From b7cefe4b6ea258ac4258d24c88746933432ab32d Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Wed, 18 Jun 2008 20:12:19 +0000 Subject: NO_ASPRINTF. --- compat/asprintf.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 compat/asprintf.c (limited to 'compat/asprintf.c') diff --git a/compat/asprintf.c b/compat/asprintf.c new file mode 100644 index 00000000..1f157046 --- /dev/null +++ b/compat/asprintf.c @@ -0,0 +1,56 @@ +/* $Id: asprintf.c,v 1.1 2008-06-18 20:12:19 nicm Exp $ */ + +/* + * Copyright (c) 2006 Nicholas Marriott + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include + +#include "tmux.h" + +int +asprintf(char **ret, const char *format, ...) +{ + va_list ap; + int n; + + va_start(ap, format); + n = vasprintf(ret, format, ap); + va_end(ap); + + return (n); +} + +int +vasprintf(char **ret, const char *format, va_list ap) +{ + int n; + + if ((n = vsnprintf(NULL, 0, format, ap)) < 0) + goto error; + + *ret = xmalloc(n + 1); + if ((n = vsnprintf(*ret, n + 1, format, ap)) < 0) { + xfree(*ret); + goto error; + } + + return (n); + +error: + *ret = NULL; + return (-1); +} -- cgit