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lavu/bprint: add append buffer function

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Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Reveiwed-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Lukasz Marek 2013-08-23 23:21:50 +02:00 committed by Michael Niedermayer
parent 6e1b1a27a4
commit 0b46d6f3ef
3 changed files with 28 additions and 1 deletions
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18
libavutil/bprint.c
View File

@ -155,6 +155,24 @@ void av_bprint_chars(AVBPrint *buf, char c, unsigned n)
av_bprint_grow(buf, n);
}
void av_bprint_append_data(AVBPrint *buf, const char *data, unsigned size)
{
unsigned room, real_n;
while (1) {
room = av_bprint_room(buf);
if (size < room)
break;
if (av_bprint_alloc(buf, size))
break;
}
if (room) {
real_n = FFMIN(size, room - 1);
memcpy(buf->str + buf->len, data, real_n);
}
av_bprint_grow(buf, size);
}
void av_bprint_strftime(AVBPrint *buf, const char *fmt, const struct tm *tm)
{
unsigned room;

9
libavutil/bprint.h
View File

@ -133,6 +133,15 @@ void av_vbprintf(AVBPrint *buf, const char *fmt, va_list vl_arg);
*/
void av_bprint_chars(AVBPrint *buf, char c, unsigned n);
/**
* Append data to a print buffer.
*
* param buf bprint buffer to use
* param data pointer to data
* param size size of data
*/
void av_bprint_append_data(AVBPrint *buf, const char *data, unsigned size);
struct tm;
/**
* Append a formatted date and time to a print buffer.

2
libavutil/version.h
View File

@ -75,7 +75,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 52
#define LIBAVUTIL_VERSION_MINOR 42
#define LIBAVUTIL_VERSION_MINOR 43
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \