tools/ffeval: Check return value of av_expr_parse_and_eval()

Fixes CID1026745 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago · de488525e5
parent 636c2dd438
commit de488525e5
1 changed files with 5 additions and 4 deletions
--- a/tools/ffeval.c
+++ b/tools/ffeval.c
@ -118,12 +118,13 @@ int main(int argc, char **argv)

            buf[count] = 0;
            if (buf[0] != '#') {
-                av_expr_parse_and_eval(&d, buf,
-                                       NULL, NULL,
-                                       NULL, NULL, NULL, NULL, NULL, 0, NULL);
+                int ret = av_expr_parse_and_eval(&d, buf,
+                                                 NULL, NULL,
+                                                 NULL, NULL, NULL, NULL, NULL, 0, NULL);
                if (echo)
                    fprintf(outfile, "%s ", buf);
-                fprintf(outfile, "%s%f\n", prompt, d);
+                if (ret >= 0) fprintf(outfile, "%s%f\n", prompt, d);
+                else          fprintf(outfile, "%s%s\n", prompt, av_err2str(ret));
            }
            count = 0;
        } else {