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avfilter/internal: add av_warn_unused_result

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av_warn_unused_result is added to functions whose return status should
be checked. Currently does not trigger any warnings, but should be
useful for future robustness.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-10-14 23:00:02 -04:00
parent ed53c14a3c
commit 01790484c1
1 changed files with 5 additions and 0 deletions
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5
libavfilter/internal.h
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@ -165,6 +165,7 @@ int ff_fmt_is_in(int fmt, const int *fmts);
* @param log_ctx log context
* @return >= 0 in case of success, a negative AVERROR code on error
*/
av_warn_unused_result
int ff_parse_pixel_format(enum AVPixelFormat *ret, const char *arg, void *log_ctx);
/**
@ -175,6 +176,7 @@ int ff_parse_pixel_format(enum AVPixelFormat *ret, const char *arg, void *log_ct
* @param log_ctx log context
* @return >= 0 in case of success, a negative AVERROR code on error
*/
av_warn_unused_result
int ff_parse_sample_rate(int *ret, const char *arg, void *log_ctx);
/**
@ -185,6 +187,7 @@ int ff_parse_sample_rate(int *ret, const char *arg, void *log_ctx);
* @param log_ctx log context
* @return >= 0 in case of success, a negative AVERROR code on error
*/
av_warn_unused_result
int ff_parse_time_base(AVRational *ret, const char *arg, void *log_ctx);
/**
@ -195,6 +198,7 @@ int ff_parse_time_base(AVRational *ret, const char *arg, void *log_ctx);
* @param log_ctx log context
* @return >= 0 in case of success, a negative AVERROR code on error
*/
av_warn_unused_result
int ff_parse_sample_format(int *ret, const char *arg, void *log_ctx);
/**
@ -207,6 +211,7 @@ int ff_parse_sample_format(int *ret, const char *arg, void *log_ctx);
* @param log_ctx log context
* @return >= 0 in case of success, a negative AVERROR code on error
*/
av_warn_unused_result
int ff_parse_channel_layout(int64_t *ret, int *nret, const char *arg,
void *log_ctx);