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62 lines
1.4 KiB
62 lines
1.4 KiB
8 years ago
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/*
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* asprintf - Incenp.org Notch Library: (v)asprintf replacement
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* Copyright (C) 2011 Damien Goutte-Gattat
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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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* 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
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* along with this program. If not, see <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 <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <errno.h>
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int
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vasprintf(char **strp, const char *fmt, va_list ap)
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{
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int n;
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va_list aq;
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if ( ! strp ) {
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errno = EINVAL;
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return -1;
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}
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n = vsnprintf(NULL, 0, fmt, ap) + 1;
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if ( ! (*strp = malloc(n)) )
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return -1;
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va_copy(ap, aq);
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n = vsnprintf(*strp, n, fmt, aq);
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va_end(aq);
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return n;
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}
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int
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asprintf(char **strp, const char *fmt, ...)
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{
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int n;
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va_list ap;
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va_start(ap, fmt);
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n = vasprintf(strp, fmt, ap);
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va_end(ap);
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return n;
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}
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