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fix write() unused-result warning

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src/client/linux/microdump_writer/microdump_writer_unittest.cc:98:47: error:
  ignoring return value of 'ssize_t write(int, const void*, size_t)',
  declared with attribute warn_unused_result [-Werror=unused-result]
   write(STDOUT_FILENO, identifiable_string, 0);

Change-Id: I3f2305fbec0dbd1464de9aeff051e7cba2ee69a2
Reviewed-on: https://chromium-review.googlesource.com/438545
Reviewed-by: Ivan Penkov <ivanpe@chromium.org>
This commit is contained in:
Mike Frysinger 2017-02-06 21:27:59 -05:00
parent 64c2eda38a
commit 8b0a1053e2
3 changed files with 6 additions and 4 deletions
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2
src/client/linux/microdump_writer/microdump_writer_unittest.cc
View file

@ -95,7 +95,7 @@ void CrashAndGetMicrodump(const MappingList& mappings,
// has been sanitized.
strcpy(identifiable_string, kIdentifiableString);
// Force the strcpy to not be optimized away.
write(STDOUT_FILENO, identifiable_string, 0);
IGNORE_RET(write(STDOUT_FILENO, identifiable_string, 0));
const pid_t child = fork();
if (child == 0) {

5
src/client/mac/tests/exception_handler_test.cc
View file

@ -36,6 +36,7 @@
#include "breakpad_googletest_includes.h"
#include "client/mac/handler/exception_handler.h"
#include "common/linux/ignore_ret.h"
#include "common/mac/MachIPC.h"
#include "common/tests/auto_tempdir.h"
#include "google_breakpad/processor/minidump.h"
@ -93,7 +94,7 @@ static bool MDCallback(const char *dump_dir, const char *file_name,
path.append(".dmp");
int fd = *reinterpret_cast<int*>(context);
(void)write(fd, path.c_str(), path.length() + 1);
IGNORE_RET(write(fd, path.c_str(), path.length() + 1));
close(fd);
exit(0);
// not reached
@ -293,7 +294,7 @@ TEST_F(ExceptionHandlerTest, DumpChildProcess) {
// Unblock child process
uint8_t data = 1;
(void)write(fds[1], &data, 1);
IGNORE_RET(write(fds[1], &data, 1));
// Child process should have exited with a zero status.
int ret;

3
src/client/mac/tests/minidump_generator_test.cc
View file

@ -42,6 +42,7 @@
#include "breakpad_googletest_includes.h"
#include "client/mac/handler/minidump_generator.h"
#include "client/mac/tests/spawn_child_process.h"
#include "common/linux/ignore_ret.h"
#include "common/mac/MachIPC.h"
#include "common/tests/auto_tempdir.h"
#include "google_breakpad/processor/minidump.h"
@ -190,7 +191,7 @@ TEST_F(MinidumpGeneratorTest, OutOfProcess) {
// Unblock child process
uint8_t data = 1;
(void)write(fds[1], &data, 1);
IGNORE_RET(write(fds[1], &data, 1));
// Child process should have exited with a zero status.
int ret;