107 lines
1.9 KiB
C
107 lines
1.9 KiB
C
///////////////////////////////////////////////////////////////////////////////
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//
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/// \file alloc.c
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/// \brief Memory allocation functions
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//
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// Copyright (C) 2007 Lasse Collin
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "private.h"
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/// Called when memory allocation fails. Prints and error message and
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/// quits the application.
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static void lzma_attribute((noreturn))
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xerror(void)
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{
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errmsg(V_ERROR, "%s", strerror(errno));
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my_exit(ERROR);
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}
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extern void *
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xmalloc(size_t size)
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{
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if (size < 1) {
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errno = EINVAL;
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xerror();
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}
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void *p = malloc(size);
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if (p == NULL)
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xerror();
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return p;
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}
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/*
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extern void *
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xrealloc(void *ptr, size_t size)
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{
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if (size < 1) {
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errno = EINVAL;
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xerror();
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}
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ptr = realloc(ptr, size);
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if (ptr == NULL)
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xerror();
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return ptr;
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}
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*/
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extern char *
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xstrdup(const char *src)
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{
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if (src == NULL) {
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errno = EINVAL;
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xerror();
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}
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const size_t size = strlen(src) + 1;
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char *dest = malloc(size);
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if (dest == NULL)
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xerror();
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memcpy(dest, src, size);
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return dest;
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}
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extern void
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xstrcpy(char **dest, const char *src)
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{
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size_t len = strlen(src) + 1;
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*dest = realloc(*dest, len);
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if (*dest == NULL)
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xerror();
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memcpy(*dest, src, len + 1);
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return;
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}
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extern void *
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allocator(void *opaque lzma_attribute((unused)),
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size_t nmemb lzma_attribute((unused)), size_t size)
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{
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return xmalloc(size);
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}
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