78 lines
1.0 KiB
C
78 lines
1.0 KiB
C
#include "fitz.h"
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void *
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fz_malloc(int size)
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{
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void *p = malloc(size);
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if (!p)
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{
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fprintf(stderr, "fatal error: out of memory\n");
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abort();
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}
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return p;
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}
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void *
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fz_calloc(int count, int size)
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{
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void *p;
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if (count == 0 || size == 0)
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return 0;
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if (count < 0 || size < 0 || count > INT_MAX / size)
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{
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fprintf(stderr, "fatal error: out of memory (integer overflow)\n");
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abort();
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}
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p = malloc(count * size);
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if (!p)
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{
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fprintf(stderr, "fatal error: out of memory\n");
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abort();
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}
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return p;
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}
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void *
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fz_realloc(void *p, int count, int size)
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{
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void *np;
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if (count == 0 || size == 0)
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{
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fz_free(p);
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return 0;
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}
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if (count < 0 || size < 0 || count > INT_MAX / size)
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{
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fprintf(stderr, "fatal error: out of memory (integer overflow)\n");
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abort();
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}
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np = realloc(p, count * size);
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if (np == NULL)
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{
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fprintf(stderr, "fatal error: out of memory\n");
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abort();
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}
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return np;
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}
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void
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fz_free(void *p)
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{
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free(p);
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}
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char *
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fz_strdup(char *s)
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{
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int len = strlen(s) + 1;
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char *ns = fz_malloc(len);
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memcpy(ns, s, len);
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return ns;
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}
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