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zero sized malloc patch by Roman Shaposhnick

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Originally committed as revision 1501 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roman Shaposhnik 2003-01-23 22:00:57 +00:00 committed by Fabrice Bellard
parent a5df11ab1e
commit 98486a6bc0
2 changed files with 22 additions and 12 deletions
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9
ffserver.c
View File

@ -2457,9 +2457,12 @@ static int http_receive_data(HTTPContext *c)
if (!fmt_in)
goto fail;
s.priv_data = av_mallocz(fmt_in->priv_data_size);
if (!s.priv_data)
goto fail;
if (fmt_in->priv_data_size > 0) {
s.priv_data = av_mallocz(fmt_in->priv_data_size);
if (!s.priv_data)
goto fail;
} else
s.priv_data = NULL;
if (fmt_in->read_header(&s, 0) < 0) {
av_freep(&s.priv_data);

25
libavformat/utils.c
View File

@ -386,11 +386,14 @@ int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
}
/* allocate private data */
ic->priv_data = av_mallocz(fmt->priv_data_size);
if (!ic->priv_data) {
err = AVERROR_NOMEM;
goto fail;
}
if (fmt->priv_data_size > 0) {
ic->priv_data = av_mallocz(fmt->priv_data_size);
if (!ic->priv_data) {
err = AVERROR_NOMEM;
goto fail;
}
} else
ic->priv_data = NULL;
/* default pts settings is MPEG like */
av_set_pts_info(ic, 33, 1, 90000);
@ -722,10 +725,14 @@ AVStream *av_new_stream(AVFormatContext *s, int id)
int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap)
{
int ret;
s->priv_data = av_mallocz(s->oformat->priv_data_size);
if (!s->priv_data)
return AVERROR_NOMEM;
if (s->oformat->priv_data_size > 0) {
s->priv_data = av_mallocz(s->oformat->priv_data_size);
if (!s->priv_data)
return AVERROR_NOMEM;
} else
s->priv_data = NULL;
if (s->oformat->set_parameters) {
ret = s->oformat->set_parameters(s, ap);
if (ret < 0)