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/*-*- Mode: C; c-basic-offset: 8 -*-*/
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/***
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This file is part of libcanberra.
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Copyright 2008 Lennart Poettering
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libcanberra is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 2.1 of the
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License, or (at your option) any later version.
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libcanberra is distributed in the hope that it will be useful, but
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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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You should have received a copy of the GNU Lesser General Public
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License along with libcanberra. If not, see
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<http://www.gnu.org/licenses/>.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include "malloc.h"
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#include "macro.h"
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void* ca_memdup(const void* p, size_t size) {
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void *r;
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ca_assert(p);
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if (!(r = ca_malloc(size)))
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return NULL;
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memcpy(r, p, size);
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return r;
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}
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char *ca_sprintf_malloc(const char *format, ...) {
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size_t size = 100;
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char *c = NULL;
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ca_assert(format);
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for(;;) {
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int r;
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va_list ap;
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ca_free(c);
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if (!(c = ca_new(char, size)))
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return NULL;
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va_start(ap, format);
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r = vsnprintf(c, size, format, ap);
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va_end(ap);
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c[size-1] = 0;
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if (r > -1 && (size_t) r < size)
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return c;
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if (r > -1) /* glibc 2.1 */
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size = (size_t) r+1;
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else /* glibc 2.0 */
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size *= 2;
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}
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}
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#ifndef HAVE_STRNDUP
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char *ca_strndup(const char *s, size_t n) {
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size_t n_avail;
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char *p;
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if (!s)
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return NULL;
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if (memchr(s, '\0', n)) {
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n_avail = strlen(s);
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if (n_avail > n)
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n_avail = n;
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} else
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n_avail = n;
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if (!(p = ca_new(char, n_avail + 1)))
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return NULL;
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memcpy(p, s, n_avail);
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p[n_avail] = '\0';
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return p;
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}
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#endif
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