1 files changed, 21 insertions, 0 deletions
diff --git a/src/stdio/vsscanf.c b/src/stdio/vsscanf.c
new file mode 100644
index 00000000..fd48f709
--- /dev/null
+++ b/src/stdio/vsscanf.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "__scanf.h"
+
+static void s_read(rctx_t *r)
+{
+	unsigned char *s = r->opaque;
+	if (!s[r->l]) r->c = -1;
+	else r->c = s[r->l++];
+}
+
+int vsscanf(const char *s, const char *fmt, va_list ap)
+{
+	size_t l = strlen(fmt), i;
+	wchar_t fmt2[l+1];
+	rctx_t r = { s_read, (void *)s, 0, isspace };
+	for (i=0; i<=l; i++) fmt2[i] = (unsigned char)fmt[i];
+	return __scanf(&r, fmt2, ap);
+}