popt  1.13
system.h
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1 
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 #ifdef HAVE_UNISTD_H
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 /* Memory allocation via macro defs to get meaningful locations from mtrace() */
68 #if defined(HAVE_MCHECK_H) && defined(__GNUC__)
69 #define vmefail() (fprintf(stderr, "virtual memory exhausted.\n"), exit(EXIT_FAILURE), NULL)
70 #define xmalloc(_size) (malloc(_size) ? : vmefail())
71 #define xcalloc(_nmemb, _size) (calloc((_nmemb), (_size)) ? : vmefail())
72 #define xrealloc(_ptr, _size) (realloc((_ptr), (_size)) ? : vmefail())
73 #define xstrdup(_str) (strcpy((malloc(strlen(_str)+1) ? : vmefail()), (_str)))
74 #else
75 #define xmalloc(_size) malloc(_size)
76 #define xcalloc(_nmemb, _size) calloc((_nmemb), (_size))
77 #define xrealloc(_ptr, _size) realloc((_ptr), (_size))
78 #define xstrdup(_str) strdup(_str)
79 #endif /* defined(HAVE_MCHECK_H) && defined(__GNUC__) */
80 
81 #if defined(HAVE___SECURE_GETENV) && !defined(__LCLINT__)
82 #define getenv(_s) __secure_getenv(_s)
83 #endif
84 
85 #include "popt.h"

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