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AK: Make string-to-number conversion helpers return Optional
Get rid of the weird old signature: - int StringType::to_int(bool& ok) const And replace it with sensible new signature: - Optional<int> StringType::to_int() const
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15f4043a7a
commit
fdfda6dec2
55 changed files with 354 additions and 455 deletions
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@ -74,15 +74,16 @@ int main(int argc, char** argv)
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pid_t pid_to_omit = 0;
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if (omit_pid_value) {
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bool ok = true;
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if (!strcmp(omit_pid_value, "%PPID"))
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if (!strcmp(omit_pid_value, "%PPID")) {
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pid_to_omit = getppid();
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else
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pid_to_omit = StringView(omit_pid_value).to_uint(ok);
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if (!ok) {
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fprintf(stderr, "Invalid value for -o\n");
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args_parser.print_usage(stderr, argv[0]);
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return 1;
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} else {
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auto number = StringView(omit_pid_value).to_uint();
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if (!number.has_value()) {
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fprintf(stderr, "Invalid value for -o\n");
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args_parser.print_usage(stderr, argv[0]);
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return 1;
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}
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pid_to_omit = number.value();
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}
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}
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return pid_of(process_name, single_shot, omit_pid_value != nullptr, pid_to_omit);
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