easylogging++: avoid buffer underflow

This commit is contained in:
moneromooo-monero 2017-12-10 15:32:42 +00:00
parent 187a6ab2d2
commit c2ed8618e4
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@ -1016,8 +1016,9 @@ const std::string OS::getBashOutput(const char* command) {
char hBuff[4096];
if (fgets(hBuff, sizeof(hBuff), proc) != nullptr) {
pclose(proc);
if (hBuff[strlen(hBuff) - 1] == '\n') {
hBuff[strlen(hBuff) - 1] = '\0';
const size_t len = strlen(hBuff);
if (len > 0 && hBuff[len - 1] == '\n') {
hBuff[len- 1] = '\0';
}
return std::string(hBuff);
}