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author | kan <kan@FreeBSD.org> | 2007-05-19 01:27:20 +0000 |
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committer | kan <kan@FreeBSD.org> | 2007-05-19 01:27:20 +0000 |
commit | 97ee9c3f29d2708e2a9383c5bfe5a3dd7dfe60dd (patch) | |
tree | e78bbacd6aa94e5c274d08bf2fa679b26cbf6b58 /contrib/gcclibs/libiberty/asprintf.c | |
parent | 7d2f610e8aa1acfb76e67a4f7e95319fda7f50b6 (diff) | |
download | FreeBSD-src-97ee9c3f29d2708e2a9383c5bfe5a3dd7dfe60dd.zip FreeBSD-src-97ee9c3f29d2708e2a9383c5bfe5a3dd7dfe60dd.tar.gz |
GCC 4.2.0 release miscellaneous support libraries.
Diffstat (limited to 'contrib/gcclibs/libiberty/asprintf.c')
-rw-r--r-- | contrib/gcclibs/libiberty/asprintf.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/contrib/gcclibs/libiberty/asprintf.c b/contrib/gcclibs/libiberty/asprintf.c new file mode 100644 index 0000000..3cf5052 --- /dev/null +++ b/contrib/gcclibs/libiberty/asprintf.c @@ -0,0 +1,56 @@ +/* Like sprintf but provides a pointer to malloc'd storage, which must + be freed by the caller. + Copyright (C) 1997, 2003 Free Software Foundation, Inc. + Contributed by Cygnus Solutions. + +This file is part of the libiberty library. +Libiberty is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public +License as published by the Free Software Foundation; either +version 2 of the License, or (at your option) any later version. + +Libiberty is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with libiberty; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, +Boston, MA 02110-1301, USA. */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include "ansidecl.h" +#include "libiberty.h" + +#include <stdarg.h> + +/* + +@deftypefn Extension int asprintf (char **@var{resptr}, const char *@var{format}, ...) + +Like @code{sprintf}, but instead of passing a pointer to a buffer, you +pass a pointer to a pointer. This function will compute the size of +the buffer needed, allocate memory with @code{malloc}, and store a +pointer to the allocated memory in @code{*@var{resptr}}. The value +returned is the same as @code{sprintf} would return. If memory could +not be allocated, minus one is returned and @code{NULL} is stored in +@code{*@var{resptr}}. + +@end deftypefn + +*/ + +int +asprintf (char **buf, const char *fmt, ...) +{ + int status; + VA_OPEN (ap, fmt); + VA_FIXEDARG (ap, char **, buf); + VA_FIXEDARG (ap, const char *, fmt); + status = vasprintf (buf, fmt, ap); + VA_CLOSE (ap); + return status; +} |