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Fix get_str/get_str8() to also work if the target string is not long enough to

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fit all data from the container string, and allow NULL as a string also to
simply skip the string altogether.
patch by Ronald S. Bultje, rsbultje gmail com

Originally committed as revision 9817 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2007-07-28 18:02:19 +00:00 committed by Diego Biurrun
parent bd7c6fd50c
commit 28263f5f15
1 changed files with 8 additions and 6 deletions
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14
libavformat/rmdec.c
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@ -25,29 +25,31 @@
static void get_str(ByteIOContext *pb, char *buf, int buf_size)
{
int len, i;
char *q;
char *q, r;
len = get_be16(pb);
q = buf;
for(i=0;i<len;i++) {
r = get_byte(pb);
if (i < buf_size - 1)
*q++ = get_byte(pb);
*q++ = r;
}
*q = '\0';
if (buf_size > 0) *q = '\0';
}
static void get_str8(ByteIOContext *pb, char *buf, int buf_size)
{
int len, i;
char *q;
char *q, r;
len = get_byte(pb);
q = buf;
for(i=0;i<len;i++) {
r = get_byte(pb);
if (i < buf_size - 1)
*q++ = get_byte(pb);
*q++ = r;
}
*q = '\0';
if (buf_size > 0) *q = '\0';
}
static int rm_read_audio_stream_info(AVFormatContext *s, AVStream *st,