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bprint: implement vsnprintf for win32.

This commit is contained in:
Nicolas George 2012-06-14 13:54:00 +02:00
parent 0f73ac3fc8
commit 69bf775e9f
1 changed files with 19 additions and 0 deletions
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19
libavutil/bprint.c
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@ -26,6 +26,25 @@
#include "error.h"
#include "mem.h"
#if defined(_WIN32)
static int vsnprintf_fixed(char *s, size_t n, const char *format, va_list va)
{
va_list va2;
int r;
va_copy(va2, va);
r = vsnprintf(s, n, format, va2);
va_end(va2);
if (r == -1)
r = _vscprintf(format, va);
return r;
}
#define vsnprintf vsnprintf_fixed
#endif
#define av_bprint_room(buf) ((buf)->size - FFMIN((buf)->len, (buf)->size))
#define av_bprint_is_allocated(buf) ((buf)->str != (buf)->reserved_internal_buffer)