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Silence -Wunused-result warnings

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This commit is contained in:
Robbert van der Helm
2022-04-14 19:22:02 +02:00
parent 25f298636a
commit b2b6a606ea
1 changed files with 5 additions and 4 deletions
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src/common/process.cpp
+4 -3
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@@ -184,7 +184,7 @@ Process::StringResult Process::spawn_get_stdout_line() const {
// We'll read the results from a pipe. The child writes to the second pipe, // We'll read the results from a pipe. The child writes to the second pipe,
// we'll read from the first one. // we'll read from the first one.
int stdout_pipe_fds[2]; int stdout_pipe_fds[2];
pipe(stdout_pipe_fds); assert(pipe(stdout_pipe_fds) == 0);
const auto argv = build_argv(); const auto argv = build_argv();
const auto envp = env_ ? env_->make_environ() : environ; const auto envp = env_ ? env_->make_environ() : environ;
@@ -215,6 +215,7 @@ Process::StringResult Process::spawn_get_stdout_line() const {
std::array<char, 1024> output{0}; std::array<char, 1024> output{0};
FILE* output_pipe_stream = fdopen(stdout_pipe_fds[0], "r"); FILE* output_pipe_stream = fdopen(stdout_pipe_fds[0], "r");
assert(output_pipe_stream); assert(output_pipe_stream);
[[maybe_unused]] char* not_relevant =
fgets(output.data(), output.size(), output_pipe_stream); fgets(output.data(), output.size(), output_pipe_stream);
fclose(output_pipe_stream); fclose(output_pipe_stream);
@@ -266,8 +267,8 @@ Process::HandleResult Process::spawn_child_piped(
// and the child process will write to the second elements. // and the child process will write to the second elements.
int stdout_pipe_fds[2]; int stdout_pipe_fds[2];
int stderr_pipe_fds[2]; int stderr_pipe_fds[2];
pipe(stdout_pipe_fds); assert(pipe(stdout_pipe_fds) == 0);
pipe(stderr_pipe_fds); assert(pipe(stderr_pipe_fds) == 0);
const auto argv = build_argv(); const auto argv = build_argv();
const auto envp = env_ ? env_->make_environ() : environ; const auto envp = env_ ? env_->make_environ() : environ;