summaryrefslogtreecommitdiff
path: root/lib/asprintf.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/asprintf.c')
-rw-r--r--lib/asprintf.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/asprintf.c b/lib/asprintf.c
new file mode 100644
index 000000000..aecfa9141
--- /dev/null
+++ b/lib/asprintf.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2006 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any
+ * later version.
+ *
+ * xine 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 General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ */
+
+#include "config.h"
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+int _xine_private_vasprintf (char **buffer, const char *format, va_list ap)
+{
+ char *buf = NULL;
+ int size = 128;
+
+ for (;;)
+ {
+ int ret;
+ va_list cp;
+ char *newbuf = realloc (buf, size *= 2);
+ if (!newbuf)
+ {
+ free (buf);
+ return -1;
+ }
+ buf = newbuf;
+
+ va_copy (cp, ap);
+ ret = vsnprintf (buf, size, format, cp);
+ va_end (cp);
+
+ if (ret >= 0 && ret < size)
+ {
+ *buffer = realloc (buf, ret + 1);
+ return ret;
+ }
+ }
+}
+
+int _xine_private_asprintf (char **buffer, const char *format, ...)
+{
+ int ret;
+ va_list ap;
+ va_start (ap, format);
+ ret = _xine_private_vasprintf (buffer, format, ap);
+ va_end (ap);
+ return ret;
+}