popt/system.h

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