lib/popt/system.h

   1 #ifdef HAVE_CONFIG_H
   2 #include "config.h"
   3 #endif
   4
   5 #if defined (__GLIBC__) && defined(__LCLINT__)
   6 /*@-declundef@*/
   7 /*@unchecked@*/
   8 extern __const __int32_t *__ctype_tolower;
   9 /*@unchecked@*/
  10 extern __const __int32_t *__ctype_toupper;
  11 /*@=declundef@*/
  12 #endif
  13
  14 #include <ctype.h>
  15
  16 #include <errno.h>
  17 #include <fcntl.h>
  18 #include <limits.h>
  19
  20 #if HAVE_MCHECK_H
  21 #include <mcheck.h>
  22 #endif
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 #if HAVE_UNISTD_H
  29 #include <unistd.h>
  30 #endif
  31
  32 #ifdef __NeXT
  33 /* access macros are not declared in non posix mode in unistd.h -
  34  don't try to use posix on NeXTstep 3.3 ! */
  35 #include <libc.h>
  36 #endif
  37
  38 #if defined(__LCLINT__)
  39 /*@-declundef -incondefs -redecl@*/ /* LCL: missing annotation */
  40 /*@only@*/ void * alloca (size_t __size)
  41         /*@ensures MaxSet(result) == (__size - 1) @*/
  42         /*@*/;
  43 /*@=declundef =incondefs =redecl@*/
  44 #endif
  45
  46 /* AIX requires this to be the first thing in the file.  */
  47 #ifndef __GNUC__
  48 # if HAVE_ALLOCA_H
  49 #  include <alloca.h>
  50 # else
  51 #  ifdef _AIX
  52 #pragma alloca
  53 #  else
  54 #   ifndef alloca /* predefined by HP cc +Olibcalls */
  55 char *alloca ();
  56 #   endif
  57 #  endif
  58 # endif
  59 #elif defined(__GNUC__) && defined(__STRICT_ANSI__)
  60 #define alloca __builtin_alloca
  61 #elif defined(__GNUC__) && defined(HAVE_ALLOCA_H)
  62 # include <alloca.h>
  63 #endif
  64
  65 /*@-redecl -redef@*/
  66 /*@mayexit@*/ /*@only@*/ char * xstrdup (const char *str)
  67         /*@*/;
  68 /*@=redecl =redef@*/
  69
  70 #if HAVE_MCHECK_H && defined(__GNUC__)
  71 #define vmefail()       (fprintf(stderr, "virtual memory exhausted.\n"), exit(EXIT_FAILURE), NULL)
  72 #define xstrdup(_str)   (strcpy((malloc(strlen(_str)+1) ? : vmefail()), (_str)))
  73 #else
  74 #define xstrdup(_str)   strdup(_str)
  75 #endif  /* HAVE_MCHECK_H && defined(__GNUC__) */
  76
  77
  78 #include "popt.h"