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Diffstat (limited to 'src/stdio/vfwscanf.c')
-rw-r--r--src/stdio/vfwscanf.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/stdio/vfwscanf.c b/src/stdio/vfwscanf.c
new file mode 100644
index 00000000..491c1403
--- /dev/null
+++ b/src/stdio/vfwscanf.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <wchar.h>
+#include <wctype.h>
+
+#include "stdio_impl.h"
+#include "__scanf.h"
+
+static void f_read(rctx_t *r)
+{
+ FILE *f = r->opaque;
+ if ((r->c = fgetwc(f)) >= 0) r->l++;
+}
+
+int vfwscanf(FILE *f, const wchar_t *fmt, va_list ap)
+{
+ rctx_t r = { f_read, (void *)f, 1, iswspace };
+ int result;
+
+ result = __scanf(&r, fmt, ap);
+
+ if (r.u && r.c >= 0) {
+ ungetwc(r.c, f);
+ }
+
+ return result;
+}