third_party/popt/system.h

   1 /**
   2  * \file popt/system.h
   3  */
   4
   5 #ifdef HAVE_CONFIG_H
   6 #include "config.h"
   7 #endif
   8
   9 #if defined (__GLIBC__) && defined(__LCLINT__)
  10 /*@-declundef@*/
  11 /*@unchecked@*/
  12 extern __const __int32_t *__ctype_tolower;
  13 /*@unchecked@*/
  14 extern __const __int32_t *__ctype_toupper;
  15 /*@=declundef@*/
  16 #endif
  17
  18 #include <ctype.h>
  19
  20 /* XXX isspace(3) has i18n encoding signednesss issues on Solaris. */
  21 #define _isspaceptr(_chp)       isspace((int)(*(unsigned char *)(_chp)))
  22
  23 #include <errno.h>
  24 #include <fcntl.h>
  25 #include <limits.h>
  26
  27 #ifdef HAVE_MCHECK_H
  28 #include <mcheck.h>
  29 #endif
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #if defined(HAVE_UNISTD_H) && !defined(__LCLINT__)
  36 #include <unistd.h>
  37 #endif
  38
  39 #ifdef __NeXT
  40 /* access macros are not declared in non posix mode in unistd.h -
  41  don't try to use posix on NeXTstep 3.3 ! */
  42 #include <libc.h>
  43 #endif
  44
  45 /*@-incondefs@*/
  46 /*@mayexit@*/ /*@only@*/ /*@out@*/ /*@unused@*/
  47 void * xmalloc (size_t size)
  48         /*@globals errno @*/
  49         /*@ensures maxSet(result) == (size - 1) @*/
  50         /*@modifies errno @*/;
  51
  52 /*@mayexit@*/ /*@only@*/ /*@unused@*/
  53 void * xcalloc (size_t nmemb, size_t size)
  54         /*@ensures maxSet(result) == (nmemb - 1) @*/
  55         /*@*/;
  56
  57 /*@mayexit@*/ /*@only@*/ /*@unused@*/
  58 void * xrealloc (/*@null@*/ /*@only@*/ void * ptr, size_t size)
  59         /*@ensures maxSet(result) == (size - 1) @*/
  60         /*@modifies *ptr @*/;
  61
  62 /*@mayexit@*/ /*@only@*/ /*@unused@*/
  63 char * xstrdup (const char *str)
  64         /*@*/;
  65 /*@=incondefs@*/
  66
  67 #if !defined(HAVE_STPCPY)
  68 /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST.  */
  69 static inline char * stpcpy (char *dest, const char * src) {
  70     register char *d = dest;
  71     register const char *s = src;
  72
  73     do
  74         *d++ = *s;
  75     while (*s++ != '\0');
  76     return d - 1;
  77 }
  78 #endif
  79
  80 /* Memory allocation via macro defs to get meaningful locations from mtrace() */
  81 #if defined(HAVE_MCHECK_H) && defined(__GNUC__)
  82 #define vmefail()       (fprintf(stderr, "virtual memory exhausted.\n"), exit(EXIT_FAILURE), NULL)
  83 #define xmalloc(_size)          (malloc(_size) ? : vmefail())
  84 #define xcalloc(_nmemb, _size)  (calloc((_nmemb), (_size)) ? : vmefail())
  85 #define xrealloc(_ptr, _size)   (realloc((_ptr), (_size)) ? : vmefail())
  86 #define xstrdup(_str)   (strcpy((malloc(strlen(_str)+1) ? : vmefail()), (_str)))
  87 #else
  88 #define xmalloc(_size)          malloc(_size)
  89 #define xcalloc(_nmemb, _size)  calloc((_nmemb), (_size))
  90 #define xrealloc(_ptr, _size)   realloc((_ptr), (_size))
  91 #define xstrdup(_str)   strdup(_str)
  92 #endif  /* defined(HAVE_MCHECK_H) && defined(__GNUC__) */
  93
  94 #if defined(HAVE___SECURE_GETENV) && !defined(__LCLINT__)
  95 #define getenv(_s)      __secure_getenv(_s)
  96 #endif
  97
  98 #if !defined(__GNUC__) && !defined(__attribute__)
  99 #define __attribute__(x)
 100 #endif
 101 #define UNUSED(x) x __attribute__((__unused__))
 102
 103 #include "popt.h"