forked from 131/lab5_ivec
49 lines
557 B
C
49 lines
557 B
C
#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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void *
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xmalloc(size_t sz)
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{
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void *res;
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res = malloc(sz);
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if (sz != 0 && res == NULL) {
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perror("malloc()");
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exit(EXIT_FAILURE);
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}
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return res;
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}
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void*
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xrealloc(void *ptr, size_t size)
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{
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void *res;
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res = realloc(ptr, size);
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if (size != 0 && res == NULL) {
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perror("realloc()");
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exit(EXIT_FAILURE);
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}
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return res;
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}
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void
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xfree(void *ptr)
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{
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if (ptr)
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free(ptr);
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}
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void
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xerror(int rc, char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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exit(rc);
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}
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