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Fix an unsigned integer comparison reported by Coverity

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This commit is contained in:
Tim Wojtulewicz 2025-07-11 22:37:20 -07:00
parent 4c58fb26c4
commit 2ce26f1be0
1 changed files with 8 additions and 6 deletions
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14
src/Reporter.cc
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@ -525,21 +525,23 @@ void Reporter::DoLog(const char* prefix, EventHandlerPtr event, FILE* out, Conne
// Figure out how big of a buffer is needed here.
va_list ap_copy;
va_copy(ap_copy, ap);
size_t req_buffer_size = vsnprintf(nullptr, 0, fmt, ap_copy);
int req_buffer_size = vsnprintf(nullptr, 0, fmt, ap_copy);
if ( req_buffer_size < 0 ) {
va_end(ap_copy);
FatalError("out of memory in Reporter");
}
size_t new_buffer_size = req_buffer_size;
if ( postfix && *postfix )
req_buffer_size += strlen(postfix) + 10;
new_buffer_size += strlen(postfix) + 10;
// Add one byte for a null terminator.
req_buffer_size++;
new_buffer_size++;
if ( req_buffer_size > DEFAULT_BUFFER_SIZE ) {
buffer = (char*)malloc(req_buffer_size);
if ( new_buffer_size > DEFAULT_BUFFER_SIZE ) {
buffer = (char*)malloc(new_buffer_size);
if ( ! buffer ) {
va_end(ap_copy);
FatalError("out of memory in Reporter");
@ -550,7 +552,7 @@ void Reporter::DoLog(const char* prefix, EventHandlerPtr event, FILE* out, Conne
va_end(ap_copy);
req_buffer_size = vsnprintf(buffer, req_buffer_size, fmt, ap);
req_buffer_size = vsnprintf(buffer, new_buffer_size, fmt, ap);
if ( req_buffer_size < 0 )
FatalError("out of memory in Reporter");