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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libiberty/asprintf.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libiberty/asprintf.c')
| -rw-r--r-- | gcc-4.9/libiberty/asprintf.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc-4.9/libiberty/asprintf.c b/gcc-4.9/libiberty/asprintf.c new file mode 100644 index 000000000..961ad4dbb --- /dev/null +++ b/gcc-4.9/libiberty/asprintf.c @@ -0,0 +1,55 @@ +/* Like sprintf but provides a pointer to malloc'd storage, which must + be freed by the caller. + Copyright (C) 1997, 2003, 2013 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_list ap; + va_start (ap, fmt); + status = vasprintf (buf, fmt, ap); + va_end (ap); + return status; +} |
