96 lines
1.6 KiB
C
96 lines
1.6 KiB
C
/* xalloc.c
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*
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* Copyright (C) 2010 Henrik Hautakoski <henrik@fiktivkod.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "util.h"
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#include "xalloc.h"
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#define CHECK(expr) \
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if (!(expr)) \
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goto bail
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#define CHECK_SET_ERRNO(expr, no) \
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if (!(expr)) { \
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errno = no; \
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goto bail; \
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}
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#ifdef __DEBUG__
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# define CHECK_INPUT(s) CHECK_SET_ERRNO(s, EINVAL)
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#else
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# define CHECK_INPUT(s)
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#endif
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void* xmalloc(size_t size) {
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CHECK_INPUT(size);
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void *ptr = malloc(size);
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CHECK(ptr);
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return ptr;
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bail:
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die_errno("xmalloc");
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}
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void* xmallocz(size_t size) {
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CHECK_INPUT(size);
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void *ptr = malloc(size);
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CHECK(ptr);
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memset(ptr, 0, size);
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return ptr;
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bail:
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die_errno("xmallocz");
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}
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void* xrealloc(void *ptr, size_t size) {
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CHECK_INPUT(size);
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ptr = realloc(ptr, size);
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CHECK(ptr);
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return ptr;
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bail:
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die_errno("xrealloc");
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}
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char* xstrdup(const char *s) {
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CHECK_INPUT(s);
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char *c = strdup(s);
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CHECK(c);
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return c;
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bail:
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die_errno("xstrdup");
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}
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void* xmemdup(const void *src, size_t size) {
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CHECK_INPUT(src);
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void *dest = xmalloc(size);
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memcpy(dest, src, size);
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return dest;
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bail:
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die_errno("xmemdup");
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}
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void xfree(void *ptr) {
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CHECK_INPUT(ptr);
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free(ptr);
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return;
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bail:
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die_errno("xfree");
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}
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