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ffprobe: avoid unsafe usage of the snprintf() return code

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-09-09 14:26:42 +02:00
parent b9a07e787b
commit 7992814920
1 changed files with 3 additions and 4 deletions
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7
ffprobe.c
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@ -116,7 +116,6 @@ static char *value_string(char *buf, int buf_size, struct unit_value uv)
snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
} else {
const char *prefix_string = "";
int l;
if (use_value_prefix && vald > 1) {
long long int index;
@ -135,10 +134,10 @@ static char *value_string(char *buf, int buf_size, struct unit_value uv)
}
if (show_float || (use_value_prefix && vald != (long long int)vald))
l = snprintf(buf, buf_size, "%f", vald);
snprintf(buf, buf_size, "%f", vald);
else
l = snprintf(buf, buf_size, "%lld", (long long int)vald);
snprintf(buf+l, buf_size-l, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
snprintf(buf, buf_size, "%lld", (long long int)vald);
av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
prefix_string, show_value_unit ? uv.unit : "");
}