diff options
Diffstat (limited to 'json_util.c')
| -rw-r--r-- | json_util.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/json_util.c b/json_util.c index 79ae5c7..c144059 100644 --- a/json_util.c +++ b/json_util.c @@ -36,6 +36,10 @@ # include <unistd.h> #endif /* HAVE_UNISTD_H */ +#ifdef HAVE_LOCALE_H +#include <locale.h> +#endif /* HAVE_LOCALE_H */ + #ifdef WIN32 # define WIN32_LEAN_AND_MEAN # include <windows.h> @@ -142,6 +146,27 @@ int json_object_to_file(char *filename, struct json_object *obj) return json_object_to_file_ext(filename, obj, JSON_C_TO_STRING_PLAIN); } +int json_parse_double(const char *buf, double *retval) +{ + int ret; +#ifdef HAVE_SETLOCALE + char *old=NULL, *tmp; + + tmp = setlocale(LC_NUMERIC, NULL); + if (tmp) old = strdup(tmp); + setlocale(LC_NUMERIC, "C"); +#endif + + ret = sscanf(buf, "%lf", retval); + +#ifdef HAVE_SETLOCALE + setlocale(LC_NUMERIC, old); + if (old) free(old); +#endif + + return (ret==1 ? 0 : 1); +} + int json_parse_int64(const char *buf, int64_t *retval) { int64_t num64; |