From 07b172fe8f6a5d567edc4dac3f813b210874d3b1 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Sat, 5 Nov 2011 17:15:43 +0200 Subject: avstring: Add locale independent implementations of toupper/tolower MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Martin Storsjö --- libavutil/avstring.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'libavutil/avstring.h') diff --git a/libavutil/avstring.h b/libavutil/avstring.h index 44ed89d654..8d97e1f768 100644 --- a/libavutil/avstring.h +++ b/libavutil/avstring.h @@ -131,4 +131,24 @@ char *av_d2str(double d); */ char *av_get_token(const char **buf, const char *term); +/** + * Locale independent conversion of ASCII characters to upper case. + */ +static inline int av_toupper(int c) +{ + if (c >= 'a' && c <= 'z') + c ^= 0x20; + return c; +} + +/** + * Locale independent conversion of ASCII characters to lower case. + */ +static inline int av_tolower(int c) +{ + if (c >= 'A' && c <= 'Z') + c ^= 0x20; + return c; +} + #endif /* AVUTIL_AVSTRING_H */ -- cgit v1.2.3