LineageOS/android_external_json-c
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float parsing must be locale independent

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This commit is contained in:
Remi Collet
2012-11-27 11:06:49 +01:00
parent f6b27cbb6c
commit 16a4a32e29
4 changed files with 29 additions and 3 deletions
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4
configure.in
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@@ -23,7 +23,7 @@ AM_CONDITIONAL(ENABLE_OLDNAME_COMPAT, [test "x${enable_oldname_compat}" != "xno"
AM_CONFIG_HEADER(config.h)
AM_CONFIG_HEADER(json_config.h)
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h limits.h strings.h syslog.h unistd.h [sys/cdefs.h] [sys/param.h] stdarg.h)
AC_CHECK_HEADERS(fcntl.h limits.h strings.h syslog.h unistd.h [sys/cdefs.h] [sys/param.h] stdarg.h locale.h)
AC_CHECK_HEADER(inttypes.h,[AC_DEFINE([JSON_C_HAVE_INTTYPES_H],[1],[Public define for json_inttypes.h])])
# Checks for typedefs, structures, and compiler characteristics.
@@ -35,7 +35,7 @@ AC_FUNC_VPRINTF
AC_FUNC_MEMCMP
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS(strcasecmp strdup strndup strerror snprintf vsnprintf vasprintf open vsyslog strncasecmp)
AC_CHECK_FUNCS(strcasecmp strdup strndup strerror snprintf vsnprintf vasprintf open vsyslog strncasecmp setlocale)
#check if .section.gnu.warning accepts long strings (for __warn_references)
AC_LANG_PUSH([C])

2
json_tokener.c
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@@ -585,7 +585,7 @@ struct json_object* json_tokener_parse_ex(struct json_tokener *tok,
double numd;
if (!tok->is_double && json_parse_int64(tok->pb->buf, &num64) == 0) {
current = json_object_new_int64(num64);
} else if(tok->is_double && sscanf(tok->pb->buf, "%lf", &numd) == 1) {
} else if(tok->is_double && json_parse_double(tok->pb->buf, &numd) == 0) {
current = json_object_new_double(numd);
} else {
tok->err = json_tokener_error_parse_number;

25
json_util.c
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@@ -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;

1
json_util.h
View File

@@ -25,6 +25,7 @@ extern struct json_object* json_object_from_file(const char *filename);
extern int json_object_to_file(char *filename, struct json_object *obj);
extern int json_object_to_file_ext(char *filename, struct json_object *obj, int flags);
extern int json_parse_int64(const char *buf, int64_t *retval);
extern int json_parse_double(const char *buf, double *retval);
/**