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fix buffer underflow read

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This commit is contained in:
Philippe Teuwen 2020-10-06 15:41:57 +02:00
commit a647ceda23
1 changed files with 1 additions and 1 deletions
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client/src/ui.c
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@ -356,7 +356,7 @@ static void fPrintAndLog(FILE *stream, const char *fmt, ...) {
va_start(argptr, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, argptr);
va_end(argptr);
if (buffer[strlen(buffer) - 1] == NOLF[0]) {
if (strlen(buffer) > 0 && buffer[strlen(buffer) - 1] == NOLF[0]) {
linefeed = false;
buffer[strlen(buffer) - 1] = 0;
}