feat: libfmt prototype added from plan9

1 files changed, 16 insertions, 0 deletions

diff --git a/sys/libfmt/locale.c b/sys/libfmt/locale.c
new file mode 100644
index 0000000..437c61e
--- /dev/null
+++ b/sys/libfmt/locale.c
@@ -0,0 +1,16 @@
+#include "internal.h"
+
+void
+fmt·setlocale(fmt·State *io, char *decimal, char *thousands, char *groups)
+{
+    if(decimal == nil || decimal[0] == '\0')
+        decimal = ".";
+    if(thousands == nil)
+        thousands = ",";
+    if(groups == nil)
+        groups = "\3";
+
+    io->groups    = groups;
+    io->decimal   = decimal;
+    io->thousands = thousands;
+}