Add fpconv to work around comma decimal points

Create a separate buffer and translate comma <> dot before calling
strtod(), and after calling sprintf() as required.

- Add "update_locale" Lua API call and init locale on module load.
- Move sprintf format string to fpconv

1 files changed, 11 insertions, 0 deletions

diff --git a/fpconv.h b/fpconv.h
new file mode 100644
index 0000000..b8a6469
--- /dev/null
+++ b/fpconv.h
@@ -0,0 +1,11 @@
+/* Lua CJSON floating point conversion routines */
+
+/* Buffer larger than required to store the largest %.14g number */
+# define FPCONV_G_FMT_BUFSIZE   32
+
+extern void fpconv_update_locale();
+extern int fpconv_g_fmt(char*, double, int);
+extern double fpconv_strtod(const char*, char**);
+
+/* vi:ai et sw=4 ts=4:
+ */