1 files changed, 26 insertions, 0 deletions
diff --git a/vasprintf.c b/vasprintf.c
new file mode 100644
index 0000000..59fb190
--- /dev/null
+++ b/vasprintf.c
@@ -0,0 +1,26 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+
+
+int
+libsimple_vasprintf(char **strp, const char *fmt, va_list ap)
+{
+	FILE *fp;
+	size_t siz = 0;
+	int ret;
+	*strp = NULL;
+	fp = open_memstream(strp, &siz);
+	if (!fp)
+		goto fail;
+	ret = vfprintf(fp, fmt, ap);
+	if (ret < 0)
+		goto fail;
+	if (fputc(0, fp))
+		goto fail;
+	fclose(fp);
+	return ret;
+fail:
+	free(*strp);
+	*strp = NULL;
+	return -1;
+}