Code RoomStack buffer returned
MediumPrep Room Coding #1792

Stack buffer returned

Code reviewAlgorithms & data structuresMid–Senior~20 min

Review this C++ helper that formats an error label.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 20 min
Mark a line and say what kind of problem it is.0 findings
1#include <cstdio>
2 
3const char* label_for(int code) {
4 char buf[32];
5 snprintf(buf, sizeof(buf), "err-%d", code);
6 return buf;
7}
8 
9void emit(int code) {
10 const char* s = label_for(code);
11 log_line(s); // some logging sink
12}
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