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#40 Explicitly check if string length is zero instead of casting it to bool

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This commit is contained in:
Andreas Schuh 2015-03-25 00:30:40 +00:00
parent 470b3e8840
commit 48e1a44dae
1 changed files with 2 additions and 2 deletions
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4
src/gflags.cc
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@ -1503,13 +1503,13 @@ const char* ProgramInvocationShortName() { // like the GNU libc fn
}
void SetUsageMessage(const string& usage) {
if (program_usage.length())
if (program_usage.length() > 0)
ReportError(DIE, "ERROR: SetUsageMessage() called twice\n");
program_usage = usage; // small memory leak
}
const char* ProgramUsage() {
if (program_usage.length()) {
if (program_usage.length() > 0) {
return program_usage.c_str();
}
return "Warning: SetUsageMessage() never called";