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Fix compilation warnings related to unchecked return values

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Patch by Chris Dearman <chris@mips.com>
R=benchan at http://breakpad.appspot.com/377001

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@957 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek
2012-04-25 11:22:09 +00:00
parent 258f2459fc
commit 24c3c97633
3 changed files with 43 additions and 28 deletions
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59
src/client/linux/minidump_writer/line_reader_unittest.cc
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@@ -33,6 +33,7 @@
#include "client/linux/minidump_writer/line_reader.h"
#include "breakpad_googletest_includes.h"
#include "common/linux/eintr_wrapper.h"
using namespace google_breakpad;
@@ -70,16 +71,17 @@ TEST(LineReaderTest, EmptyFile) {
TEST(LineReaderTest, OneLineTerminated) {
const int fd = TemporaryFile();
write(fd, "a\n", 2);
const int r = HANDLE_EINTR(write(fd, "a\n", 2));
ASSERT_EQ(2, r);
lseek(fd, 0, SEEK_SET);
LineReader reader(fd);
const char *line;
unsigned int len;
ASSERT_TRUE(reader.GetNextLine(&line, &len));
ASSERT_EQ(len, (unsigned int)1);
ASSERT_EQ(line[0], 'a');
ASSERT_EQ(line[1], 0);
ASSERT_EQ((unsigned int)1, len);
ASSERT_EQ('a', line[0]);
ASSERT_EQ('\0', line[1]);
reader.PopLine(len);
ASSERT_FALSE(reader.GetNextLine(&line, &len));
@@ -89,16 +91,17 @@ TEST(LineReaderTest, OneLineTerminated) {
TEST(LineReaderTest, OneLine) {
const int fd = TemporaryFile();
write(fd, "a", 1);
const int r = HANDLE_EINTR(write(fd, "a", 1));
ASSERT_EQ(1, r);
lseek(fd, 0, SEEK_SET);
LineReader reader(fd);
const char *line;
unsigned len;
ASSERT_TRUE(reader.GetNextLine(&line, &len));
ASSERT_EQ(len, (unsigned)1);
ASSERT_EQ(line[0], 'a');
ASSERT_EQ(line[1], 0);
ASSERT_EQ((unsigned)1, len);
ASSERT_EQ('a', line[0]);
ASSERT_EQ('\0', line[1]);
reader.PopLine(len);
ASSERT_FALSE(reader.GetNextLine(&line, &len));
@@ -108,22 +111,23 @@ TEST(LineReaderTest, OneLine) {
TEST(LineReaderTest, TwoLinesTerminated) {
const int fd = TemporaryFile();
write(fd, "a\nb\n", 4);
const int r = HANDLE_EINTR(write(fd, "a\nb\n", 4));
ASSERT_EQ(4, r);
lseek(fd, 0, SEEK_SET);
LineReader reader(fd);
const char *line;
unsigned len;
ASSERT_TRUE(reader.GetNextLine(&line, &len));
ASSERT_EQ(len, (unsigned)1);
ASSERT_EQ(line[0], 'a');
ASSERT_EQ(line[1], 0);
ASSERT_EQ((unsigned)1, len);
ASSERT_EQ('a', line[0]);
ASSERT_EQ('\0', line[1]);
reader.PopLine(len);
ASSERT_TRUE(reader.GetNextLine(&line, &len));
ASSERT_EQ(len, (unsigned)1);
ASSERT_EQ(line[0], 'b');
ASSERT_EQ(line[1], 0);
ASSERT_EQ((unsigned)1, len);
ASSERT_EQ('b', line[0]);
ASSERT_EQ('\0', line[1]);
reader.PopLine(len);
ASSERT_FALSE(reader.GetNextLine(&line, &len));
@@ -133,22 +137,23 @@ TEST(LineReaderTest, TwoLinesTerminated) {
TEST(LineReaderTest, TwoLines) {
const int fd = TemporaryFile();
write(fd, "a\nb", 3);
const int r = HANDLE_EINTR(write(fd, "a\nb", 3));
ASSERT_EQ(3, r);
lseek(fd, 0, SEEK_SET);
LineReader reader(fd);
const char *line;
unsigned len;
ASSERT_TRUE(reader.GetNextLine(&line, &len));
ASSERT_EQ(len, (unsigned)1);
ASSERT_EQ(line[0], 'a');
ASSERT_EQ(line[1], 0);
ASSERT_EQ((unsigned)1, len);
ASSERT_EQ('a', line[0]);
ASSERT_EQ('\0', line[1]);
reader.PopLine(len);
ASSERT_TRUE(reader.GetNextLine(&line, &len));
ASSERT_EQ(len, (unsigned)1);
ASSERT_EQ(line[0], 'b');
ASSERT_EQ(line[1], 0);
ASSERT_EQ((unsigned)1, len);
ASSERT_EQ('b', line[0]);
ASSERT_EQ('\0', line[1]);
reader.PopLine(len);
ASSERT_FALSE(reader.GetNextLine(&line, &len));
@@ -160,16 +165,17 @@ TEST(LineReaderTest, MaxLength) {
const int fd = TemporaryFile();
char l[LineReader::kMaxLineLen - 1];
memset(l, 'a', sizeof(l));
write(fd, l, sizeof(l));
const int r = HANDLE_EINTR(write(fd, l, sizeof(l)));
ASSERT_EQ(sizeof(l), r);
lseek(fd, 0, SEEK_SET);
LineReader reader(fd);
const char *line;
unsigned len;
ASSERT_TRUE(reader.GetNextLine(&line, &len));
ASSERT_EQ(len, sizeof(l));
ASSERT_EQ(sizeof(l), len);
ASSERT_TRUE(memcmp(l, line, sizeof(l)) == 0);
ASSERT_EQ(line[len], 0);
ASSERT_EQ('\0', line[len]);
close(fd);
}
@@ -178,7 +184,8 @@ TEST(LineReaderTest, TooLong) {
const int fd = TemporaryFile();
char l[LineReader::kMaxLineLen];
memset(l, 'a', sizeof(l));
write(fd, l, sizeof(l));
const int r = HANDLE_EINTR(write(fd, l, sizeof(l)));
ASSERT_EQ(sizeof(l), r);
lseek(fd, 0, SEEK_SET);
LineReader reader(fd);