1 files changed, 26 insertions, 0 deletions
diff --git a/sys/libfmt/vesprint.c b/sys/libfmt/vesprint.c
new file mode 100644
index 0000000..18f4dd2
--- /dev/null
+++ b/sys/libfmt/vesprint.c
@@ -0,0 +1,26 @@
+#include "internal.h"
+
+char*
+fmt·vesprint(char *buf, char *end, char *fmt, va_list args)
+{
+    fmt·State io;
+
+    if(end <= buf)
+        return nil;
+
+    io.n = 0;
+    io.buffer.beg = io.buffer.cur = buf;
+    io.buffer.end = end-1;
+    io.flush = nil;
+    io.file  = nil;
+
+    va_copy(io.args, args);
+
+    fmt·setlocale(&io, nil, nil, nil);
+    fmt·do(&io, fmt);
+
+    va_end(io.args);
+
+    *(io.buffer.cur) = 0;
+    return io.buffer.cur;
+}