summaryrefslogtreecommitdiff
path: root/lib/unistdio/u-vasprintf.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/unistdio/u-vasprintf.h')
-rw-r--r--lib/unistdio/u-vasprintf.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/unistdio/u-vasprintf.h b/lib/unistdio/u-vasprintf.h
new file mode 100644
index 00000000..965bfbf5
--- /dev/null
+++ b/lib/unistdio/u-vasprintf.h
@@ -0,0 +1,35 @@
+/* Formatted output to strings.
+ Copyright (C) 1999, 2002, 2006-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+int
+VASPRINTF (DCHAR_T **resultp, const FCHAR_T *format, va_list args)
+{
+ size_t length;
+ DCHAR_T *result = VASNPRINTF (NULL, &length, format, args);
+ if (result == NULL)
+ return -1;
+
+ if (length > INT_MAX)
+ {
+ free (result);
+ errno = EOVERFLOW;
+ return -1;
+ }
+
+ *resultp = result;
+ /* Return the number of resulting units, excluding the trailing NUL. */
+ return length;
+}