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lavu/bprint: add av_bprint_reset().

This commit is contained in:
Clément Bœsch 2012-05-13 11:38:19 +02:00
parent 7a44223319
commit 9548deeea9
3 changed files with 14 additions and 1 deletions
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2
libavutil/avutil.h
View File

@ -153,7 +153,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 51
#define LIBAVUTIL_VERSION_MINOR 50
#define LIBAVUTIL_VERSION_MINOR 51
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

8
libavutil/bprint.c
View File

@ -119,6 +119,14 @@ void av_bprint_chars(AVBPrint *buf, char c, unsigned n)
av_bprint_grow(buf, n);
}
void av_bprint_clear(AVBPrint *buf)
{
if (buf->len) {
*buf->str = 0;
buf->len = 0;
}
}
int av_bprint_finalize(AVBPrint *buf, char **ret_str)
{
unsigned real_size = FFMIN(buf->len + 1, buf->size);

5
libavutil/bprint.h
View File

@ -109,6 +109,11 @@ void av_bprintf(AVBPrint *buf, const char *fmt, ...) av_printf_format(2, 3);
*/
void av_bprint_chars(AVBPrint *buf, char c, unsigned n);
/**
* Reset the string to "" but keep internal allocated data.
*/
void av_bprint_clear(AVBPrint *buf);
/**
* Test if the print buffer is complete (not truncated).
*