Add a us_strtof function to prevent some problem

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

include/vlc_charset.h

@@ -111,6 +111,7 @@ static inline char *FromLatin1 (const char *latin)
 VLC_EXPORT( const char *, GetFallbackEncoding, ( void ) LIBVLC_USED );
 
 VLC_EXPORT( double, us_strtod, ( const char *, char ** ) LIBVLC_USED );
+VLC_EXPORT( float, us_strtof, ( const char *, char ** ) LIBVLC_USED );
 VLC_EXPORT( double, us_atof, ( const char * ) LIBVLC_USED );
 VLC_EXPORT( int, us_asprintf, ( char **, const char *, ... ) LIBVLC_USED );
 

src/libvlccore.sym

@@ -385,6 +385,7 @@ update_WaitDownload
 us_asprintf
 us_atof
 us_strtod
+us_strtof
 utf8_fopen
 utf8_fprintf
 utf8_loaddir

src/text/charset.c

@@ -91,6 +91,26 @@ double us_strtod( const char *str, char **end )
     return res;
 }
 
+
+/**
+ * us_strtof() has the same prototype as ANSI C strtof() but it uses the
+ * POSIX/C decimal format, regardless of the current numeric locale.
+ */
+float us_strtof( const char *str, char **end )
+{
+    locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
+    locale_t oldloc = uselocale (loc);
+    float res = strtof (str, end);
+
+    if (loc != (locale_t)0)
+    {
+        uselocale (oldloc);
+        freelocale (loc);
+    }
+    return res;
+}
+
+
 /**
  * us_atof() has the same prototype as ANSI C atof() but it expects a dot
  * as decimal separator, regardless of the system locale.