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| author | Luca Barbato <lu_zero@gentoo.org> | 2011-11-05 17:15:43 +0200 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2011-11-06 11:52:54 +0200 |
| commit | 07b172fe8f6a5d567edc4dac3f813b210874d3b1 (patch) | |
| tree | 71ca31415be8da95b8bb8ad6313e8dd7dfe2f7b2 /libavutil/avstring.h | |
| parent | 66760b30a393388490a9bd87ef27ef211ca627f6 (diff) | |
| download | ffmpeg-07b172fe8f6a5d567edc4dac3f813b210874d3b1.tar.gz | |
avstring: Add locale independent implementations of toupper/tolower
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavutil/avstring.h')
| -rw-r--r-- | libavutil/avstring.h | 20 |
1 files changed, 20 insertions, 0 deletions
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 */ |