diff options
author | Marton Balint <cus@passwd.hu> | 2019-08-05 21:50:42 +0200 |
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committer | Marton Balint <cus@passwd.hu> | 2019-08-17 18:39:49 +0200 |
commit | a82f8f2f10d0a4d8072919a8e4bdc1c39f4d27b8 (patch) | |
tree | 51c8f4f7fd363f309082bb116eb6716884a18e3e /libavformat/avio.h | |
parent | 6a3bdf3148864224c8ef8025e8744f6dd2126303 (diff) |
avformat/avio: add avio_print_string_array and avio_print
These functions can be used to print a variable number of strings consecutively
to the IO context. Unlike av_bprintf, no temporary buffer is necessary.
Signed-off-by: Marton Balint <cus@passwd.hu>
Diffstat (limited to 'libavformat/avio.h')
-rw-r--r-- | libavformat/avio.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavformat/avio.h b/libavformat/avio.h index dcb8dcdf93..910e4f1b48 100644 --- a/libavformat/avio.h +++ b/libavformat/avio.h @@ -575,6 +575,23 @@ int avio_feof(AVIOContext *s); int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3); /** + * Write a NULL terminated array of strings to the context. + * Usually you don't need to use this function directly but its macro wrapper, + * avio_print. + */ +void avio_print_string_array(AVIOContext *s, const char *strings[]); + +/** + * Write strings (const char *) to the context. + * This is a convenience macro around avio_print_string_array and it + * automatically creates the string array from the variable argument list. + * For simple string concatenations this function is more performant than using + * avio_printf since it does not need a temporary buffer. + */ +#define avio_print(s, ...) \ + avio_print_string_array(s, (const char*[]){__VA_ARGS__, NULL}) + +/** * Force flushing of buffered data. * * For write streams, force the buffered data to be immediately written to the output, |