ffprobe: fix value_string() prefix printing for values with negative logarithm

The index for the binary_unit_prefixes array is expected to be positive, so avoid to use negative indexes for accessing it.
13 years ago · 4601ad769d
parent eef4b70450
commit 4601ad769d
1 changed files with 1 additions and 1 deletions
--- a/ffprobe.c
+++ b/ffprobe.c
@ -106,7 +106,7 @@ static char *value_string(char *buf, int buf_size, struct unit_value uv)
        const char *prefix_string = "";
        int l;

-        if (use_value_prefix) {
+        if (use_value_prefix && vald > 1) {
            long long int index;

            if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {