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For #1229: Check the return value of vsnprintf.

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winlin 2022-08-08 08:22:02 +08:00
parent 079ac107f0
commit 5ae495ab95
4 changed files with 94 additions and 32 deletions
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2
trunk/src/app/srs_app_rtc_codec.cpp
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@ -49,7 +49,7 @@ public:
{
static char buf[4096] = {0};
int nbytes = vsnprintf(buf, sizeof(buf), fmt, vl);
if (nbytes > 0) {
if (nbytes > 0 && nbytes < sizeof(buf)) {
// Srs log is always start with new line, replcae '\n' to '\0', make log easy to read.
if (buf[nbytes - 1] == '\n') {
buf[nbytes - 1] = '\0';