gcc/fixinc/fixlib.h

   1
   2 /* Install modified versions of certain ANSI-incompatible system header
   3    files which are fixed to work correctly with ANSI C and placed in a
   4    directory that GNU C will search.
   5
   6    Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
   7
   8 This file is part of GNU CC.
   9
  10 GNU CC is free software; you can redistribute it and/or modify
  11 it under the terms of the GNU General Public License as published by
  12 the Free Software Foundation; either version 2, or (at your option)
  13 any later version.
  14
  15 GNU CC is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with GNU CC; see the file COPYING.  If not, write to
  22 the Free Software Foundation, 59 Temple Place - Suite 330,
  23 Boston, MA 02111-1307, USA.  */
  24
  25 #ifndef FIXINCLUDES_FIXLIB_H
  26 #define FIXINCLUDES_FIXLIB_H
  27
  28 #include "auto-host.h"
  29 #include "ansidecl.h"
  30 #include "system.h"
  31
  32 #include "gnu-regex.h"
  33 #include "machname.h"
  34 #include "libiberty.h"
  35
  36 #ifndef STDIN_FILENO
  37 # define STDIN_FILENO   0
  38 #endif
  39 #ifndef STDOUT_FILENO
  40 # define STDOUT_FILENO  1
  41 #endif
  42
  43 typedef int t_success;
  44
  45 #define FAILURE         (-1)
  46 #define SUCCESS           0
  47 #define PROBLEM           1
  48
  49 #define SUCCEEDED(p)    ((p) == SUCCESS)
  50 #define SUCCESSFUL(p)   SUCCEEDED (p)
  51 #define FAILED(p)       ((p) < SUCCESS)
  52 #define HADGLITCH(p)    ((p) > SUCCESS)
  53
  54 #ifndef DEBUG
  55 # define STATIC static
  56 #else
  57 # define STATIC
  58 #endif
  59
  60 #define tSCC static const char
  61 #define tCC  const char
  62 #define tSC  static char
  63
  64 /* If this particular system's header files define the macro `MAXPATHLEN',
  65    we happily take advantage of it; otherwise we use a value which ought
  66    to be large enough.  */
  67 #ifndef MAXPATHLEN
  68 # define MAXPATHLEN     4096
  69 #endif
  70
  71 #ifndef EXIT_SUCCESS
  72 # define EXIT_SUCCESS 0
  73 #endif
  74 #ifndef EXIT_FAILURE
  75 # define EXIT_FAILURE 1
  76 #endif
  77
  78 #define EXIT_BROKEN  3
  79
  80 #define NUL             '\0'
  81
  82 #ifndef NOPROCESS
  83 #define NOPROCESS       ((pid_t) -1)
  84 #define NULLPROCESS     ((pid_t)0)
  85
  86 #define EXIT_PANIC      99
  87 #endif /* NOPROCESS */
  88
  89 #define IGNORE_ARG(a)   ((void)(a))
  90
  91 typedef enum t_bool
  92 {
  93   BOOL_FALSE, BOOL_TRUE
  94 } t_bool;
  95
  96 typedef int apply_fix_p_t;  /* Apply Fix Predicate Type */
  97
  98 #define APPLY_FIX 0
  99 #define SKIP_FIX  1
 100
 101 #define ENV_TABLE                                    \
 102   _ENV_( pz_machine,   BOOL_TRUE, "TARGET_MACHINE",  \
 103          "output from config.guess" )                \
 104                                                      \
 105   _ENV_( pz_orig_dir,  BOOL_TRUE, "ORIGDIR",         \
 106          "directory of fixincl and applyfix" )       \
 107                                                      \
 108   _ENV_( pz_src_dir,   BOOL_TRUE, "SRCDIR",          \
 109          "directory of original files" )             \
 110                                                      \
 111   _ENV_( pz_input_dir, BOOL_TRUE, "INPUT",           \
 112          "current directory for fixincl" )           \
 113                                                      \
 114   _ENV_( pz_dest_dir,  BOOL_TRUE, "DESTDIR",         \
 115          "output directory" )                        \
 116                                                      \
 117   _ENV_( pz_verbose,  BOOL_FALSE, "VERBOSE",         \
 118          "amount of user entertainment" )            \
 119                                                      \
 120   _ENV_( pz_find_base, BOOL_TRUE, "FIND_BASE",       \
 121          "leader to trim from file names" )
 122
 123 /*  Test Descriptor
 124
 125     Each fix may have associated tests that determine
 126     whether the fix needs to be applied or not.
 127     Each test has a type (from the te_test_type enumeration);
 128     associated test text; and, if the test is TT_EGREP or
 129     the negated form TT_NEGREP, a pointer to the compiled
 130     version of the text string.
 131
 132     */
 133 typedef enum
 134 {
 135   TT_TEST, TT_EGREP, TT_NEGREP, TT_FUNCTION
 136 } te_test_type;
 137
 138 typedef struct test_desc tTestDesc;
 139
 140 struct test_desc
 141 {
 142   te_test_type type;
 143   const char *pz_test_text;
 144   regex_t *p_test_regex;
 145 };
 146
 147 typedef struct patch_desc tPatchDesc;
 148
 149 /*  Fix Descriptor
 150
 151     Everything you ever wanted to know about how to apply
 152     a particular fix (which files, how to qualify them,
 153     how to actually make the fix, etc...)
 154
 155     NB:  the FD_ defines are BIT FLAGS, even though
 156          some are mutually exclusive
 157
 158     */
 159 #define FD_MACH_ONLY      0x0000
 160 #define FD_MACH_IFNOT     0x0001
 161 #define FD_SHELL_SCRIPT   0x0002
 162 #define FD_SUBROUTINE     0x0004
 163 #define FD_REPLACEMENT    0x0008
 164 #define FD_SKIP_TEST      0x8000
 165
 166 typedef struct fix_desc tFixDesc;
 167 struct fix_desc
 168 {
 169   tCC*        fix_name;       /* Name of the fix */
 170   tCC*        file_list;      /* List of files it applies to */
 171   tCC**       papz_machs;     /* List of machine/os-es it applies to */
 172   int         test_ct;
 173   int         fd_flags;
 174   tTestDesc*  p_test_desc;
 175   tCC**       patch_args;
 176   long        unused;
 177 };
 178
 179 typedef struct {
 180   int         type_name_len;
 181   tCC*        pz_type;
 182   tCC*        pz_TYPE;
 183   tCC*        pz_gtype;
 184 } t_gnu_type_map;
 185
 186 extern int gnu_type_map_ct;
 187
 188 #ifdef HAVE_MMAP_FILE
 189 #define UNLOAD_DATA() do { if (curr_data_mapped) { \
 190   munmap ((void*)pz_curr_data, data_map_size); close (data_map_fd); } \
 191   else free ((void*)pz_curr_data); } while(0)
 192 #else
 193 #define UNLOAD_DATA() free ((void*)pz_curr_data)
 194 #endif
 195
 196 /*
 197  *  Exported procedures
 198  */
 199 char * load_file_data PARAMS(( FILE* fp ));
 200
 201 #ifdef IS_CXX_HEADER_NEEDED
 202 t_bool is_cxx_header  PARAMS(( tCC* filename, tCC* filetext ));
 203 #endif /* IS_CXX_HEADER_NEEDED */
 204
 205 #ifdef SKIP_QUOTE_NEEDED
 206 tCC*   skip_quote  PARAMS(( char  q, char* text ));
 207 #endif
 208
 209 void   compile_re  PARAMS(( tCC* pat, regex_t* re, int match,
 210                             tCC *e1, tCC *e2 ));
 211
 212 void   apply_fix   PARAMS(( tFixDesc* p_fixd, tCC* filname ));
 213 apply_fix_p_t
 214        run_test    PARAMS(( tCC* t_name, tCC* f_name, tCC* text ));
 215
 216 #ifdef SEPARATE_FIX_PROC
 217 char*  make_raw_shell_str
 218                    PARAMS(( char* pz_d, tCC* pz_s, size_t smax ));
 219 #endif
 220
 221 #ifdef MN_NAME_PAT
 222 void   mn_get_regexps
 223                    PARAMS(( regex_t** label_re, regex_t** name_re,
 224                             tCC *who ));
 225 #endif
 226 #endif /* FIXINCLUDES_FIXLIB_H */