[FFmpeg-devel] [PATCH 3/4] avutil/eval: check av_expr_parse_and_eval error code in the test build
Ganesh Ajjanagadde
gajjanagadde at gmail.com
Sat Oct 31 15:47:56 CET 2015
This returns the error code from main in the test, in this case ENOMEM.
This should not matter, and will ensure that no warnings are triggered
when av_warn_unused_result is added to avutil/eval.h.
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
---
libavutil/eval.c | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/libavutil/eval.c b/libavutil/eval.c
index 7642b91..776a3ee 100644
--- a/libavutil/eval.c
+++ b/libavutil/eval.c
@@ -750,7 +750,7 @@ static const char *const const_names[] = {
int main(int argc, char **argv)
{
- int i;
+ int i, ret;
double d;
const char *const *expr;
static const char *const exprs[] = {
@@ -854,30 +854,34 @@ int main(int argc, char **argv)
for (expr = exprs; *expr; expr++) {
printf("Evaluating '%s'\n", *expr);
- av_expr_parse_and_eval(&d, *expr,
+ if ((ret = av_expr_parse_and_eval(&d, *expr,
const_names, const_values,
- NULL, NULL, NULL, NULL, NULL, 0, NULL);
+ NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0)
+ return ret;
if (isnan(d))
printf("'%s' -> nan\n\n", *expr);
else
printf("'%s' -> %f\n\n", *expr, d);
}
- av_expr_parse_and_eval(&d, "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)",
+ if ((ret = av_expr_parse_and_eval(&d, "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)",
const_names, const_values,
- NULL, NULL, NULL, NULL, NULL, 0, NULL);
+ NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0)
+ return ret;
printf("%f == 12.7\n", d);
- av_expr_parse_and_eval(&d, "80G/80Gi",
+ if ((ret = av_expr_parse_and_eval(&d, "80G/80Gi",
const_names, const_values,
- NULL, NULL, NULL, NULL, NULL, 0, NULL);
+ NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0)
+ return ret;
printf("%f == 0.931322575\n", d);
if (argc > 1 && !strcmp(argv[1], "-t")) {
for (i = 0; i < 1050; i++) {
START_TIMER;
- av_expr_parse_and_eval(&d, "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)",
+ if ((ret = av_expr_parse_and_eval(&d, "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)",
const_names, const_values,
- NULL, NULL, NULL, NULL, NULL, 0, NULL);
+ NULL, NULL, NULL, NULL, NULL, 0, NULL)) < 0)
+ return ret;
STOP_TIMER("av_expr_parse_and_eval");
}
}
--
2.6.2
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