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Fix a bug of truncating empty file

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This commit is contained in:
Tianlong Wu 2016-04-22 14:49:37 +08:00
parent b979d40778
commit 115bd51f3f
2 changed files with 21 additions and 2 deletions
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4
src/curl.cpp
View File

@ -2595,7 +2595,7 @@ int S3fsCurl::PreGetObjectRequest(const char* tpath, int fd, off_t start, ssize_
{
S3FS_PRN_INFO3("[tpath=%s][start=%jd][size=%zd]", SAFESTRPTR(tpath), (intmax_t)start, size);
if(!tpath || -1 == fd || 0 > start || 0 >= size){
if(!tpath || -1 == fd || 0 > start || 0 > size){
return -1;
}
@ -2611,7 +2611,7 @@ int S3fsCurl::PreGetObjectRequest(const char* tpath, int fd, off_t start, ssize_
requestHeaders = NULL;
responseHeaders.clear();
if(-1 != start && -1 != size){
if(-1 != start && 0 < size){
string range = "bytes=";
range += str(start);
range += "-";

19
test/integration-test-main.sh
View File

@ -41,6 +41,24 @@ function test_truncate_file {
rm_test_file
}
function test_truncate_empty_file {
echo "Testing truncate empty file ..."
# Write an empty test file
touch ${TEST_TEXT_FILE}
# Truncate the file to 1024 length
t_size=1024
truncate ${TEST_TEXT_FILE} -s $t_size
# Verify file is zero length
size=$(stat -c %s ${TEST_TEXT_FILE})
if [ $t_size -ne $size ]
then
echo "error: expected ${TEST_TEXT_FILE} to be $t_size length, got $size"
exit 1
fi
rm_test_file
}
function test_mv_file {
describe "Testing mv file function ..."
@ -377,6 +395,7 @@ function test_write_after_seek_ahead {
function add_all_tests {
add_tests test_append_file
add_tests test_truncate_file
add_tests test_truncate_empty_file
add_tests test_mv_file
add_tests test_mv_directory
add_tests test_redirects