shown to be safe to replace this file always, or we get bolder ;-)
 */
fix = {
    hackname = AAB_svr4_replace_byteorder;
#ifndef SVR5
    mach     = "*-*-sysv4*";
    mach     = "i[34567]86-*-sysv5*";
    mach     = "i[34567]86-*-udk*";
    mach     = "i[34567]86-*-solaris2.[0-4]";
    mach     = "powerpcle-*-solaris2.[0-4]";
    mach     = "sparc-*-solaris2.[0-4]";
#endif /* SVR5 */
    files    = sys/byteorder.h;
    replace  = <<-  _EndOfHeader_
        #ifndef _SYS_BYTEORDER_H
        #define _SYS_BYTEORDER_H

        /* Functions to convert `short' and `long' quantities from host byte order
           to (internet) network byte order (i.e. big-endian).

           Written by Ron Guilmette (rfg@ncd.com).

           This isn't actually used by GCC.  It is installed by fixinc.svr4.

           For big-endian machines these functions are essentially no-ops.

           For little-endian machines, we define the functions using specialized
           asm sequences in cases where doing so yields better code (e.g. i386).  */

        #if !defined (__GNUC__) && !defined (__GNUG__)
          #error You lose!  This file is only useful with GNU compilers.
        #endif

        #ifndef __BYTE_ORDER__
          /* Byte order defines.  These are as defined on UnixWare 1.1, but with
             double underscores added at the front and back.  */
          #define __LITTLE_ENDIAN__   1234
          #define __BIG_ENDIAN__      4321
          #define __PDP_ENDIAN__      3412
        #endif

        #ifdef __STDC__
          static __inline__ unsigned long htonl (unsigned long);
          static __inline__ unsigned short htons (unsigned int);
          static __inline__ unsigned long ntohl (unsigned long);
          static __inline__ unsigned short ntohs (unsigned int);
        #endif /* defined (__STDC__) */

        #if defined (__i386__)

          #ifndef __BYTE_ORDER__
            #define __BYTE_ORDER__ __LITTLE_ENDIAN__
          #endif

          /* Convert a host long to a network long.  */

          /* We must use a new-style function definition, so that this will also
             be valid for C++.  */
          static __inline__ unsigned long
          htonl (unsigned long __arg)
          {
            register unsigned long __result;

            __asm__ ("xchg%B0 %b0,%h0
                  ror%L0 $16,%0
                  xchg%B0 %b0,%h0" : "=q" (__result) : "0" (__arg));
            return __result;
          }

          /* Convert a host short to a network short.  */

          static __inline__ unsigned short
          htons (unsigned int __arg)
          {
            register unsigned short __result;

            __asm__ ("xchg%B0 %b0,%h0" : "=q" (__result) : "0" (__arg));
            return __result;
          }

        #elif (defined (__ns32k__) || defined (__vax__) || defined (__arm__))

          #ifndef __BYTE_ORDER__
            #define __BYTE_ORDER__ __LITTLE_ENDIAN__
          #endif

          /* For other little-endian machines, using C code is just as efficient as
             using assembly code.  */

          /* Convert a host long to a network long.  */

          static __inline__ unsigned long
          htonl (unsigned long __arg)
          {
            register unsigned long __result;

            __result = (__arg >> 24) & 0x000000ff;
            __result |= (__arg >> 8) & 0x0000ff00;
            __result |= (__arg << 8) & 0x00ff0000;
            __result |= (__arg << 24) & 0xff000000;
            return __result;
          }

          /* Convert a host short to a network short.  */

          static __inline__ unsigned short
          htons (unsigned int __arg)
          {
            register unsigned short __result;

            __result = (__arg << 8) & 0xff00;
            __result |= (__arg >> 8) & 0x00ff;
            return __result;
          }

        #else /* must be a big-endian machine */

          #ifndef __BYTE_ORDER__
            #define __BYTE_ORDER__ __BIG_ENDIAN__
          #endif

          /* Convert a host long to a network long.  */

          static __inline__ unsigned long
          htonl (unsigned long __arg)
          {
            return __arg;
          }

          /* Convert a host short to a network short.  */

          static __inline__ unsigned short
          htons (unsigned int __arg)
          {
            return __arg;
          }

        #endif /* big-endian */

        /* Convert a network long to a host long.  */

        static __inline__ unsigned long
        ntohl (unsigned long __arg)
        {
          return htonl (__arg);
        }

        /* Convert a network short to a host short.  */

        static __inline__ unsigned short
        ntohs (unsigned int __arg)
        {
          return htons (__arg);
        }
        #endif
        _EndOfHeader_;
};


/*
 *  Cancel out ansi_compat.h on Ultrix.  Replace it with an empty file.
 */
fix = {
    hackname = AAB_ultrix_ansi_compat;
    files    = ansi_compat.h;
    select   = ULTRIX;
    replace  = "/* This file intentionally left blank.  */\n";
};


/*
 *  The Ultrix 4.3 file limits.h is a symbolic link to sys/limits.h.
 *  Replace limits.h with a file that includes sys/limits.h.
 */
fix = {
    hackname = AAB_ultrix_limits;
    files    = limits.h;
    mach     = "*-*-ultrix4.3";
    replace  = <<-  _EndOfHeader_
        #ifndef _LIMITS_INCLUDED
          #define _LIMITS_INCLUDED
          #include <sys/limits.h>
        #endif /* _LIMITS_INCLUDED */
        _EndOfHeader_;
};


/*
 *  The ULTRIX 4.3 version of memory.h duplicates definitions
 *  present in strings.h.  Replace memory.h with a file that includes
 *  strings.h to prevent problems from multiple inclusion.
 */
fix = {
    hackname = AAB_ultrix_memory;
    files    = memory.h;
    mach     = "*-*-ultrix4.3";
    replace  = <<-  _EndOfHeader_
        #ifndef _MEMORY_INCLUDED
          #define _MEMORY_INCLUDED
          #include <strings.h>
        #endif /* _MEMORY_INCLUDED */
        _EndOfHeader_;
};


/*
 *  The Ultrix 4.3 file string.h is a symbolic link to strings.h.
 *  Replace string.h link with a file that includes strings.h to prevent
 *  problems from multiple inclusion.
 */
fix = {
    hackname = AAB_ultrix_string;
    files    = string.h;
    mach     = "*-*-ultrix4.3";
    replace  = <<-  _EndOfHeader_
        #ifndef _STRING_INCLUDED
          #define _STRING_INCLUDED
          #include <strings.h>
        #endif /* _STRING_INCLUDED */
        _EndOfHeader_;
};


/*
 *  pthread.h on AIX 4.3.3 tries to define a macro without whitspace
 *  which violates a requirement of ISO C.
 */
fix = {
    hackname  = aix_pthread;
    files     = "pthread.h";
    select    = "(#define [A-Za-z_0-9]+)(\\\\\n[^A-Za-z_0-9 \t\n(])";
    c_fix     = format;
    c_fix_arg = "%1 %2";
    test_text = "#define PTHREAD_MUTEX_INITIALIZER\\\\\n"
                "{...init stuff...}";
};


/*
 *  sys/machine.h on AIX 4.3.3 puts whitespace between a \ and a newline
 *  in an otherwise harmless (and #ifed out) macro definition
 */
fix = {
    hackname  = aix_sysmachine;
    files     = sys/machine.h;
    select    = "\\\\ +\n";
    c_fix     = format;
    c_fix_arg = "\\\n";
    test_text = "#define FOO \\\n"
    " bar \\ \n baz \\ \n bat";
};


/*
 *  sys/wait.h on AIX 3.2.5 puts the declaration of wait3 before the
 *  definition of struct rusage, so the prototype added by fixproto fails.
 */
fix = {
    hackname  = aix_syswait;
    files     = sys/wait.h;
    select    = "^extern pid_t wait3\\(\\);\n";
    select    = "bos325,";
    c_fix     = format;
    c_fix_arg = "struct rusage;\n%0";
    test_text = "/* bos325, */\n"
    "extern pid_t wait3();\n"
    "\t/* pid_t wait3(int *, int, struct rusage *); */";
};


/*
 *  sys/signal.h on some versions of AIX uses volatile in the typedef of
 *  sig_atomic_t, which causes gcc to generate a warning about duplicate
 *  volatile when a sig_atomic_t variable is declared volatile, as
 *  required by ANSI C.
 */
fix = {
    hackname  = aix_volatile;
    files     = sys/signal.h;
    select    = "typedef volatile int sig_atomic_t";
    c_fix     = format;
    c_fix_arg = "typedef int sig_atomic_t";
    test_text = "typedef volatile int sig_atomic_t;";
};


/*
 *  Fix __assert declaration in assert.h on Alpha OSF/1.
 */
fix = {
    hackname  = alpha___assert;
    files     = "assert.h";
    select    = '__assert\(char \*, char \*, int\)';
    c_fix     = format;
    c_fix_arg = "__assert(const char *, const char *, int)";
    test_text = 'extern void __assert(char *, char *, int);';
};


/*
 *  Obey __PRAGMA_EXTERN_PREFIX for Tru64 UNIX V5 <sys/stat.h>.
 */
fix = {
    hackname  = alpha___extern_prefix;
    files     = sys/stat.h;
    select    = "#[ \t]*if[ \t]*defined\\(__DECC\\)";

    mach      = "alpha*-dec-osf5*";
    c_fix     = format;
    c_fix_arg = "%0 || defined(__PRAGMA_EXTERN_PREFIX)";

    test_text = "#   if defined(__DECC)";
};


/*
 *  Fix assert macro in assert.h on Alpha OSF/1.
 *  The superfluous int cast breaks C++.
 */
fix = {
    hackname  = alpha_assert;
    files     = "assert.h";
    select    = '(#define assert\(EX\).*)\(\(int\) \(EX\)\)';
    c_fix     = format;
    c_fix_arg = "%1(EX)";
    test_text = '#define assert(EX) (((int) (EX)) ? (void)0 : __assert(#EX, __FILE__, __LINE__))';
};


/*
 *  Fix getopt declarations in stdio.h and stdlib.h on Alpha OSF/1 and AIX.
 */
fix = {
    hackname  = alpha_getopt;
    files     = "stdio.h";
    files     = "stdlib.h";
    select    = 'getopt\(int, char \*\[\], *char \*\)';
    c_fix     = format;
    c_fix_arg = "getopt(int, char *const[], const char *)";
    test_text = 'extern int getopt(int, char *[], char *);';
};


/*
 * Remove erroneous parentheses in sym.h on Alpha OSF/1.
 */
fix = {
    hackname  = alpha_parens;
    files     = sym.h;
    select    = '#ifndef\(__mips64\)';
    c_fix     = format;
    c_fix_arg = "#ifndef __mips64";
    test_text = "#ifndef(__mips64) /* bogus */\nextern int foo;\n#endif";
};


/*
 *  Fix return value of sbrk in unistd.h on Alpha OSF/1 V2.0
 */
fix = {
    hackname = alpha_sbrk;
    files    = unistd.h;
    select   = "char[ \t]*\\*[\t ]*sbrk[ \t]*\\(";
    c_fix     = format;
    c_fix_arg = "void *sbrk(";
    test_text = "extern char* sbrk(ptrdiff_t increment);";
};


/*
 *  For C++, avoid any typedef or macro definition of bool,
 *  and use the built in type instead.
 *  HP/UX 10.20 also has it in curses_colr/curses.h.
 */
fix = {
    hackname  = avoid_bool_define;
    files     = curses.h;
    files     = curses_colr/curses.h;
    files     = term.h;
    files     = tinfo.h;

    select    = "#[ \t]*define[ \t]+bool[ \t]";
    bypass    = "we must use the C\\+\\+ compiler's type";

    c_fix     = format;
    c_fix_arg = "#ifndef __cplusplus\n%0\n#endif";
    c_fix_arg = "^[ \t]*#[ \t]*define[ \t]+bool[ \t].*";

    test_text = "# define bool\t char \n";
};


fix = {
    hackname = avoid_bool_type;
    files    = curses.h;
    files    = curses_colr/curses.h;
    files    = term.h;
    files    = tinfo.h;

    select    = "^[ \t]*typedef[ \t].*[ \t]bool[ \t]*;";
    bypass    = "we must use the C\\+\\+ compiler's type";

    c_fix     = format;
    c_fix_arg = "#ifndef __cplusplus\n%0\n#endif";

    test_text = "typedef unsigned int\tbool \t; /* bool\n type */";
};


/*
 *  For C++, avoid any typedef definition of wchar_t,
 *  and use the built in type instead.
 */

fix = {
    hackname = avoid_wchar_t_type;

    select    = "^[ \t]*typedef[ \t].*[ \t]wchar_t[ \t]*;";

    c_fix     = format;
    c_fix_arg = "#ifndef __cplusplus\n%0\n#endif";

    test_text = "typedef unsigned short\twchar_t \t; /* wchar_t\n type */";
};


/*
 *  Fix #defines under Alpha OSF/1:
 *  The following files contain '#pragma extern_prefix "_FOO"' followed by
 *  a '#define something(x,y,z) _FOOsomething(x,y,z)'.  The intent of these
 *  statements is to reduce namespace pollution.  While these macros work
 *  properly in most cases, they don't allow you to take a pointer to the
 *  "something" being modified.  To get around this limitation, change these
 *  statements to be of the form '#define something _FOOsomething'.
 *
 *  sed ain't egrep, lesson 2463:  sed can use self-referential
 *  regular expressions.  In the substitute expression below,
 *  "\\1" and "\\2" refer to subexpressions found earlier in the
 *  same match.  So, we continue to use sed.  "extern_prefix" will
 *  be a rare match anyway...
 */
fix = {
    hackname = bad_lval;

    select   = "^[ \t]*#[ \t]*pragma[ \t]+extern_prefix";

    files    = libgen.h;
    files    = dirent.h;
    files    = ftw.h;
    files    = grp.h;
    files    = ndbm.h;
    files    = pthread.h;
    files    = pwd.h;
    files    = signal.h;
    files    = standards.h;
    files    = stdlib.h;
    files    = string.h;
    files    = stropts.h;
    files    = time.h;
    files    = unistd.h;

    sed      =
        "s/^[ \t]*#[ \t]*define[ \t][ \t]*\\([^(]*\\)\\(([^)]*)\\)[ \t]*"
               "\\(_.*\\)\\1\\2[ \t]*$/#define \\1 \\3\\1/";

    test_text = '#pragma extern_prefix "_FOO"'"\n"
                "#define something(x,y,z) _FOOsomething(x,y,z)\n"
                "#define mumble _FOOmumble";
};


/*
 *  Fix `typedef struct term;' on hppa1.1-hp-hpux9.
 */
fix = {
    hackname  = bad_struct_term;
    files     = curses.h;
    select    = "^[ \t]*typedef[ \t]+struct[ \t]+term[ \t]*;";
    c_fix     = format;
    c_fix_arg = "struct term;";

    test_text = 'typedef struct term;';
};


/*
 *  Fix one other error in this file:
 *  a mismatched quote not inside a C comment.
 */
fix = {
    hackname  = badquote;
    files     = sundev/vuid_event.h;
    select    = "doesn't";
    c_fix     = format;
    c_fix_arg = "does not";

    test_text = "/* doesn't have matched single quotes */";
};


/*
 *  check for broken assert.h that needs stdio.h
 */
fix = {
    hackname  = broken_assert_stdio;
    files     = assert.h;
    select    = stderr;
    bypass    = "include.*stdio\\.h";
    c_fix     = wrap;
    c_fix_arg = "#include <stdio.h>\n";
    test_text = "extern FILE* stderr;";
};


/*
 *  check for broken assert.h that needs stdlib.h
 */
fix = {
    hackname  = broken_assert_stdlib;
    files     = assert.h;
    select    = 'exit *\(|abort *\(';
    bypass    = "include.*stdlib\\.h";
    c_fix     = wrap;
    c_fix_arg = "#ifdef __cplusplus\n"
                "#include <stdlib.h>\n"
                "#endif\n";
    test_text = "extern void exit ( int );";
};


/*
 *  Remove `extern double cabs' declarations from math.h.
 *  This conflicts with C99.  Discovered on AIX.
 *  SunOS4 has its cabs() declaration followed by a comment which
 *  terminates on the following line.
 */
fix = {
    hackname = broken_cabs;
    files  = "math.h";
    select = '^extern[ \t]+double[ \t]+cabs';

    c_fix     = format;
    c_fix_arg = "";
    c_fix_arg = "^extern[ \t]+double[ \t]+cabs\\((struct dbl_hypot|)\\);";

    test_text = "#ifdef __STDC__\n"
                "extern     double   cabs(struct dbl_hypot);\n"
                "#else\n"
                "extern     double   cabs();\n"
                "#endif\n"
                "extern double cabs(); /* This is a comment\n"
                "                         and it ends here. */";
};


/*
 *  Fix various macros used to define ioctl numbers.
 *  The traditional syntax was:
 *
 *    #define _CTRL(n, x) (('n'<<8)+x)
 *    #define TCTRLCFOO _CTRL(T, 1)
 *
 *  but this does not work with the C standard, which disallows macro
 *  expansion inside strings.  We have to rewrite it thus:
 *
 *    #define _CTRL(n, x) ((n<<8)+x)
 *    #define TCTRLCFOO  _CTRL('T', 1)
 *
 *  The select expressions match too much, but the c_fix code is cautious.
 *
 *  CTRL might be: CTRL _CTRL ISCTRL BSD43_CTRL ...
 */
fix = {
    hackname  = ctrl_quotes_def;
    select    = "define[ \t]+[A-Z0-9_]+CTRL\\([a-zA-Z][,)]";
    c_fix     = char_macro_def;
    c_fix_arg = "CTRL";

    /*
     *  This is two tests in order to ensure that the "CTRL(c)" can
     *  be selected in isolation from the multi-arg format
     */
    test_text = "#define BSD43_CTRL(n, x) (('n'<<8)+x)\n";
    test_text = "#define _CTRL(c) ('c'&037)";
};

fix = {
    hackname  = ctrl_quotes_use;
    select    = "define[ \t]+[A-Z0-9_]+[ \t]+[A-Z0-9_]+CTRL[ \t]*\\( *[^,']";
    c_fix     = char_macro_use;
    c_fix_arg = "CTRL";
    test_text = "#define TCTRLFOO BSD43_CTRL(T, 1)";
};


/*
 *  sys/mman.h on HP/UX is not C++ ready,
 *  even though NO_IMPLICIT_EXTERN_C is defined on HP/UX.
 *
 *  rpc/types.h on OSF1/2.0 is not C++ ready,
 *  even though NO_IMPLICIT_EXTERN_C is defined for the alpha.
 *
 *  The problem is the declaration of malloc.
 */
fix = {
    hackname = cxx_unready;
    files    = sys/mman.h;
    files    = rpc/types.h;
    select   = '[^#]+malloc.*;';  /* Catch any form of declaration
                                     not within a macro.  */
    bypass   = '"C"|__BEGIN_DECLS';

    c_fix     = wrap;
    c_fix_arg = "#ifdef __cplusplus\n"
                "extern \"C\" {\n"
                "#endif\n";
    c_fix_arg = "#ifdef __cplusplus\n"
                "}\n"
                "#endif\n";
    test_text = "extern void* malloc( size_t );";
};


/*
 *  Fix <c_asm.h> on Digital UNIX V4.0:
 *  It contains a prototype for a DEC C internal asm() function,
 *  clashing with gcc's asm keyword.  So protect this with __DECC.
 */
fix = {
    hackname = dec_intern_asm;
    files    = c_asm.h;
    sed = "/^[ \t]*float[ \t]*fasm/i\\\n#ifdef __DECC\n";
    sed = "/^[ \t]*#[ \t]*pragma[ \t]*intrinsic([ \t]*dasm/a\\\n"
          "#endif\n";
    test_text =
    "float fasm {\n"
    "    ... asm stuff ...\n"
    "};\n#pragma intrinsic( dasm )\n/* END ASM TEST*/";
};


/*
 * Fix typo in <wchar.h> on DJGPP 2.03.
 */
fix = {
    hackname  = djgpp_wchar_h;
    file      = wchar.h;
    select    = "__DJ_wint_t";
    bypass    = "sys/djtypes.h";
    c_fix     = format;
    c_fix_arg = "%0\n#include <sys/djtypes.h>";
    c_fix_arg = "#include <stddef.h>";
    test_text = "#include <stddef.h>\n"
                "extern __DJ_wint_t x;\n";
};


/*
 * Fix these Sun OS files to avoid an invalid identifier in an #ifdef.
 */
fix = {
    hackname  = ecd_cursor;
    files     = "sunwindow/win_lock.h";
    files     = "sunwindow/win_cursor.h";
    select    = 'ecd\.cursor';
    c_fix     = format;
    c_fix_arg = 'ecd_cursor';

    test_text = "#ifdef ecd.cursor\n#error bogus\n#endif /* ecd+cursor */";
};


/*
 *  Between 8/24/1998 and 2/17/2001, FreeBSD system headers presume
 *  neither the existence of GCC 3 nor its exact feature set yet break
 *  (by design?) when __GNUC__ is set beyond 2.
 */
fix = {
    hackname  = freebsd_gcc3_breakage;
    mach      = *-*-freebsd*;
    files     = sys/cdefs.h;
    select    = '^#if __GNUC__ == 2 && __GNUC_MINOR__ >= 7$';
    bypass    = '__GNUC__[ \t]*([>=]=[ \t]*[3-9]|>[ \t]*2)';
    c_fix     = format;
    c_fix_arg = '%0 || __GNUC__ >= 3';
    test_text = '#if __GNUC__ == 2 && __GNUC_MINOR__ >= 7';
};


/*
 * Fix these files to use the same types that we think they should.
 */
fix = {
    hackname  = gnu_types;
    files  = "sys/types.h";
    files  = "stdlib.h";
    files  = "sys/stdtypes.h";
    files  = "stddef.h";
    files  = "memory.h";
    files  = "unistd.h";
    bypass    = '_GCC_(PTRDIFF|SIZE|WCHAR)_T';
    select    = "^[ \t]*typedef[ \t]+.*[ \t](ptrdiff|size|wchar)_t;";
    c_fix     = gnu_type;

    test_text = "typedef long int ptrdiff_t; /* long int */\n"
                "typedef uint_t size_t; /* uint_t */\n"
                "typedef ushort_t wchar_t; /* ushort_t */";
};


/*
 *  Fix HP & Sony's use of "../machine/xxx.h"
 *  to refer to:  <machine/xxx.h>
 */
fix = {
    hackname  = hp_inline;
    files     = sys/spinlock.h;
    files     = machine/machparam.h;
    select    = "[ \t]*#[ \t]*include[ \t]+"  '"\.\./machine/';

    c_fix     = format;
    c_fix_arg = "%1<machine/%2.h>";

    c_fix_arg = "([ \t]*#[ \t]*include[ \t]+)"  '"\.\./machine/'
                '([a-z]+)\.h"';

    test_text = ' # include "../machine/mumble.h"';
};


/*
 *  Check for (...) in C++ code in HP/UX sys/file.h.
 */
fix = {
    hackname  = hp_sysfile;
    files     = sys/file.h;
    select    = "HPUX_SOURCE";

    c_fix     = format;
    c_fix_arg = "(struct file *, ...)";
    c_fix_arg = '\(\.\.\.\)';

    test_text = "extern void foo(...); /* HPUX_SOURCE - bad varargs */";
};


/*
 * Delete C++ double pow (double, int) inline function from HP-UX 10 & 11
 * math.h to prevent clash with define in c_std/bits/std_cmath.h.
 */
fix = {
    hackname  = hpux10_cpp_pow_inline;
    files     = fixinc-test-limits.h, math.h;
    select    = <<-     END_POW_INLINE
        ^# +ifdef +__cplusplus
         +}
         +inline +double +pow\(double +__d,int +__expon\) +{
        [       ]+return +pow\(__d,\(double\)__expon\);
         +}
         +extern +"C" +{
        #else
        # +endif
        END_POW_INLINE;
 
    c_fix     = format;
    c_fix_arg = "";

    test_text =
        "#    ifdef __cplusplus\n"
        "     }\n"
        "     inline double pow(double __d,int __expon) {\n"
        "\t return pow(__d,(double)__expon);\n"
        "     }\n"
        '     extern "C"' " {\n"
        "#else\n"
        "#    endif";
};

fix = {
     hackname  = hpux11_cpp_pow_inline;
     files     = math.h;
     select    = " +inline double pow\\(double d,int expon\\) {\n"
                 " +return pow\\(d, \\(double\\)expon\\);\n"
                 " +}\n";
     c_fix     = format;
     c_fix_arg = "";

     test_text =
            "   inline double pow(double d,int expon) {\n"
            "     return pow(d, (double)expon);\n"
            "   }\n";
};


/*
 *  Fix hpux 10.X missing ctype declarations 1
 */
fix = {
    hackname = hpux10_ctype_declarations1;
    files    = ctype.h;
    select   = "^#[ \t]*define _toupper\\(__c\\)[ \t]*__toupper\\(__c\\)";
    bypass   = "^[ \t]*extern[ \t]*int[ \t]*__tolower[ \t]*\\(";
    c_fix     = format;
    c_fix_arg = "#ifdef _PROTOTYPES\n"
                "extern int __tolower(int);\n"
                "extern int __toupper(int);\n"
                "#else /* NOT _PROTOTYPES */\n"
                "extern int __tolower();\n"
                "extern int __toupper();\n"
                "#endif /* _PROTOTYPES */\n\n"
                "%0\n";

    test_text = "#  define _toupper(__c)         __toupper(__c)\n";
};


/*
 *  Fix hpux 10.X missing ctype declarations 2
 */
fix = {
    hackname = hpux10_ctype_declarations2;
    files    = ctype.h;
    select   = "^#  if defined\\(_SB_CTYPE_MACROS\\) && \\!defined\\(__lint\\)";
    bypass   = "^[ \t]*extern[ \t]*int[ \t]*_isalnum[ \t]*\\(";
    c_fix     = format;
    c_fix_arg = "%0\n\n"
                "#ifdef _PROTOTYPES\n"
                "     extern int _isalnum(int);\n"
                "     extern int _isalpha(int);\n"
                "     extern int _iscntrl(int);\n"
                "     extern int _isdigit(int);\n"
                "     extern int _isgraph(int);\n"
                "     extern int _islower(int);\n"
                "     extern int _isprint(int);\n"
                "     extern int _ispunct(int);\n"
                "     extern int _isspace(int);\n"
                "     extern int _isupper(int);\n"
                "     extern int _isxdigit(int);\n"
                "#  else /* not _PROTOTYPES */\n"
                "     extern int _isalnum();\n"
                "     extern int _isalpha();\n"
                "     extern int _iscntrl();\n"
                "     extern int _isdigit();\n"
                "     extern int _isgraph();\n"
                "     extern int _islower();\n"
                "     extern int _isprint();\n"
                "     extern int _ispunct();\n"
                "     extern int _isspace();\n"
                "     extern int _isupper();\n"
                "     extern int _isxdigit();\n"
                "#endif /* _PROTOTYPES */\n";

    test_text = "#  if defined(_SB_CTYPE_MACROS) && !defined(__lint)\n"
                "     extern unsigned int *__SB_masks;\n";
};


/*
 *  Make sure hpux defines abs in header.
 */
fix = {
    hackname  = hpux11_abs;
    mach      = ia64-hp-hpux11*;
    files     = stdlib.h;
    select    = "ifndef _MATH_INCLUDED";
    c_fix     = format;
    c_fix_arg = "if !defined(_MATH_INCLUDED) || defined(__GNUG__)";
//  sed       = "s/ifndef _MATH_INCLUDED/if !defined(_MATH_INCLUDED) || defined(__GNUG__)/";
    test_text = "#ifndef _MATH_INCLUDED";
};


/*
 *  Keep HP-UX 11 from stomping on C++ math namespace
 *  with defines for fabsf.
 */
fix = {
    hackname  = hpux11_fabsf;
    files     = math.h;
    select    = "^[ \t]*#[ \t]*define[ \t]+fabsf\\(.*";
    bypass    = "__cplusplus";

    c_fix     = format;
    c_fix_arg = "#ifndef __cplusplus\n%0\n#endif";

    test_text =
    "#ifdef _PA_RISC\n"
    "#  define fabsf(x) ((float)fabs((double)(float)(x)))\n"
    "#endif";
};


/*
 * Prevent HP-UX 11 from defining __size_t and preventing size_t from
 * being defined by having it define _hpux_size_t instead.
 */
fix = {
    hackname  = hpux11_size_t;
    mach      = "*-hp-hpux11*";
    select    = "__size_t";

    c_fix     = format;
    c_fix_arg = "_hpux_size_t";

    test_text =
    "#define __size_t size_t\n"
    "       extern int getpwuid_r( char *, __size_t, struct passwd **);\n";
};


/*
 * In inttypes.h on HPUX 11, the use of __CONCAT__ in the definition
 * of UINT32_C has undefined behavior according to ISO/ANSI:
 * the arguments to __CONCAT__ are not macro expanded before the
 * concatination happens so the trailing ')' in the first argument
 * is concatinated with the 'l' in the second argument creating an
 * invalid pp token.  The behavior of invalid pp tokens is undefined.
 * GCC does not handle these invalid tokens the way the HP compiler does.
 * This problem will potentially occur anytime macros are used in the
 * arguments to __CONCAT__.  A general solution to this problem would be to
 * insert another layer of macro between __CONCAT__ and its use
 * in UINT32_C.  An example of this solution can be found in the C standard.
 * A more specific solution, the one used here, is to change the UINT32_C
 * macro to not used macros in the arguments to __CONCAT__.
 */
fix = {
    hackname = hpux11_uint32_c;
    files    = inttypes.h;
    select   = "^#define UINT32_C\\(__c\\)[ \t]*"
                         "__CONCAT__\\(__CONCAT_U__\\(__c\\),l\\)";
    c_fix    = format;
    c_fix_arg = '#define UINT32_C(__c) __CONCAT__(__c,ul)';
    test_text =
    "#define CONCAT_U__(__c)\t__CONCAT__(__c,u)\n"
    "#define UINT32_C(__c)\t__CONCAT__(__CONCAT_U__(__c),l)";
};


/*
 *  Fix hpux 11.00 broken vsnprintf declaration
 */
fix = {
    hackname = hpux11_vsnprintf;
    files    = stdio.h;
    select   = '(extern int vsnprintf\(char \*, _[hpux]*_size_t, '
                                     'const char \*,) __va__list\);';
    c_fix     = format;
    c_fix_arg = "%1 __va_list);";

    test_text = 'extern int vsnprintf(char *, _hpux_size_t, const char *,'
                                     ' __va__list);';
};


/*
 *  get rid of bogus inline definitions in HP-UX 8.0
 */
fix = {
    hackname = hpux8_bogus_inlines;
    files    = math.h;
    select   = inline;
    sed = "s@inline int abs(int [a-z][a-z]*) {.*}"
           "@extern \"C\" int abs(int);@";
    sed = "s@inline double abs(double [a-z][a-z]*) {.*}@@";
    sed = "s@inline int sqr(int [a-z][a-z]*) {.*}@@";
    sed = "s@inline double sqr(double [a-z][a-z]*) {.*}@@";
    test_text = "inline int abs(int v) { return (v>=0)?v:-v; }\n"
                "inline double sqr(double v) { return v**0.5; }";
};


/*
 *  Fix hpux broken ctype macros
 */
fix = {
    hackname = hpux_ctype_macros;
    files    = ctype.h;
    select   = '((: |\()__SB_masks \? )'
               '(__SB_masks\[__(alnum|c)\] & _IS)';
    c_fix     = format;
    c_fix_arg = "%1(int)%3";

    test_text = ": __SB_masks ? __SB_masks[__alnum] & _ISCNTRL\n"
                "# define isalpha(__c) (__SB_masks ? __SB_masks[__c] & _IS\n";
};


/*
 * HP-UX long_double
 */
fix = {
    hackname  = hpux_long_double;
    files     = stdlib.h;
    select    = "extern[ \t]long_double[ \t]strtold";
    bypass    = "long_double_t";
    sed       = "/^#[ \t]*ifndef _LONG_DOUBLE/,/\\/\\* _LONG_DOUBLE \\*\\//D";
    sed       = "s/long_double/long double/g";

    test_text = "#  ifndef _LONG_DOUBLE\n"
                "#    define _LONG_DOUBLE\n"
                "     typedef struct {\n"
                "       unsigned int word1, word2, word3, word4;\n"
                "     } long_double;\n"
                "#  endif /* _LONG_DOUBLE */\n"
                "extern long_double strtold(const char *, char **);\n";
};


/*
 *  HPUX 10.x sys/param.h defines MAXINT which clashes with values.h
 */
fix = {
    hackname  = hpux_maxint;
    files     = sys/param.h;
    files     = values.h;
    select    = "^#[ \t]*define[ \t]+MAXINT[ \t]";
    bypass    = "^#[ \t]*ifndef[ \t]+MAXINT";
    test =
    "-n \"`egrep '#[ \t]*define[ \t]+MAXINT[ \t]' sys/param.h`\"";

    c_fix     = format;
    c_fix_arg = "#ifndef MAXINT\n%0\n#endif";
    c_fix_arg = "^#[ \t]*define[ \t]+MAXINT[ \t].*";

    test_text = '#define MAXINT 0x7FFFFFFF';
};


/*
 *  Fix hpux10.20 <sys/time.h> to avoid invalid forward decl
 */
fix = {
    hackname = hpux_systime;
    files    = sys/time.h;
    select   = "^extern struct sigevent;";

    c_fix     = format;
    c_fix_arg = "struct sigevent;";

    test_text = 'extern struct sigevent;';
};


/*
 *  Fix return type of abort and free
 */
fix = {
    hackname  = int_abort_free_and_exit;
    files     = stdlib.h;
    select    = "int[ \t]+(abort|free|exit)[ \t]*\\(";

    c_fix     = format;
    c_fix_arg = "void\t%1(";

    test_text = "extern int abort(int);\n"
                "extern int free(void*);\n"
                "extern int exit(void*);";
};


/*
 *  Fix various macros used to define ioctl numbers.
 *  The traditional syntax was:
 *
 *    #define _IO(n, x) (('n'<<8)+x)
 *    #define TIOCFOO _IO(T, 1)
 *
 *  but this does not work with the C standard, which disallows macro
 *  expansion inside strings.  We have to rewrite it thus:
 *
 *    #define _IO(n, x) ((n<<8)+x)
 *    #define TIOCFOO  _IO('T', 1)
 *
 *  The select expressions match too much, but the c_fix code is cautious.
 *
 *  _IO might be: _IO DESIO BSD43__IO with W, R, WR, C, ... suffixes.
 */
fix = {
    hackname  = io_quotes_def;
    select    = "define[ \t]+[A-Z0-9_]+IO[A-Z]*\\([a-zA-Z][,)]";
    c_fix     = char_macro_def;
    c_fix_arg = "IO";
    test_text =
    "#define BSD43__IOWR(n, x) (('n'<<8)+x)\n"
    "#define _IOWN(x,y,t)  (_IOC_IN|(((t)&_IOCPARM_MASK)<<16)|('x'<<8)|y)\n"
    "#define _IO(x,y)      ('x'<<8|y)";
    test_text =
    "#define XX_IO(x)        ('x'<<8|256)";
};

fix = {
    hackname  = io_quotes_use;
    select    = "define[ \t]+[A-Z0-9_]+[ \t]+[A-Z0-9_]+IO[A-Z]*[ \t]*"
                "\\( *[^,']";
    c_fix     = char_macro_use;
    c_fix_arg = "IO";
    test_text = "#define TIOCFOO BSD43__IOWR(T, 1)\n"
                "#define TIOCFOO \\\\\n"
                "BSD43__IOWR(T, 1) /* Some are multi-line */";
};


/*
 *  Check for missing ';' in struct
 */
fix = {
    hackname = ip_missing_semi;
    files    = netinet/ip.h;
    select   = "}$";
    sed      = "/^struct/,/^};/s/}$/};/";
    test_text=
    "struct mumble {\n"
    "  union {\n"
    "    int x;\n"
    "  }\n"
    "}; /* mumbled struct */\n";
};


/*
 *  IRIX 5.2's <sys/asm.h> contains an asm comment with a contraction
 *  that causes the assembly preprocessor to complain about an
 *  unterminated character constant.
 */
fix = {
    hackname  = irix_asm_apostrophe;
    files     = sys/asm.h;

    select    = "^[ \t]*#.*[Ww]e're";
    c_fix     = format;
    c_fix_arg = "%1 are";
    c_fix_arg = "^([ \t]*#.*[Ww]e)'re";
    test_text = "\t# and we're on vacation";
};


/*
 *  Non-traditional "const" declaration in Irix's limits.h.
 */
fix = {
    hackname    = irix_limits_const;
    files       = fixinc-test-limits.h, limits.h;
    select      = "^extern const ";
    c_fix       = format;
    c_fix_arg   = "extern __const ";
    test_text   = "extern const char limit; /* test limits */";
};


/*
 *  IRIX 6.5.1[89] <internal/sgimacros.h> unconditionally defines
 *  __restrict as restrict iff __c99.  This is wrong for C++, which
 *  needs many C99 features, but only supports __restrict.
 */
fix = {
    hackname  = irix___restrict;
    files     = internal/sgimacros.h;
    select    = "(#ifdef __c99\n)(#[ \t]*define __restrict restrict)";

    mach      = "mips-sgi-irix6.5";
    c_fix     = format;
    c_fix_arg = "%1"
                "#  ifndef __cplusplus\n%2\n#  endif";

    test_text = "#ifdef __c99\n#  define __restrict restrict";
};

/*
 *  IRIX 6.5.1[78] <sys/socket.h> has a broken definition of socklen_t.
 *  Various socket function prototypes use different types instead,
 *  depending on the API in use (BSD, XPG4/5), but the socklen_t
 *  definition doesn't reflect this (SGI Bug Id 864477, fixed in
 *  IRIX 6.5.19).
 */
fix = {
    hackname  = irix_socklen_t;
    files     = sys/socket.h;
    select    = "(#define _SOCKLEN_T\n)(typedef u_int32_t socklen_t;)";

    mach      = "mips-sgi-irix6.5";
    c_fix     = format;
    c_fix_arg = "%1"
                "#if _NO_XOPEN4 && _NO_XOPEN5\n"
                "typedef int socklen_t;\n"
                "#else\n"
                "%2\n"
                "#endif /* _NO_XOPEN4 && _NO_XOPEN5 */";

    test_text = "#define _SOCKLEN_T\ntypedef u_int32_t socklen_t;";
};

/*
 *  IRIX 5.x's stdio.h declares some functions that take a va_list as
 *  taking char *.  However, GCC uses void * for va_list, so
 *  calling vfprintf with a va_list fails in C++.  */
fix = {
    hackname  = irix_stdio_va_list;
    files     = stdio.h;

    select = '(printf\(.*), /\* va_list \*/ char \*';
    c_fix  = format;
    c_fix_arg = "%1, __gnuc_va_list";
    test_text =
    "extern int printf( const char *, /* va_list */ char * );";
};


/*
 *  IRIX 6.5.19 <internal/wchar_core.h> provides the XPG4 variant of
 *  wcsftime by default.  ISO C99 requires the XPG5 variant instead.
 */
fix = {
    hackname  = irix_wcsftime;
    files     = internal/wchar_core.h;
    select    = "#if _NO_XOPEN5\n(extern size_t[ \t]+wcsftime.*const char \*.*)";

    mach      = "mips-sgi-irix6.5";
    c_fix     = format;
    c_fix_arg = "#if _NO_XOPEN5 && !defined(__c99)\n%1";

    test_text = "#if _NO_XOPEN5\n"
                "extern size_t          wcsftime(wchar_t *, __SGI_LIBC_NAMESPACE_QUALIFIER size_t, const char *, const struct tm *);";
};

/*
 * Fixing ISC fmod declaration
 */
fix = {
    hackname  = isc_fmod;
    files     = math.h;
    select    = 'fmod\(double\)';
    c_fix     = format;
    c_fix_arg = "fmod(double, double)";
    test_text = "extern double  fmod(double);";
};


/*
 *  On Interactive Unix 2.2, certain traditional Unix definitions
 *  (notably getc and putc in stdio.h) are omitted if __STDC__ is
 *  defined, not just if _POSIX_SOURCE is defined.  This makes it
 *  impossible to compile any nontrivial program except with -posix.
 */
fix = {
    hackname = isc_omits_with_stdc;

    files     = "stdio.h";
    files     = "math.h";
    files     = "ctype.h";
    files     = "sys/limits.h";
    files     = "sys/fcntl.h";
    files     = "sys/dirent.h";

    select    = '!defined\(__STDC__\) && !defined\(_POSIX_SOURCE\)';
    c_fix     = format;
    c_fix_arg = '!defined(_POSIX_SOURCE)';
    test_text = "#if !defined(__STDC__) && !defined(_POSIX_SOURCE) /* ? ! */"
                "\nint foo;\n#endif";
};


/*
 * These files in Sun OS 4.x and ARM/RISCiX and BSD4.3
 * use / * * / to concatenate tokens.
 */
fix = {
    hackname = kandr_concat;
    files  = "sparc/asm_linkage.h";
    files  = "sun3/asm_linkage.h";
    files  = "sun3x/asm_linkage.h";
    files  = "sun4/asm_linkage.h";
    files  = "sun4c/asm_linkage.h";
    files  = "sun4m/asm_linkage.h";
    files  = "sun4c/debug/asm_linkage.h";
    files  = "sun4m/debug/asm_linkage.h";
    files  = "arm/as_support.h";
    files  = "arm/mc_type.h";
    files  = "arm/xcb.h";
    files  = "dev/chardefmac.h";
    files  = "dev/ps_irq.h";
    files  = "dev/screen.h";
    files  = "dev/scsi.h";
    files  = "sys/tty.h";
    files  = "Xm.acorn/XmP.h";
    files  = bsd43/bsd43_.h;
    select = '/\*\*/';
    c_fix     = format;
    c_fix_arg = '##';
    test_text = "#define __CONCAT__(a,b) a/**/b";
};


/*
 *  Fix libc1 _G_va_list definition, used in declarations of several
 *  more-or-less standard functions, for example vasprintf.
 */
fix = {
    hackname = libc1_G_va_list;
    files    = _G_config.h;
    mach     = '*-*-linux*libc1';
    select   = 'typedef void \* _G_va_list;';
    c_fix     = format;
    c_fix_arg = "typedef __builtin_va_list _G_va_list;";
    test_text = 'typedef void * _G_va_list;';
};


/*
 *  GNU libc1 string.h does not prototype memcpy and memcmp for gcc
 *  versions > 1.  This fix will open up the declaration for all
 *  versions of GCC and for g++.
 */
fix = {
    hackname  = libc1_ifdefd_memx;

    /* The string.h result is overwritten by AAB_ultrix_string when doing
       "make check" and will fail.  Therefore, we add the following kludgery
       to insert the test_text into the special testing header.  :-}  */
    files     = testing.h;
    files     = string.h;

    c_fix     = format;
    select    = "' is a built-in function for gcc 2\\.x\\. \\*/";
    bypass    = __cplusplus;
    c_fix_arg = "%1";
    c_fix_arg =
       '/\* `mem...\' is a built-in function for gcc 2\.x\. \*/' "\n"
       '#if defined\(__STDC__\) && __GNUC__ < 2'                 "\n"
       "(/\\* .* \\*/\n"
       "extern [a-z_]+ mem.*(\n[^#].*)*;)\n"
       "#endif";

    test_text =
    "/* \\`memcpy' is a built-in function for gcc 2.x. */\n"
    "#if defined(__STDC__) && __GNUC__ < 2\n"
    "/* Copy N bytes of SRC to DEST.  */\n"
    "extern __ptr_t memcpy __P ((__ptr_t __dest, __const __ptr_t __src,\n"
    "                         size_t __n));\n"
    "#endif";
};


/*
 *  In limits.h, put #ifndefs around things that are supposed to be defined
 *  in float.h to avoid redefinition errors if float.h is included first.
 *  On HP/UX this patch does not work, because on HP/UX limits.h uses
 *  multi line comments and the inserted #endif winds up inside the
 *  comment.  Fortunately, HP/UX already uses #ifndefs in limits.h; if
 *  we find a #ifndef FLT_MIN we assume that all the required #ifndefs
 *  are there, and we do not add them ourselves.
 *
 *  QNX Software Systems also guards the defines, but doesn't define
 *  FLT_MIN.  Therefore, bypass the fix for *either* guarded FLT_MIN
 *  or guarded FLT_MAX.
 */
fix = {
    hackname = limits_ifndefs;
    files  = "sys/limits.h";
    files  = "limits.h";
    bypass = "ifndef[ \t]+FLT_(MIN|MAX)";

    c_fix     = format;
    c_fix_arg = "#ifndef %1\n%0\n#endif";
    c_fix_arg = "^[ \t]*#[ \t]*define[ \t]+"
                "((FLT|DBL)_(MIN|MAX|DIG))[ \t].*";
    test_text = " #\tdefine\tDBL_DIG \t 0  /* somthin' */";
};


/*
 *  Delete the '#define void int' line from curses.h on Lynx
 */
fix = {
    hackname  = lynx_void_int;
    files     = curses.h;
    select    = "#[ \t]*define[ \t]+void[ \t]+int[ \t]*";
    c_fix     = format;
    c_fix_arg = "";
    test_text = "# define\tvoid\tint \t/* curses foiled again */";
};


/*
 *  Fix fcntl prototype in fcntl.h on LynxOS.
 */
fix = {
    hackname  = lynxos_fcntl_proto;
    files     = fcntl.h;
    select    = "fcntl[ \t]*" '\(int, int, int\)';
    c_fix     = format;
    c_fix_arg = '%1...)';
    c_fix_arg = "(fcntl[ \t]*" '\(int, int, )int\)';
    test_text = "extern int fcntl(int, int, int);";
};


/*
 * Fix BSD machine/ansi.h to use __builtin_va_list to define _BSD_VA_LIST_.
 *
 * On NetBSD, machine is a symbolic link to an architecture specific
 * directory name, so we can't match a specific file name here.
 */
fix = {
    hackname = machine_ansi_h_va_list;
    select   = "define[ \t]+_BSD_VA_LIST_[ \t]";
    bypass   = '__builtin_va_list';

    c_fix     = format;
    c_fix_arg = "%1__builtin_va_list";
    c_fix_arg = "(define[ \t]+_BSD_VA_LIST_[ \t]+).*";

    test_text = " # define _BSD_VA_LIST_\tchar**";
};


/*
 *  Fix non-ansi machine name defines
 */
fix = {
    hackname  = machine_name;
    c_test    = machine_name;
    c_fix     = machine_name;

    test_text = "/* MACH_DIFF: */\n"
    "#if defined( i386 ) || defined( sparc ) || defined( vax )"
    "\n/* no uniform test, so be careful  :-) */";
};


/*
 *  Some math.h files define struct exception, which conflicts with
 *  the class exception defined in the C++ file std/stdexcept.h.  We
 *  redefine it to __math_exception.  This is not a great fix, but I
 *  haven't been able to think of anything better.
 *  Note that we have to put the #ifdef/#endif blocks at beginning
 *  and end of file, because fixproto runs after us and may insert
 *  additional references to struct exception.
 */
fix = {
    hackname  = math_exception;
    files     = math.h;
    select    = "struct exception";
    bypass    = 'We have a problem when using C\+\+';
    c_fix     = wrap;

    c_fix_arg = "#ifdef __cplusplus\n"
                "#define exception __math_exception\n"
                "#endif\n";

    c_fix_arg = "#ifdef __cplusplus\n"
                "#undef exception\n"
                "#endif\n";

    test_text = "typedef struct exception t_math_exception;";
};


/*
 *  This looks pretty broken to me.  ``dbl_max_def'' will contain
 *  "define DBL_MAX " at the start, when what we really want is just
 *  the value portion.  Can't figure out how to write a test case
 *  for this either  :-(
 */
fix = {
    hackname = math_huge_val_from_dbl_max;
    files    = math.h;

    /*
     * IF HUGE_VAL is defined to be DBL_MAX *and* DBL_MAX is _not_ defined
     * in math.h, this fix applies.
     */
    select   = "define[ \t]+HUGE_VAL[ \t]+DBL_MAX";
    bypass   = "define[ \t]+DBL_MAX";

    shell    =
    /*
     *  See if we have a definition for DBL_MAX in float.h.
     *  If we do, we will replace the one in math.h with that one.
     */

    "\tdbl_max_def=`egrep 'define[ \t]+DBL_MAX[ \t]+.*' float.h "
                   "| sed 's/.*DBL_MAX[ \t]*//' 2>/dev/null`\n\n"

    "\tif ( test -n \"${dbl_max_def}\" ) > /dev/null 2>&1\n"
    "\tthen sed -e '/define[ \t]*HUGE_VAL[ \t]*DBL_MAX/"
                        "s@DBL_MAX@'\"$dbl_max_def@\"\n"
    "\telse cat\n"
    "\tfi";

    test_text =
    "`echo '#define DBL_MAX\t3.1415e+9 /* really big */' >> float.h`\n"
    "#define HUGE_VAL DBL_MAX";
};


/*
 * In any case, put #ifndef .. #endif around #define HUGE_VAL in math.h.
 */
fix = {
    hackname = math_huge_val_ifndef;
    files    = math.h;
    files    = math/math.h;
    select   = "define[ \t]+HUGE_VAL";

    c_fix     = format;
    c_fix_arg = "#ifndef HUGE_VAL\n%0\n#endif";
    c_fix_arg = "^[ \t]*#[ \t]*define[ \t]+HUGE_VAL[ \t].*";

    test_text = "# define\tHUGE_VAL 3.4e+40";
};


/*
 *  nested comment
 */
fix = {
    hackname  = nested_auth_des;
    files     = rpc/rpc.h;
    select    = '(/\*.*rpc/auth_des\.h>.*)/\*';
    c_fix     = format;
    c_fix_arg = "%1*/ /*";
    test_text = "/*#include <rpc/auth_des.h> /* skip this */";
};


/*
 * Fix nested comments in Motorola's <limits.h> and <sys/limits.h>
 */
fix = {
    hackname = nested_motorola;
    mach     = "m68k-motorola-sysv*";
    files    = sys/limits.h;
    files    = limits.h;
    select   = "max # bytes atomic in write|error value returned by Math lib";

    sed = "s@^\\(#undef[ \t][ \t]*PIPE_BUF[ \t]*"
                   "/\\* max # bytes atomic in write to a\\)$@\\1 */@";
    sed = "s@\\(/\\*#define\tHUGE_VAL\t3.[0-9e+]* \\)"
          "\\(/\\*error value returned by Math lib\\*/\\)$@\\1*/ \\2@";

    test_text =
    "#undef PIPE_BUF /* max # bytes atomic in write to a\n"
    "\t\t/* PIPE */\n"
    "/*#define\tHUGE_VAL\t3.9e+9 /*error value returned by Math lib*/";
};


/*
 * Fixing nested comments in ISC <sys/limits.h>
 */
fix = {
    hackname = nested_sys_limits;
    files  = sys/limits.h;
    select = CHILD_MAX;
    sed    = "/CHILD_MAX/s,/\\* Max, Max,";
    sed    = "/OPEN_MAX/s,/\\* Max, Max,";
    test_text = "/*\n#define CHILD_MAX 20 /* Max, Max, ... */ /*\n"
                "#define OPEN_MAX  20 /* Max, Max, ... */\n";
};


/*
 * NetBSD has a semicolon after the ending '}' for some extern "C".
 */
fix = {
    hackname  = netbsd_extra_semicolon;
    mach      = *-*-netbsd*;
    files     = sys/cdefs.h;
    select    = "#define[ \t]*__END_DECLS[ \t]*};";

    c_fix     = format;
    c_fix_arg = "#define __END_DECLS }";

    test_text = "#define __END_DECLS };";
};


/*
 *  NeXT 3.2 adds const prefix to some math functions.
 *  These conflict with the built-in functions.
 */
fix = {
    hackname  = next_math_prefix;
    files     = ansi/math.h;
    select    = "^extern[ \t]+double[ \t]+__const__[ \t]";

    c_fix     = format;
    c_fix_arg = "extern double %1(";
    c_fix_arg = "^extern[ \t]+double[ \t]+__const__[ \t]+([a-z]+)\\(";

    test_text = "extern\tdouble\t__const__\tmumble();";
};


/*
 *  NeXT 3.2 uses the word "template" as a parameter for some
 *  functions. GCC reports an invalid use of a reserved key word
 *  with the built-in functions.
 */
fix = {
    hackname = next_template;
    files    = bsd/libc.h;
    select   = "[ \t]template\\)";

    c_fix     = format;
    c_fix_arg = "(%1)";
    c_fix_arg = "\\(([^)]*)[ \t]template\\)";
    test_text = "extern mumble( char * template); /* fix */";
};


/*
 *  NeXT 3.2 includes the keyword volatile in the abort() and  exit()
 *  function prototypes. That conflicts with the  built-in functions.
 */
fix = {
    hackname = next_volitile;
    files    = ansi/stdlib.h;
    select   = "^extern[ \t]+volatile[ \t]+void[ \t]";

    c_fix     = format;
    c_fix_arg = "extern void %1(";
    c_fix_arg = "^extern[ \t]+volatile[ \t]+void[ \t]+(exit|abort)\\(";

    test_text = "extern\tvolatile\tvoid\tabort();";
};


/*
 *  NeXT 2.0 defines 'int wait(union wait*)', which conflicts with Posix.1.
 *  Note that version 3 of the NeXT system has wait.h in a different directory,
 *  so that this code won't do anything.  But wait.h in version 3 has a
 *  conditional, so it doesn't need this fix.  So everything is okay.
 */
fix = {
    hackname  = next_wait_union;
    files     = sys/wait.h;

    select    = 'wait\(union wait';
    c_fix     = format;
    c_fix_arg = "wait(void";
    test_text = "extern pid_d wait(union wait*);";
};


/*
 *  a missing semi-colon at the end of the nodeent structure definition.
 */
fix = {
    hackname  = nodeent_syntax;
    files     = netdnet/dnetdb.h;
    select    = "char[ \t]*\\*na_addr[ \t]*$";
    c_fix     = format;
    c_fix_arg = "%0;";
    test_text = "char *na_addr\t";
};


/*
 *  sys/lc_core.h on some versions of OSF1/4.x pollutes the namespace by
 *  defining regex.h related types.  This causes libg++ build and usage
 *  failures.  Fixing this correctly requires checking and modifying 3 files.
 */
fix = {
    hackname = osf_namespace_a;
    files    = reg_types.h;
    files    = sys/lc_core.h;
    test     = " -r reg_types.h";
    test     = " -r sys/lc_core.h";
    test     = " -n \"`grep '} regex_t;' reg_types.h`\"";
    test     = " -z \"`grep __regex_t regex.h`\"";

    c_fix     = format;
    c_fix_arg = "__%0";
    c_fix_arg = "reg(ex|off|match)_t";

    test_text = "`touch sys/lc_core.h`"
    "typedef struct {\n  int stuff, mo_suff;\n} regex_t;\n"
    "extern regex_t    re;\n"
    "extern regoff_t   ro;\n"
    "extern regmatch_t rm;\n";
};

fix = {
    hackname = osf_namespace_c;
    files    = regex.h;
    test     = " -r reg_types.h";
    test     = " -r sys/lc_core.h";
    test     = " -n \"`grep '} regex_t;' reg_types.h`\"";
    test     = " -z \"`grep __regex_t regex.h`\"";

    select    = "#include <reg_types\.h>.*";
    c_fix     = format;
    c_fix_arg = "%0\n"
                "typedef __regex_t\tregex_t;\n"
                "typedef __regoff_t\tregoff_t;\n"
                "typedef __regmatch_t\tregmatch_t;";

    test_text = "#include <reg_types.h>";
};


/*
 *  Fix __page_size* declarations in pthread.h AIX 4.1.[34].
 *  The original ones fail if uninitialized externs are not common.
 *  This is the default for all ANSI standard C++ compilers.
 */
fix = {
    hackname  = pthread_page_size;
    files     = pthread.h;
    select    = "^int __page_size";
    c_fix     = format;
    c_fix_arg = "extern %0";
    test_text = "int __page_size;";
};


/*
 *  Fix return type of fread and fwrite on sysV68
 */
fix = {
    hackname = read_ret_type;
    files    = stdio.h;
    select   = "extern int\t.*, fread\\(\\), fwrite\\(\\)";
    c_fix     = format;
    c_fix_arg = "extern unsigned int fread(), fwrite();\n%1%2";
    c_fix_arg = "(extern int\t.*), fread\\(\\), fwrite\\(\\)(.*)";

    test_text = "extern int\tfclose(), fflush(), fread(), fwrite(), foo();";
};


/*
 *  function class(double x) conflicts with C++ keyword on rs/6000
 */
fix = {
    hackname  = rs6000_double;
    files     = math.h;
    select    = '[^a-zA-Z_]class\(';

    c_fix     = format;
    c_fix_arg = "#ifndef __cplusplus\n%0\n#endif";
    c_fix_arg = '^.*[^a-zA-Z_]class\(.*';

    test_text = "extern int class();";
};


/*
 *  Wrong fchmod prototype on RS/6000.
 */
fix = {
    hackname  = rs6000_fchmod;
    files     = sys/stat.h;
    select    = 'fchmod\(char \*';
    c_fix     = format;
    c_fix_arg = "fchmod(int";
    test_text = "extern int fchmod(char *, mode_t);";
};


/*
 *  parameters conflict with C++ new on rs/6000
 */
fix = {
    hackname  = rs6000_param;
    files     = "stdio.h";
    files     = "unistd.h";

    select    = 'rename\(const char \*old, const char \*new\)';
    c_fix     = format;
    c_fix_arg = 'rename(const char *_old, const char *_new)';

    test_text = 'extern int rename(const char *old, const char *new);';
};


/*
 *  The static functions lstat() and fchmod() in <sys/stat.h>
 *  cause G++ grief since they're not wrapped in "if __cplusplus".
 *
 *  On SCO OpenServer 5.0.0 through (at least) 5.0.5 <sys/stat.h> contains
 *  tiny static wrappers that aren't C++ safe.
 */
fix = {
    hackname = sco_static_func;
    files    = sys/stat.h;
    mach     = "i?86-*-sco3.2*";
    select   = "^static int";

    sed      = "/^static int/i\\\n"
               "#if __cplusplus\\\n"
               "extern \"C\" {\\\n"
               "#endif /* __cplusplus */";

    sed      = "/^}$/a\\\n"
               "#if __cplusplus\\\n"
               " }\\\n"
               "#endif /* __cplusplus */";

    test_text =
    "#ifdef __STDC__\n"
    "static int\tstat(const char *__f, struct stat *__p) {\n"
    "\treturn __stat32(__f, __p);\n"
    "}\n\n#  else /* !__STDC__ THIS FAILS ON BSD SYSTEMS */\n"

    "static int\tstat(__f, __p)\n"
    "\tchar *__f;\n"
    "\tstruct stat *__p;\n"
    "{\n"
    "\treturn __stat32(__f, __p);\n"
    "}\n"
    "#endif";
};


/*
 *  Fix prototype declaration of utime in sys/times.h.
 *  In 3.2v4.0 the const is missing.
 */
fix = {
    hackname  = sco_utime;
    files     = sys/times.h;
    mach      = "i?86-*-sco3.2v4*";

    select    = '\(const char \*, struct utimbuf \*\);';
    c_fix     = format;
    c_fix_arg = '(const char *, const struct utimbuf *);';

    test_text = "extern int utime(const char *, struct utimbuf *);";
};


/*
 * Sun Solaris defines PTHREAD_MUTEX_INITIALIZER with a trailing
 * "0" for the last field of the pthread_mutex_t structure, which is
 * of type upad64_t, which itself is typedef'd to int64_t, but with
 * __STDC__ defined (e.g. by -ansi) it is a union. So change the
 * initializer to "{0}" instead
 */
fix = {
    hackname = solaris_mutex_init;
    select = '@\(#\)pthread.h' "[ \t]+1.[0-9]+[ \t]+[0-9/]+ SMI";
    files = pthread.h;
    c_fix = format;
    c_fix_arg = "#if __STDC__ - 0 == 0 && !defined(_NO_LONGLONG)\n"
                "%0\n"
                "#else\n"
                "%1, {0}}%3\n"
                "#endif";
    c_fix_arg = "(^#define[ \t]+PTHREAD_(MUTEX|COND)_INITIALIZER[ \t]+{.*)"
                ",[ \t]*0}" "(|[ \t].*)$";
    test_text =
    '#ident "@(#)pthread.h  1.26  98/04/12 SMI"'"\n"
    "#define PTHREAD_MUTEX_INITIALIZER\t{{{0},0}, {{{0}}}, 0}\n"
    "#define PTHREAD_COND_INITIALIZER\t{{{0}, 0}, 0}\t/* DEFAULTCV */\n"
    "#define PTHREAD_RWLOCK_INITIALIZER\t"
             "{0, 0, 0, {0, 0, 0}, {0, 0}, {0, 0}}";
};


/*
 * Solaris 2.8 has what appears to be some gross workaround for 
 * some old version of their c++ compiler.  G++ doesn't want it
 * either, but doesn't want to be tied to SunPRO version numbers.
 */
fix = {
    hackname = solaris_stdio_tag;
    files    = stdio_tag.h;

    select   = '__cplusplus < 54321L';
    sed      = 's/defined(__cplusplus) && (__cplusplus < 54321L)/0/';

    test_text = "#if\tdefined(__cplusplus) && (__cplusplus < 54321L)";
};

/*
 * <widec.h> until Solaris 2.5.1 defines macros for a couple of <wchar.h>
 * functions, breaking their prototypes if that file is included afterwards.
 * Include <wchar.h> early to avoid this issue, as is done on Solaris 2.6
 * and up.
 */
fix = {
    hackname  = solaris_widec;
    files     = widec.h;
    mach      = '*-*-solaris2.[0-5]*';
    bypass    = "include.*wchar\\.h";
    select    = "#include <euc.h>";
    c_fix     = format;
    c_fix_arg = "%0\n#include <wchar.h>";
    test_text = "#include <euc.h>";
};


/*
 *  Add a `static' declaration of `getrnge' into <regexp.h>.
 *
 *  Don't do this if there is already a `static void getrnge' declaration
 *  present, since this would cause a redeclaration error.  Solaris 2.x has
 *  such a declaration.
 */
#ifdef SVR4
fix = {
    hackname = static_getrnge;
    files    = regexp.h;
    bypass   = "static void getrnge";
    sed      = "/^static int[ \t]*size;/c\\\n"
               "static int      size ;\\\n\\\n"
               "static int getrnge ();";
};
#endif


/*
 *  a missing semi-colon at the end of the statsswtch structure definition.
 */
fix = {
    hackname  = statsswtch;
    files     = rpcsvc/rstat.h;
    select    = "boottime$";
    c_fix     = format;
    c_fix_arg = "boottime;";
    test_text = "struct statswtch {\n  int boottime\n};";
};


/*
 *  Arrange for stdio.h to use stdarg.h to define __gnuc_va_list.
 *  On 4BSD-derived systems, stdio.h defers to machine/ansi.h; that's
 *  OK too.
 */
fix = {
    hackname = stdio_stdarg_h;
    files    = stdio.h;
    bypass   = "include.*(stdarg\.h|machine/ansi\.h)";

    c_fix     = wrap;

    c_fix_arg = "#define __need___va_list\n#include <stdarg.h>\n";

    test_text = "";
};


/*
 *  Don't use or define the name va_list in stdio.h.
 *  This is for ANSI and also to interoperate properly with gcc's varargs.h.
 *  Note _BSD_VA_LIST_ is dealt with elsewhere.
 */
fix = {
    hackname = stdio_va_list;
    files    = stdio.h;
    bypass   = '__gnuc_va_list|_BSD_VA_LIST_|__DJ_va_list';

    /*
     * Use __gnuc_va_list in arg types in place of va_list.
     * On 386BSD use __gnuc_va_list instead of _VA_LIST_.  On Tru64 UNIX V5.1A
     * use __gnuc_va_list instead of __VA_LIST__.  We're hoping the
     * trailing parentheses and semicolon save all other systems from this.
     * Define __not_va_list__ (something harmless and unused)
     * instead of va_list.
     * Don't claim to have defined va_list.
     */
    sed = "s@ va_list @ __gnuc_va_list @\n"
          "s@ va_list)@ __gnuc_va_list)@\n"
          "s@ _VA_LIST_));@ __gnuc_va_list));@\n"
          "s@ __VA_LIST__));@ __gnuc_va_list));@\n"
          "s@ va_list@ __not_va_list__@\n"
          "s@\\*va_list@*__not_va_list__@\n"
          "s@ __va_list)@ __gnuc_va_list)@\n"
          "s@typedef[ \t]\\(.*\\)[ \t]va_list[ \t]*;"
           "@typedef \\1 __not_va_list__;@\n"
          "s@typedef[ \t]*__va_list__@typedef __gnuc_va_list@\n"
          "s@GNUC_VA_LIST@GNUC_Va_LIST@\n"
          "s@_NEED___VA_LIST@_NEED___Va_LIST@\n"
          "s@VA_LIST@DUMMY_VA_LIST@\n"
          "s@_Va_LIST@_VA_LIST@";
    test_text = "extern void mumble( va_list);";
};


/*
 *  "!__STDC__" or "__STDC__==0" or "__STDC__!=1" or "__STDC__-0==0"
 *  is "!defined( __STRICT_ANSI__ )"
 */
fix = {
    hackname = strict_ansi_not;
    select   = "^([ \t]*#[ \t]*if.*)"
               "(!__STDC__"
               "|__STDC__[ \t]*==[ \t]*0"
               "|__STDC__[ \t]*!=[ \t]*1"
               "|__STDC__[ \t]*-[ \t]*0[ \t]*==[ \t]*0)";
    /* Tru64 UNIX V4.0F/V5.1 <standards.h> supports GCC usage of __STDC__. */
    bypass = 'GNU and MIPS C compilers define __STDC__ differently';
    c_test   = stdc_0_in_system_headers;

    c_fix     = format;
    c_fix_arg = "%1 !defined(__STRICT_ANSI__)";

    test_text = "#if !__STDC__ \n"
                "#if __STDC__ == 0\n"
                "#if __STDC__ != 1\n"
                "#if __STDC__ - 0 == 0"
               "/* not std C */\nint foo;\n"
               "\n#end-end-end-end-if :-)";
};

/*
 *  "__STDC__-0==0"
 *  is "!defined( __STRICT_ANSI__ )" on continued #if-s
 */
fix = {
    hackname = strict_ansi_not_ctd;
    files    = math.h, limits.h, stdio.h, signal.h,
               stdlib.h, sys/signal.h, time.h;
    /*
     * Starting at the beginning of a line, skip white space and
     * a leading "(" or "&&" or "||".  One of those must be found.
     * Then, zero, one or more copies of a "defined(_FOO_BAR_) &&"
     * expression.  If these are nested, then they must accumulate
     * because we won't match any closing parentheses.  Finally,
     * after skipping over all that, we must then match our suspect
     * phrase:  "__STDC__-0==0" with or without white space.
     */
    select   = "^([ \t]*" '(\(|&&|\|\|)'
               "([ \t(]*!*[ \t]*defined\\([a-zA-Z_0-9]+\\)[ \t]*[|&][|&])*"
               "[ \t(]*)"
               "(__STDC__[ \t]*(|-[ \t]*0[ \t]*)==[ \t]*0)";
    c_test   = stdc_0_in_system_headers;

    c_fix     = format;
    c_fix_arg = "%1 !defined(__STRICT_ANSI__)";

    test_text = "#if 1 && \\\\\n"
               "&& defined(mumbling) |& (__STDC__ - 0 == 0) \\\\\n"
               "( __STDC__ == 0 && !defined(_XOPEN_SOURCE) \\\\\n"
               "|| __STDC__ - 0 == 0 ) /* not std C */\n"
               "int foo;\n#endif";
};


/*
 *  "__STDC__!=0" or "__STDC__==1" or "__STDC__-0==1"
 *  is "defined( __STRICT_ANSI__ )"
 */
fix = {
    hackname = strict_ansi_only;
    select   = "^([ \t]*#[ \t]*if.*)"
               "(__STDC__[ \t]*!=[ \t]*0"
               "|__STDC__[ \t]*==[ \t]*1"
               "|__STDC__[ \t]*-[ \t]*0[ \t]*==[ \t]*1"
               "|__STDC__[ \t]*-[ \t]*0[ \t]*!=[ \t]*0)";
    c_test   = stdc_0_in_system_headers;

    c_fix     = format;
    c_fix_arg = "%1 defined(__STRICT_ANSI__)";

    test_text = "#if __STDC__ == 1 /* is std C\n */\nint foo;\n#endif";
};


/*
 *  IRIX 4.0.5 <rpc/xdr.h> uses struct __file_s
 *  in prototype without previous definition.
 */
fix = {
    hackname  = struct_file;
    files     = rpc/xdr.h;
    select    = '^.*xdrstdio_create.*struct __file_s';
    c_fix     = format;
    c_fix_arg = "struct __file_s;\n%0";
    test_text = "extern void xdrstdio_create( struct __file_s* );";
};


/*
 *  IRIX 4.0.5 <rpc/auth.h> uses struct sockaddr
 *  in prototype without previous definition.
 */
fix = {
    hackname  = struct_sockaddr;
    files     = rpc/auth.h;
    select    = "^.*authdes_create.*struct sockaddr";
    bypass    = "<sys/socket\.h>";
    c_fix     = format;
    c_fix_arg = "struct sockaddr;\n%0";
    test_text = "extern AUTH* authdes_create( struct sockaddr* );";
};


/*
 *  Apply fix this to all OSs since this problem seems to effect
 *  more than just SunOS.
 */
fix = {
    hackname = sun_auth_proto;
    files    = rpc/auth.h;
    files    = rpc/clnt.h;
    files    = rpc/svc.h;
    files    = rpc/xdr.h;
    /*
     *  Select those files containing '(*name)()'.
     */
    select    = '\(\*[a-z][a-z_]*\)\(\)';

    c_fix     = format;
    c_fix_arg = "#ifdef __cplusplus\n%1(...);%2\n"
                "#else\n%1();%2\n#endif";
    c_fix_arg = '(.*\(\*[a-z][a-z_]*\))\(\);(.*)';

    test_text =
    "struct auth_t {\n"
    "    int (*name)(); /* C++ bad */\n"
    "};";
};


/*
 *  Fix bogus #ifdef on SunOS 4.1.
 */
fix = {
    hackname  = sun_bogus_ifdef;
    files     = "hsfs/hsfs_spec.h";
    files     = "hsfs/iso_spec.h";
    select    = '#ifdef(.*\|\|.*)';
    c_fix     = format;
    c_fix_arg = "#if%1";

    test_text = "#ifdef  __i386__ || __vax__ || __sun4c__";
};


/*
 *  Fix the CAT macro in SunOS memvar.h.
 */
fix = {
    hackname  = sun_catmacro;
    files     = pixrect/memvar.h;
    select    = "^#define[ \t]+CAT\\(a,b\\).*";
    c_fix     = format;

    c_fix_arg =
    "#ifdef __STDC__\n"
    "#  define CAT(a,b) a##b\n"
    "#else\n%0\n#endif";

    test_text =
    "#define CAT(a,b)\ta/**/b";
};


/*
 *  Fix return type of free and {c,m,re}alloc in <malloc.h> on SunOS 4.1.
 *  Also fix return type of {m,re}alloc in <malloc.h> on sysV68
 */
fix = {
    hackname = sun_malloc;
    files    = malloc.h;

    sed   = "s/typedef[ \t]char \\*\tmalloc_t/typedef void \\*\tmalloc_t/g";
    sed   = "s/int[ \t][ \t]*free/void\tfree/g";
    sed   = "s/char\\([ \t]*\\*[ \t]*malloc\\)/void\\1/g";
    sed   = "s/char\\([ \t]*\\*[ \t]*realloc\\)/void\\1/g";
    sed   = "s/char\\([ \t]*\\*[ \t]*calloc\\)/void\\1/g";

    test_text =
    "typedef char *\tmalloc_t;\n"
    "int \tfree();\n"
    "char*\tmalloc();\n"
    "char*\tcalloc();\n"
    "char*\trealloc();";
};


/*
 *  Check for yet more missing ';' in struct (in SunOS 4.0.x)
 */
fix = {
    hackname = sun_rusers_semi;
    files    = rpcsvc/rusers.h;
    select   = "_cnt$";
    sed      = "/^struct/,/^};/s/_cnt$/_cnt;/";
    test_text = "struct mumble\n  int _cnt\n};";
};


/*
 *  signal.h on SunOS defines signal using (),
 *  which causes trouble when compiling with g++ -pedantic.
 */
fix = {
    hackname = sun_signal;
    files    = sys/signal.h;
    files    = signal.h;
    select   = "^void\t" '\(\*signal\(\)\)\(\);.*';

    c_fix     = format;
    c_fix_arg =
          "#ifdef __cplusplus\n"
          "void\t(*signal(...))(...);\n"
          "#else\n%0\n#endif";

    test_text = "void\t(*signal())();";
};


/*
 *  math.h on SunOS 4 puts the declaration of matherr before the definition
 *  of struct exception, so the prototype (added by fixproto) causes havoc.
 */
fix = {
    hackname  = sunos_matherr_decl;
    files     = math.h;

    /*  If matherr has a prototype already, the header needs no fix.  */
    bypass    = 'matherr.*(struct exception|__MATH_EXCEPTION)';
    select    = matherr;

    c_fix     = wrap;
    c_fix_arg = "struct exception;\n";

    test_text = "extern int matherr();";
};


/*
 *  Correct the return type for strlen in strings.h in SunOS 4.
 */
fix = {
    hackname = sunos_strlen;
    files    = strings.h;
    select   = "int[ \t]*strlen\\(\\);(.*)";
    c_fix     = format;
    c_fix_arg = "__SIZE_TYPE__ strlen();%1";
    test_text = " int\tstrlen(); /* string length */";
};


/*
 *  Solaris math.h and floatingpoint.h define __P without protection,
 *  which conflicts with the fixproto definition.  The fixproto
 *  definition and the Solaris definition are used the same way.
 */
fix = {
    hackname = svr4__p;
    files    = math.h;
    files    = floatingpoint.h;
    select   = "^#define[ \t]+__P.*";
    c_fix     = format;
    c_fix_arg = "#ifndef __P\n%0\n#endif";

    test_text = "#define __P(a) a";
};


/*
 *  Disable apparent native compiler optimization cruft in SVR4.2 <string.h>
 *  that is visible to any ANSI compiler using this include.  Simply
 *  delete the lines that #define some string functions to internal forms.
 */
#ifdef SVR4
fix = {
    hackname = svr4_disable_opt;
    files    = string.h;
    select   = '#define.*__std_hdr_';
    sed      = '/#define.*__std_hdr_/d';
};
#endif


/*
 *  Conditionalize some of <sys/endian.h> on __GNUC__ and __GNUG__.
 *  On some systems (UnixWare 2, UnixWare 7), the file is byteorder.h
 *  but we still "hijack" it and redirect it to the GNU byteorder.h..
 */
#ifdef SVR5
fix = {
    hackname = svr4_endian;
    files    = sys/endian.h;
#ifdef LATER
    /*
     * since we emit our own sys/byteorder.h,
     * this fix can never be applied to that file.
     */
    files    = sys/byteorder.h;
#endif
    bypass   = '__GNUC__';

    sed      = "/#\tifdef\t__STDC__/i\\\n"
               "#   if !defined (__GNUC__) && !defined (__GNUG__)\n";

    sed      = "/#\t\tinclude\t<sys\\/byteorder.h>/s/\t\t/   /";

    sed      = "/#   include\t<sys\\/byteorder.h>/i\\\n"
               "#   endif /* !defined (__GNUC__) && !defined (__GNUG__) */\n";
};
#endif /* SVR5 */


/*
 *  Remove useless extern keyword from struct forward declarations
 *  in <sys/stream.h> and <sys/strsubr.h>
 */
#ifdef SVR4
fix = {
    hackname = svr4_extern_struct;
    files    = sys/stream.h;
    files    = sys/strsubr.h;
    select   = 'extern struct [a-z_]*;';
    sed      = 's/extern struct \([a-z][a-z_]*\)/struct \1/';
};
#endif

/*
 *  Fix declarations of `ftw' and `nftw' in <ftw.h>.  On some/most SVR4
 *  systems the file <ftw.h> contains extern declarations of these
 *  functions followed by explicitly `static' definitions of these
 *  functions... and that's not allowed according to ANSI C.  (Note
 *  however that on Solaris, this header file glitch has been pre-fixed by
 *  Sun.  In the Solaris version of <ftw.h> there are no static
 *  definitions of any function so we don't need to do any of this stuff
 *  when on Solaris.
 */
#ifdef SVR4
#ifndef SOLARIS
fix = {
    hackname = svr4_ftw;
    files    = ftw.h;
    select   = '^extern int ftw\(const';

    sed = '/^extern int ftw(const/i' "\\\n"
            "#if !defined(_STYPES)\\\n"
            "static\\\n"
            "#else\\\n"
            "extern\\\n"
            "#endif";
    sed = 's/extern \(int ftw(const.*\)$/\1/';
    sed = "/^extern int nftw/i\\\n"
            "#if defined(_STYPES)\\\n"
            "static\\\n"
            "#else\\\n"
            "extern\\\n"
            "#endif";
    sed = 's/extern \(int nftw.*\)$/\1/';
    sed = "/^extern int ftw(),/c\\\n"
            "#if !defined(_STYPES)\\\n"
            "static\\\n"
            "#else\\\n"
            "extern\\\n"
            "#endif\\\n"
            "  int ftw();\\\n"
            "#if defined(_STYPES)\\\n"
            "static\\\n"
            "#else\\\n"
            "extern\\\n"
            "#endif\\\n"
            "  int nftw();";
};
#endif
#endif


/*
 *   Fix broken decl of getcwd present on some svr4 systems.
 */
fix = {
    hackname = svr4_getcwd;
    files    = stdlib.h;
    files    = unistd.h;
    files    = prototypes.h;
    select   = 'getcwd\(char \*, int\)';

    c_fix     = format;
    c_fix_arg = "getcwd(char *, size_t)";

    test_text = "extern char* getcwd(char *, int);";
};


/*
 *  set ifdef _KERNEL
 */
#ifdef SVR4
fix = {
    hackname = svr4_kernel;
    files    = fs/rfs/rf_cache.h;
    files    = sys/erec.h;
    files    = sys/err.h;
    files    = sys/char.h;
    files    = sys/getpages.h;
    files    = sys/map.h;
    files    = sys/cmn_err.h;
    files    = sys/kdebugger.h;
    bypass   = '_KERNEL';
    c_fix     = wrap;

    c_fix_arg = "#ifdef _KERNEL\n";
    c_fix_arg = "#endif /* _KERNEL */\n";
    test_text = "";
};
#endif

/*
 *  Delete any #defines of `__i386' which may be present in <ieeefp.h>.  They
 *  tend to conflict with the compiler's own definition of this symbol.  (We
 *  will use the compiler's definition.)
 *  Likewise __sparc, for Solaris, and __i860, and a few others
 *  (guessing it is necessary for all of them).
 */
#ifdef SVR4
fix = {
    hackname = svr4_mach_defines;
    files    = ieeefp.h;
    select   = "#define[ \t]*__(i386|mips|sparc|m88k|m68k)[ \t]";
    sed      = "/#define[ \t]*__\\(i386|mips|sparc|m88k|m68k\\)[ \t]/d";
};
#endif


/*
 *  Fix declarations of `makedev', `major', and `minor' in <sys/mkdev.h>.
 *  They are declared as non-static then immediately redeclared as static.
 */
#ifdef SVR5
fix = {
    hackname = svr4_mkdev;
    files    = sys/mkdev.h;
    select   = '^static';

    sed      = "/^dev_t makedev(/s/^/static /";
    sed      = "/^major_t major(/s/^/static /";
    sed      = "/^minor_t minor(/s/^/static /";
};
#endif /* SVR5 */


/*
 *  Fix reference to NC_NPI_RAW in <sys/netcspace.h>.
 *  Also fix types of array initializers.
 */
#ifdef SVR4
fix = {
    hackname = svr4_netcspace;
    files    = sys/netcspace.h;
    select   = 'NC_NPI_RAW';
    sed      = 's/NC_NPI_RAW/NC_TPI_RAW/g';
    sed      = 's/NC_/(unsigned long) NC_/';
};
#endif

/*
 *  Fix reference to NMSZ in <sys/adv.h>.
 */
#ifdef SVR4
fix = {
    hackname = svr4_nmsz;
    files    = sys/adv.h;
    select   = '\[NMSZ\]';
    sed      = 's/\[NMSZ\]/\[RFS_NMSZ\]/g';
};
#endif


/*
 *   Fix broken decl of profil present on some svr4 systems.
 */
fix = {
    hackname = svr4_profil;
    files    = stdlib.h;
    files    = unistd.h;

    select    =
    'profil\(unsigned short \*, unsigned int, unsigned int, unsigned int\)';
    c_fix     = format;
    c_fix_arg = 'profil(unsigned short *, size_t, int, unsigned int)';

    test_text =
    'profil(unsigned short *, unsigned int, unsigned int, unsigned int);';
};


/*
 *  Convert functions to prototype form, and fix arg names in <sys/stat.h>.
 */
#ifdef SVR4
fix = {
    hackname = svr4_proto_form;
    files    = sys/stat.h;
    select   = 'const extern';

    sed      = "/^stat([ \t]*[^c]/ {\nN\nN\n"
                   "s/(.*)\\n/( /\n"
                   "s/;\\n/, /\n"
                   "s/;$/)/\n"  "}";

    sed      = "/^lstat([ \t]*[^c]/ {\nN\nN\n"
                   "s/(.*)\\n/( /\n"
                   "s/;\\n/, /\n"
                   "s/;$/)/\n"  "}";

    sed      = "/^fstat([ \t]*[^i]/ {\nN\nN\n"
                   "s/(.*)\\n/( /\n"
                   "s/;\\n/, /\n"
                   "s/;$/)/\n"  "}";

    sed      = "/^mknod([ \t]*[^c]/{\nN\nN\nN\n"
                   "s/(.*)\\n/( /\n"
                   "s/;\\n/, /g\n"
                   "s/;$/)/\n"  "}";

    sed      = "1,$s/\\([^A-Za-z]\\)path\\([^A-Za-z]\\)/\\1__path\\2/g";
    sed      = "1,$s/\\([^A-Za-z]\\)buf\\([^A-Za-z]\\)/\\1__buf\\2/g";
    sed      = "1,$s/\\([^A-Za-z]\\)fd\\([^A-Za-z]\\)/\\1__fd\\2/g";
    sed      = "1,$s/ret\\([^u]\\)/__ret\\1/g";
    sed      = "1,$s/\\([^_]\\)mode\\([^_]\\)/\\1__mode\\2/g";
    sed      = "1,$s/\\([^_r]\\)dev\\([^_]\\)/\\1__dev\\2/g";
};
#endif

/*
 *  Add a prototyped declaration of mmap to <sys/mman.h>.
 */
#ifdef SVR4
fix = {
    hackname = svr4_proto_mmap;
    files    = sys/mman.h;
    select   = '^extern caddr_t mmap();$';
    sed = '/^extern caddr_t mmap();$/c' "\\\n"
          "#ifdef __STDC__\\\n"
          "extern caddr_t mmap (caddr_t, size_t, int, int, int, off_t);\\\n"
          "#else /* !defined(__STDC__) */\\\n"
          "extern caddr_t mmap ();\\\n"
          "#endif /* !defined(__STDC__) */\\\n";
};
#endif

/*
 *  Add a #define of _SIGACTION_ into <sys/signal.h>.
 */
#ifdef SVR4
fix = {
    hackname = svr4_sigaction;
    files    = sys/signal.h;
    sed      = "/^struct sigaction {/i\\\n"
               "#define _SIGACTION_";
    sed      = 's/(void *(\*)())/(void (*)(int))/';
};
#endif

/*
 *  Put storage class at start of decl, to avoid warning.
 */
#ifdef SVR4
fix = {
    hackname = svr4_storage_class;
    files    = rpc/types.h;
    select   = 'const extern';
    sed      = 's/const extern/extern const/g';
};
#endif


/*
 *  Like svr4_mach_defines, but with newfangled syntax.
 *  Source lines are of #define __i386 #machine(i386).   Delete them.
 */
#ifdef SVR5
fix = {
    hackname = svr5_mach_defines;
    files    = ieeefp.h;
    select   = "#define[ \t]*__i386.*\(i386\)";
    sed      = "/#define[ \t]*__i386.*/d";
};
#endif /*  SVR5 */


/*
 *  Fix return value of mem{ccpy,chr,cpy,set} and str{len,spn,cspn}
 *  in string.h on sysV68
 *  Correct the return type for strlen in string.h on Lynx.
 *  Correct the argument type for ffs in string.h on Alpha OSF/1 V2.0.
 *  Add missing const for strdup on OSF/1 V3.0.
 *  On sysV88 layout is slightly different.
 */
fix = {
    hackname = sysv68_string;
    files    = testing.h;
    files    = string.h;

    sed = "s/extern[ \t]*int[ \t]*strlen();/extern unsigned int strlen();/";
    sed = "s/extern[ \t]*int[ \t]*ffs[ \t]*(long);/extern int ffs(int);/";
    sed = "s/strdup(char \\*s1);/strdup(const char *s1);/";

    sed = "/^extern char$/N";
    sed = "s/^extern char\\(\\n\t\\*memccpy(),\\)$/extern void\\1/";

    sed = "/^extern int$/N";
    sed = "s/^extern int\\(\\n\tstrlen(),\\)/extern size_t\\1/";

    sed = "/^\tstrncmp(),$/N";
    sed = 's/^\(' "\t" 'strncmp()\),\n\(' "\t" 'strlen(),\)$/'
            '\1;' "\\\nextern unsigned int\\\n\\2/";

    test_text =
    "extern int strlen();\n"

    "extern int ffs(long);\n"

    "extern char\n"
    "\t*memccpy(),\n"
    "\tmemcpy();\n"

    "extern int\n"
    "\tstrcmp(),\n"
    "\tstrncmp(),\n"
    "\tstrlen(),\n"
    "\tstrspn();\n"

    "extern int\n"
    "\tstrlen(), strspn();";
};


/*
 *  Fix return type of calloc, malloc, realloc, bsearch and exit
 */
fix = {
    hackname = sysz_stdlib_for_sun;
    files    = stdlib.h;

    select    = "char[ \t]*\\*[ \t]*(calloc|malloc|realloc|bsearch)[ \t]*\\(";
    c_fix     = format;
    c_fix_arg = "void *\t%1(";

    test_text =
    "extern char*\tcalloc(size_t);\n"
    "extern char*\tmalloc(size_t);\n"
    "extern char*\trealloc(void*,size_t);\n"
    "extern char*\tbsearch(void*,size_t,size_t);\n";
};


/*
 * __thread is now a keyword.
 */
fix = {
    hackname  = thread_keyword;
    files     = "pthread.h";
    files     = "bits/sigthread.h";
    select    = "([* ])__thread([,)])";
    c_fix     = format;
    c_fix_arg = "%1__thr%2";

    test_text =
        "extern int pthread_create (pthread_t *__restrict __thread,\n"
        "extern int pthread_kill (pthread_t __thread, int __signo);\n"
        "extern int pthread_cancel (pthread_t __thread);";
};

/*
 *  if the #if says _cplusplus, not the double underscore __cplusplus
 *  that it should be
 */
fix = {
    hackname = tinfo_cplusplus;
    files    = tinfo.h;
    select   = "[ \t]_cplusplus";

    c_fix     = format;
    c_fix_arg = " __cplusplus";
    test_text = "#ifdef _cplusplus\nint bogus;\n#endif";
};


/*
 *  function parameter to atexit is missing "void" on VAX Ultrix 4.3.
 */
fix = {
    hackname = ultrix_atexit_param;
    files    = stdlib.h;
    select   = 'atexit\(.*\(\)';

    c_fix     = format;
    c_fix_arg = "atexit( void (*__func)( void )";

    test_text = "int atexit( void (*__func)() );\n";
};


/*
 *  parameter to atof not const on DECstation Ultrix V4.0 and NEWS-OS 4.2R.
 */
fix = {
    hackname = ultrix_atof_param;
    files    = math.h;
    select   = "atof\\([ \t]*char";

    c_fix     = format;
    c_fix_arg = "atof(const char";

    test_text = "extern double atof( char *__nptr);\n";
};


/*
 *  parameters not const on DECstation Ultrix V4.0 and OSF/1.
 */
fix = {
    hackname  = ultrix_const;
    files     = stdio.h;
    select    = 'perror\( char \*';

    c_fix     = format;
    c_fix_arg = "%1 const %3 *__";
    c_fix_arg = "([ \t*](perror|fputs|fwrite|scanf|fscanf)\\(.*)"
                "[ \t]+(char|void) \\*__";

    test_text =
    "extern void perror( char *__s );\n"
    "extern int fputs( char *__s, FILE *);\n"
    "extern size_t fwrite( void *__ptr, size_t, size_t, FILE *);\n"
    "extern int fscanf( FILE *__stream, char *__format, ...);\n"
    "extern int scanf( char *__format, ...);\n";
};


/*
 *  parameters not const on DECstation Ultrix V4.0 and OSF/1.
 */
fix = {
    hackname  = ultrix_const2;
    files     = stdio.h;

    select    = '\*fopen\( char \*';
    c_fix     = format;
    c_fix_arg = "%1( const char *%3, const char *";
    c_fix_arg = "([ \t*](fopen|sscanf|popen|tempnam))\\("
               "[ \t]*char[ \t]*\\*([^,]*),"
               "[ \t]*char[ \t]*\\*[ \t]*";

    test_text =
    "extern FILE *fopen( char *__filename, char *__type );\n"
    "extern int sscanf( char *__s, char *__format, ...);\n"
    "extern FILE *popen(char *, char *);\n"
    "extern char *tempnam(char*,char*);\n";
};


/*
 * Ultrix V4.[35] puts the declaration of uname before the definition
 * of struct utsname, so the prototype (added by fixproto) causes havoc.
 */
fix = {
    hackname = ultrix_fix_fixproto;
    files    = sys/utsname.h;
    select   = ULTRIX;

    c_fix     = format;
    c_fix_arg = "struct utsname;\n%0";
    c_fix_arg = "^[ \t]*extern[ \t]*int[ \t]*uname\\(\\);";

    test_text =
    "/* ULTRIX's uname */\nextern\tint\tuname();";
};


/*
 *  Check for bad #ifdef line (in Ultrix 4.1)
 */
fix = {
    hackname = ultrix_ifdef;
    select   = "^#ifdef KERNEL[ \t]+&&";
    files    = sys/file.h;

    c_fix     = format;
    c_fix_arg = "#if defined(KERNEL) &&";

    test_text =
    "#ifdef KERNEL\t&& defined( mumbojumbo )\nint oops;\n#endif";
};


/*
 * Strip "|| CC$gfloat" from Ultrix math headers.
 */
fix = {
    hackname  = ultrix_math_ifdef;
    files     = sys/limits.h;
    files     = float.h;
    files     = math.h;
    select    = "^(#if.*)\\|\\|[ \t]+CC\\$[a-z]+";
    c_fix     = format;
    c_fix_arg = "%1";

    test_text = '#if     defined(__GFLOAT) || CC\$gfloat';
};


/*
 *  Avoid nested comments on Ultrix 4.3.
 */
fix = {
    hackname = ultrix_nested_ioctl;
    files    = sys/ioctl.h;
    select   = "^/\\* #define SIOCSCREEN";
    sed      = "/^\\/\\* #define SIOCSCREEN/s@/\\* screend@*//* screend@";
    test_text =
    "/* #define SIOCSCREENON _IOWR('i', 49, int)"
    "/* screend, net/gw_screen.h */\n";
};


fix = {
    hackname = ultrix_nested_svc;
    files    = rpc/svc.h;
    select   = "^ \\*[ \t]*int protocol;  */\\*";
    sed      = "s@^\\( \\*\tint protocol;  \\)/\\*@\\1*/ /*@";
    test_text =
    " *\tint protocol;  /* like TCP or UDP\n";
};


/*
 *  Add missing prototype for lstat and define for S_ISLNK
 *  in Ultrix V4.3 sys/stat.h.
 */
fix = {
    hackname = ultrix_stat;
    files  = sys/stat.h;
    select = "@\\(#\\)stat\\.h.*6\\.1.*\\(ULTRIX\\)";
    sed    = "/^#define[ \t]S_IFPORT[ \t]*S_IFIFO$/a\\\n"
                "\\\n"
                "/* macro to test for symbolic link */\\\n"
                "#define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)\\\n"
                "\n";
    sed    = "/^[ \t]*fstat(),$/a\\\n"
                "\tlstat(),\n";
    test_text =
    "@(#)stat.h      6.1     (ULTRIX)\n"
    "#define S_IFPORT S_IFIFO\n"
    "\tfstat(),\n/* THE INSERTION LINE FAILS ON BSD SYSTEMS */";
};


/*
 *  Check for superfluous `static' (in Ultrix 4.2)
 *  On Ultrix 4.3, includes of other files (r3_cpu.h,r4_cpu.h) is broken.
 */
fix = {
    hackname = ultrix_static;
    files  = machine/cpu.h;
    select = '#include "r[34]_cpu';
    sed    = "s/^static struct tlb_pid_state/struct tlb_pid_state/";
    sed    = 's/^#include "r3_cpu\.h"$/#include <machine\/r3_cpu\.h>/';
    sed    = 's/^#include "r4_cpu\.h"$/#include <machine\/r4_cpu\.h>/';
    test_text =
    "static struct tlb_pid_state {\n"
    "#include \"r3_cpu.h\"\n";
};


/*
 *  Add once-only latch to Ultrix V4.3 strings.h.
 */
fix = {
    hackname = ultrix_strings;
    files  = strings.h;
    select = "@\\(#\\)strings\\.h.*6\\.1.*\\(ULTRIX\\)";
    c_fix  = wrap;
    test_text =
    "@(#)strings.h   6.1     (ULTRIX)\n";
};


/*
 *  Fix multiple defines for NULL.  Sometimes, we stumble into \r\n
 *  terminated lines, so accommodate these.  Test both ways.
 */
fix = {
    hackname  = undefine_null;
    select    = "^#[ \t]*define[ \t]+NULL[ \t]";
    bypass    = "#[ \t]*(ifn|un)def[ \t]+NULL($|[ \t\r])";

    c_fix     = format;
    c_fix_arg = "#ifndef NULL%2\n#define NULL%1%2\n#endif%2\n";
    c_fix_arg = "^#[ \t]*define[ \t]*[ \t]NULL([^\r\n]+)([\r]*)\n";

    test_text = "#define NULL 0UL\r\n#define NULL\t((void*)0)\n";
};

/*
 * On Cray Unicos/Mk some standard headers use the C99 keyword "restrict"
 * which must be replaced by __restrict__ for GCC.
 */
fix = {
    hackname = unicosmk_restrict;
    files    = stdio.h;
    files    = stdlib.h;
    files    = wchar.h;
    mach     = "*-*-unicosmk*";
    select   = "(\\*[ \t]*)restrict([ \t]+)";

    c_fix     = format;
    c_fix_arg = "%1__restrict__%2";

    test_text = "void f (char * restrict x);";
};

/*
 * If arpa/inet.h prototypes are incompatible with the ones we just
 * installed in <sys/byteorder.h>, just remove the protos.
 * Because of this close association, this patch must be applied only
 * on those systems where the replacement byteorder header is installed.
 */
fix = {
    hackname = uw7_byteorder_fix;
    files    = arpa/inet.h;
    select   = "in_port_t";
    test     = "-f sys/byteorder.h";
#ifndef SVR5
        mach = "*-*-sysv4*";
        mach = "i?86-*-sysv5*";
        mach = "i?86-*-udk*";
        mach = "i?86-*-solaris2.[0-4]";
        mach = "powerpcle-*-solaris2.[0-4]";
        mach = "sparc-*-solaris2.[0-4]";
#endif /* SVR5 */

    c_fix     = format;
    c_fix_arg = "";
    c_fix_arg = "^extern.*[ \t](htons|ntohs).*\\(in_port_t\\).*;";

    test_text = "extern in_port_t\thtons __P((in_port_t));\n"
                "extern in_port_t\tntohs __P((in_port_t));"
                "`[ ! -d $DESTDIR/sys ] && mkdir $DESTDIR/sys\n"
                "echo '/* DUMMY */' >> sys/byteorder.h`";
};


/*
 *  Fix definitions of macros used by va-i960.h in VxWorks header file.
 */
fix = {
    hackname  = va_i960_macro;
    files     = arch/i960/archI960.h;
    select    = "__(vsiz|vali|vpad|alignof__)";

    c_fix     = format;
    c_fix_arg = "__vx%1";

    test_text =
    "extern int __vsiz vsiz;\n"
    "extern int __vali vali;\n"
    "extern int __vpad vpad;\n"
    "#define __alignof__(x) ...";
};


/*
 *  AIX headers define NULL to be cast to a void pointer,
 *  which is illegal in ANSI C++.
 */
fix = {
    hackname  = void_null;
    files     = curses.h;
    files     = dbm.h;
    files     = locale.h;
    files     = stdio.h;
    files     = stdlib.h;
    files     = string.h;
    files     = time.h;
    files     = unistd.h;
    files     = sys/dir.h;
    files     = sys/param.h;
    files     = sys/types.h;
    select    = "^#[ \t]*define[ \t]+NULL[ \t]+\\(\\(void[ \t]*\\*\\)0\\)";
    c_fix     = format;
    c_fix_arg = "#define NULL 0";
    test_text = "# define\tNULL \t((void *)0)  /* typed NULL */";
};


/*
 *  Make VxWorks header which is almost gcc ready fully gcc ready.
 */
fix = {
    hackname = vxworks_gcc_problem;
    files    = types/vxTypesBase.h;
    select   = "__GNUC_TYPEOF_FEATURE_BROKEN_USE_DEFAULT_UNTIL_FIXED__";

    sed = "s/#ifdef __GNUC_TYPEOF_FEATURE_BROKEN_USE_DEFAULT_UNTIL_FIXED__/"
          "#if 1/";

    sed = "/[ \t]size_t/i\\\n"
        "#ifndef _GCC_SIZE_T\\\n"
        "#define _GCC_SIZE_T\n";

    sed = "/[ \t]size_t/a\\\n"
        "#endif\n";

    sed = "/[ \t]ptrdiff_t/i\\\n"
        "#ifndef _GCC_PTRDIFF_T\\\n"
        "#define _GCC_PTRDIFF_T\n";

    sed = "/[ \t]ptrdiff_t/a\\\n"
        "#endif\n";

    sed = "/[ \t]wchar_t/i\\\n"
        "#ifndef _GCC_WCHAR_T\\\n"
        "#define _GCC_WCHAR_T\n";

    sed = "/[ \t]wchar_t/a\\\n"
        "#endif\n";

    test_text =
    "#ifdef __GNUC_TYPEOF_FEATURE_BROKEN_USE_DEFAULT_UNTIL_FIXED__\n"
    "typedef unsigned int size_t;\n"
    "typedef long ptrdiff_t;\n"
    "typedef unsigned short wchar_t;\n"
    "#endif /* __GNUC_TYPEOF_FEATURE_BROKEN_USE_DEFAULT_UNTIL_FIXED__ */\n";
};


/*
 *  Fix VxWorks <time.h> to not require including <vxTypes.h>.
 */
fix = {
    hackname  = vxworks_needs_vxtypes;
    files     = time.h;
    select    = "uint_t([ \t]+_clocks_per_sec)";
    c_fix     = format;
    c_fix_arg = "unsigned int%1";
    test_text = "uint_t\t_clocks_per_sec;";
};


/*
 *  Fix VxWorks <sys/stat.h> to not require including <vxWorks.h>.
 */
fix = {
    hackname = vxworks_needs_vxworks;
    files    = sys/stat.h;
    test     = " -r types/vxTypesOld.h";
    test     = " -n \"`egrep '#include' $file`\"";
    test     = " -n \"`egrep ULONG $file`\"";
    select   = "#[ \t]define[ \t]+__INCstath";

    sed = "/#[ \t]define[ \t][ \t]*__INCstath/a\\\n"
          "#include <types/vxTypesOld.h>\n";

    test_text = "`touch types/vxTypesOld.h`"
    "#include </dev/null> /* ULONG */\n"
    "# define\t__INCstath <sys/stat.h>";
};


/*
 *  Another bad dependency in VxWorks 5.2 <time.h>.
 */
fix = {
    hackname = vxworks_time;
    files    = time.h;
    test     = " -r vxWorks.h";

    select    = "#[ \t]*define[ \t]+VOIDFUNCPTR[ \t].*";
    c_fix     = format;

    c_fix_arg =
    "#ifndef __gcc_VOIDFUNCPTR_defined\n"
    "#ifdef __cplusplus\n"
    "typedef void (*__gcc_VOIDFUNCPTR) (...);\n"
    "#else\n"
    "typedef void (*__gcc_VOIDFUNCPTR) ();\n"
    "#endif\n"
    "#define __gcc_VOIDFUNCPTR_defined\n"
    "#endif\n"
    "#define VOIDFUNCPTR __gcc_VOIDFUNCPTR";

    test_text = "`touch vxWorks.h`"
                "#define VOIDFUNCPTR (void(*)())";
};


/* 
 * WindISS math.h headers include bogus extern declarations of 
 * numerous math functions that conflict with libstdc++-v3.
 */
fix = {
    hackname  = windiss_math1;
    files     = math.h;
    mach      = "*-*-windiss";
    sed       = "s|inline long double cosl.*|#ifndef __GNUC__|";

    test_text = "inline long double cosl(long double);";
};

fix = {
    hackname  = windiss_math2;
    files     = math.h;
    mach      = "*-*-windiss";
    sed       = "s|/\\* long double declarations \\*/|"
                  "#endif /* __GNUC__ */|";

    test_text = "/* long double declarations */";
};

/*
 * WindISS headers include "diab/va_list.h" instead of "stdarg.h"
 */
fix = {
    select    = '(#include.*)diab/va_list.h';
    hackname  = windiss_valist;
    sed       = "s|diab/va_list.h|stdarg.h|";
    mach      = "*-*-windiss";

    test_text = "#include <diab/va_list.h>";
};

/*
 *  There are several name conflicts with C++ reserved words in X11 header
 *  files.  These are fixed in some versions, so don't do the fixes if
 *  we find __cplusplus in the file.  These were found on the RS/6000.
 */
fix = {
    hackname  = x11_class;
    files     = X11/ShellP.h;
    bypass    = __cplusplus;
    select    = "^([ \t]*char \\*)class;(.*)";
    c_fix     = format;
    c_fix_arg = "#ifdef __cplusplus\n%1c_class;%2\n"
                "#else\n%1class;%2\n#endif";
    test_text =
    "struct {\n"
    "   char *class;\n"
    "} mumble;\n";
};


/*
 *  class in Xm/BaseClassI.h
 */
fix = {
    hackname = x11_class_usage;
    files    = Xm/BaseClassI.h;
    bypass   = "__cplusplus";

    select    = " class\\)";
    c_fix     = format;
    c_fix_arg = " c_class)";

    test_text = "extern mumble (int  class);\n";
};


/*
 *  new in Xm/Traversal.h
 */
fix = {
    hackname = x11_new;
    files    = Xm/Traversal.h;
    bypass   = __cplusplus;

    sed      = "/Widget\told, new;/i\\\n"
                   "#ifdef __cplusplus\\\n"
                   "\tWidget\told, c_new;\\\n"
                   "#else\n";

    sed      = "/Widget\told, new;/a\\\n"
                   "#endif\n";

    sed      = "s/Widget new,/Widget c_new,/g";
    test_text =
    "struct wedge {\n"
    "   Widget\told, new; /* fixinc check FAILS ON BSD */\n"
    "};\nextern Wedged( Widget new, Widget old );";
};


/*
 *  Incorrect sprintf declaration in X11/Xmu.h
 */
fix = {
    hackname = x11_sprintf;
    files    = X11/Xmu.h;
    files    = X11/Xmu/Xmu.h;
    select   = "^extern char \\*\tsprintf\\(\\);$";

    c_fix     = format;
    c_fix_arg = "#ifndef __STDC__\n%0\n#endif /* !defined __STDC__ */";

    test_text = "extern char *\tsprintf();";
};

/*EOF*/