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Add a function to convert a number to a av_malloced string.

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Originally committed as revision 20829 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-12-13 17:09:41 +00:00
parent 005d9b57ad
commit 277c733237
3 changed files with 13 additions and 1 deletions
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6
libavutil/avstring.c
View File

@ -76,3 +76,9 @@ size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...)
return len;
}
char *av_d2str(double d){
char *str= av_malloc(16);
if(str) snprintf(str, 16, "%f", d);
return str;
}

6
libavutil/avstring.h
View File

@ -22,6 +22,7 @@
#define AVUTIL_AVSTRING_H
#include <stddef.h>
#include "mem.h"
/**
* Return non-zero if pfx is a prefix of str. If it is, *ptr is set to
@ -95,4 +96,9 @@ size_t av_strlcat(char *dst, const char *src, size_t size);
*/
size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...);
/**
* Convert a number to a av_malloced string.
*/
char *av_d2str(double d);
#endif /* AVUTIL_AVSTRING_H */

2
libavutil/avutil.h
View File

@ -35,7 +35,7 @@
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
#define LIBAVUTIL_VERSION_MAJOR 50
#define LIBAVUTIL_VERSION_MINOR 6
#define LIBAVUTIL_VERSION_MINOR 7
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \