This prevents random values from the stack being used as "variables" in expressions.
Signed-off-by: Mans Rullgard <[email protected]> --- libavutil/eval.c | 4 ++-- tests/ref/fate/eval | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/libavutil/eval.c b/libavutil/eval.c index 8ce687d..4d55f42 100644 --- a/libavutil/eval.c +++ b/libavutil/eval.c @@ -461,7 +461,7 @@ int av_expr_parse(AVExpr **expr, const char *s, const char * const *func2_names, double (* const *funcs2)(void *, double, double), int log_offset, void *log_ctx) { - Parser p; + Parser p = { 0 }; AVExpr *e = NULL; char *w = av_malloc(strlen(s) + 1); char *wp = w; @@ -506,7 +506,7 @@ end: double av_expr_eval(AVExpr *e, const double *const_values, void *opaque) { - Parser p; + Parser p = { 0 }; p.const_values = const_values; p.opaque = opaque; diff --git a/tests/ref/fate/eval b/tests/ref/fate/eval index bcc1a50..fb7a925 100644 --- a/tests/ref/fate/eval +++ b/tests/ref/fate/eval @@ -92,7 +92,7 @@ Evaluating 'st(1, 123); ld(1)' 'st(1, 123); ld(1)' -> 123.000000 Evaluating 'st(0, 1); while(lte(ld(0), 100), st(1, ld(1)+ld(0));st(0, ld(0)+1)); ld(1)' -'st(0, 1); while(lte(ld(0), 100), st(1, ld(1)+ld(0));st(0, ld(0)+1)); ld(1)' -> 5073.000000 +'st(0, 1); while(lte(ld(0), 100), st(1, ld(1)+ld(0));st(0, ld(0)+1)); ld(1)' -> 4950.000000 Evaluating 'st(1, 1); st(2, 2); st(0, 1); while(lte(ld(0),10), st(3, ld(1)+ld(2)); st(1, ld(2)); st(2, ld(3)); st(0, ld(0)+1)); ld(3)' 'st(1, 1); st(2, 2); st(0, 1); while(lte(ld(0),10), st(3, ld(1)+ld(2)); st(1, ld(2)); st(2, ld(3)); st(0, ld(0)+1)); ld(3)' -> 144.000000 -- 1.7.6 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
