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Code Issues Releases Activity

avformat/aviobuf: zero initialize the AVIOContext in ffio_init_context()

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This makes sure no field is ever used uninitialized.

Reviewed-by: Carl Eugen Hoyos <ceffmpeg@gmail.com>
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2018-02-14 20:56:21 -03:00
parent 23e1bf6e51
commit aa6280805e
1 changed files with 3 additions and 1 deletions
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4
libavformat/aviobuf.c
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@ -87,6 +87,8 @@ int ffio_init_context(AVIOContext *s,
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size), int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int64_t (*seek)(void *opaque, int64_t offset, int whence)) int64_t (*seek)(void *opaque, int64_t offset, int whence))
{ {
memset(s, 0, sizeof(AVIOContext));
s->buffer = buffer; s->buffer = buffer;
s->orig_buffer_size = s->orig_buffer_size =
s->buffer_size = buffer_size; s->buffer_size = buffer_size;
@ -135,7 +137,7 @@ AVIOContext *avio_alloc_context(
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size), int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int64_t (*seek)(void *opaque, int64_t offset, int whence)) int64_t (*seek)(void *opaque, int64_t offset, int whence))
{ {
AVIOContext *s = av_mallocz(sizeof(AVIOContext)); AVIOContext *s = av_malloc(sizeof(AVIOContext));
if (!s) if (!s)
return NULL; return NULL;
ffio_init_context(s, buffer, buffer_size, write_flag, opaque, ffio_init_context(s, buffer, buffer_size, write_flag, opaque,