Merge commit 'efa7f4202088c70caba11d7834641bc6eaf41830'

* commit 'efa7f4202088c70caba11d7834641bc6eaf41830':
  Use the avstring.h locale-independent character type functions
  avstring: Add locale independent versions of some ctype.h functions

Conflicts:
	avprobe.c
	doc/APIchanges
	libavcodec/dvdsubdec.c
	libavcodec/utils.c
	libavutil/avstring.c
	libavutil/avstring.h
	libavutil/eval.c
	libavutil/parseutils.c
	libavutil/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 22 insertions, 0 deletions

diff --git a/libavutil/avstring.c b/libavutil/avstring.c
index 45f8d78172..788667e9d6 100644
--- a/libavutil/avstring.c
+++ b/libavutil/avstring.c
@@ -285,6 +285,28 @@ int av_escape(char **dst, const char *src, const char *special_chars,
     }
 }
 
+int av_isdigit(int c)
+{
+    return c >= '0' && c <= '9';
+}
+
+int av_isgraph(int c)
+{
+    return c > 32 && c < 127;
+}
+
+int av_isspace(int c)
+{
+    return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' ||
+           c == '\v';
+}
+
+int av_isxdigit(int c)
+{
+    c = av_tolower(c);
+    return av_isdigit(c) || (c >= 'a' && c <= 'z');
+}
+
 #ifdef TEST
 
 int main(void)