77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
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/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.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 2 of the License, or
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* (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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "Alloc.hxx"
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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gcc_noreturn
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static void
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oom()
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{
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(void)write(STDERR_FILENO, "Out of memory\n", 14);
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_exit(1);
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}
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void *
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xalloc(size_t size)
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{
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void *p = malloc(size);
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if (gcc_unlikely(p == nullptr))
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oom();
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return p;
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}
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void *
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xmemdup(const void *s, size_t size)
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{
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void *p = xalloc(size);
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memcpy(p, s, size);
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return p;
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}
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char *
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xstrdup(const char *s)
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{
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char *p = strdup(s);
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if (gcc_unlikely(p == nullptr))
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oom();
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return p;
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}
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char *
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xstrndup(const char *s, size_t n)
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{
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#ifdef WIN32
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char *p = (char *)xalloc(n + 1);
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memcpy(p, s, n);
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p[n] = 0;
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#else
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char *p = strndup(s, n);
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if (gcc_unlikely(p == nullptr))
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oom();
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#endif
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return p;
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}
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