libavutil/opt: Small bugfix in example.

Fix const corectness and zero init the struct. This example code would actually crash when initializing string.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 69630f4d30)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Kacper Michajłow 2016-07-23 21:43:06 +02:00 committed by Michael Niedermayer
parent 08ab94e6a6
commit b0453449fd

View File

@ -57,7 +57,7 @@
* The following example illustrates an AVOptions-enabled struct:
* @code
* typedef struct test_struct {
* AVClass *class;
* const AVClass *class;
* int int_opt;
* char *str_opt;
* uint8_t *bin_opt;
@ -95,7 +95,7 @@
* @code
* test_struct *alloc_test_struct(void)
* {
* test_struct *ret = av_malloc(sizeof(*ret));
* test_struct *ret = av_mallocz(sizeof(*ret));
* ret->class = &test_class;
* av_opt_set_defaults(ret);
* return ret;