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authorLorry Tar Creator <lorry-tar-importer@baserock.org>2014-12-24 07:38:37 +0000
committer <>2015-02-02 12:02:29 +0000
commit482840e61f86ca321838a91e902c41d40c098bbb (patch)
tree01ea2e242fd2792d19fe192476601587901db794 /gettext-runtime/intl/vasnprintf.h
downloadgettext-tarball-482840e61f86ca321838a91e902c41d40c098bbb.tar.gz
Imported from /home/lorry/working-area/delta_gettext-tarball/gettext-0.19.4.tar.xz.gettext-0.19.4
Diffstat (limited to 'gettext-runtime/intl/vasnprintf.h')
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diff --git a/gettext-runtime/intl/vasnprintf.h b/gettext-runtime/intl/vasnprintf.h
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+/* vsprintf with automatic memory allocation.
+ Copyright (C) 2002-2004, 2012 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 2.1 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/>. */
+
+#ifndef _VASNPRINTF_H
+#define _VASNPRINTF_H
+
+/* Get va_list. */
+#include <stdarg.h>
+
+/* Get size_t. */
+#include <stddef.h>
+
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# define __attribute__(Spec) /* empty */
+# endif
+/* The __-protected variants of 'format' and 'printf' attributes
+ are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Write formatted output to a string dynamically allocated with malloc().
+ You can pass a preallocated buffer for the result in RESULTBUF and its
+ size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
+ If successful, return the address of the string (this may be = RESULTBUF
+ if no dynamic memory allocation was necessary) and set *LENGTHP to the
+ number of resulting bytes, excluding the trailing NUL. Upon error, set
+ errno and return NULL.
+
+ When dynamic memory allocation occurs, the preallocated buffer is left
+ alone (with possibly modified contents). This makes it possible to use
+ a statically allocated or stack-allocated buffer, like this:
+
+ char buf[100];
+ size_t len = sizeof (buf);
+ char *output = vasnprintf (buf, &len, format, args);
+ if (output == NULL)
+ ... error handling ...;
+ else
+ {
+ ... use the output string ...;
+ if (output != buf)
+ free (output);
+ }
+ */
+extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 3, 4)));
+extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 3, 0)));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _VASNPRINTF_H */