1999-09-23 00:34:08 +08:00
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#include "system.h"
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2000-04-13 18:41:31 +08:00
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#if !defined(EXIT_FAILURE)
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#define EXIT_FAILURE 1
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#endif
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2000-04-26 03:41:37 +08:00
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void *vmefail(size_t size)
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1999-09-23 00:34:08 +08:00
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{
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2000-04-26 03:41:37 +08:00
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fprintf(stderr, _("memory alloc (%u bytes) returned NULL.\n"), size);
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1999-09-29 23:59:55 +08:00
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exit(EXIT_FAILURE);
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/*@notreached@*/
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1999-09-23 00:34:08 +08:00
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return NULL;
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}
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#if !(HAVE_MCHECK_H && defined(__GNUC__))
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void * xmalloc (size_t size)
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{
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2000-03-01 07:22:44 +08:00
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register void *value;
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if (size == 0) size++;
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value = malloc (size);
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1999-09-23 00:34:08 +08:00
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if (value == 0)
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2000-04-26 03:41:37 +08:00
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value = vmefail(size);
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1999-09-23 00:34:08 +08:00
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return value;
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}
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void * xcalloc (size_t nmemb, size_t size)
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{
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2000-03-01 07:22:44 +08:00
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register void *value;
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if (size == 0) size++;
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if (nmemb == 0) nmemb++;
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value = calloc (nmemb, size);
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1999-09-23 00:34:08 +08:00
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if (value == 0)
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2000-04-26 03:41:37 +08:00
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value = vmefail(size);
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1999-09-23 00:34:08 +08:00
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return value;
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}
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void * xrealloc (void *ptr, size_t size)
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{
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2000-03-01 07:22:44 +08:00
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register void *value;
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if (size == 0) size++;
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value = realloc (ptr, size);
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1999-09-23 00:34:08 +08:00
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if (value == 0)
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2000-04-26 03:41:37 +08:00
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value = vmefail(size);
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1999-09-23 00:34:08 +08:00
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return value;
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}
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char * xstrdup (const char *str)
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{
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2000-04-26 03:41:37 +08:00
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size_t size = strlen(str) + 1;
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char *newstr = (char *) malloc (size);
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1999-09-23 00:34:08 +08:00
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if (newstr == 0)
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2000-04-26 03:41:37 +08:00
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newstr = (char *) vmefail(size);
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1999-09-23 00:34:08 +08:00
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strcpy (newstr, str);
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return newstr;
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}
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#endif /* !(HAVE_MCHECK_H && defined(__GNUC__)) */
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