stephenseo/SimpleArchiver
1
0
Fork 0
Code Issues 1 Pull requests Projects 1 Releases 8 Packages Wiki Activity Actions

Fix robust cleanup of temporary compressed file
All checks were successful
Run Unit Tests / build-and-run-unit-tests (push) Successful in 4s
Details

Browse source
This commit is contained in:
Stephen Seo 2024-07-18 22:56:12 +09:00
parent 5f8d6b0c0b
commit d30c30995f
1 changed files with 15 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
src/archiver.c
View file

@ -72,13 +72,19 @@ int write_list_datas_fn(void *data, void *ud) {
return 0;
}
void cleanup_temp_filename_delete(char **tmpfilename) {
void cleanup_temp_filename_delete(void ***ptrs_array) {
#if SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_COSMOPOLITAN || \
SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_MAC || \
SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_LINUX
if (tmpfilename && *tmpfilename) {
unlink(*tmpfilename);
*tmpfilename = NULL;
if (ptrs_array && *ptrs_array) {
if ((*ptrs_array)[1]) {
free_FILE_helper((FILE **)(*ptrs_array)[1]);
}
if ((*ptrs_array)[0]) {
unlink((char *)((*ptrs_array)[0]));
}
free(*ptrs_array);
*ptrs_array = NULL;
}
#endif
}
@ -130,6 +136,10 @@ int write_files_fn(void *data, void *ud) {
}
__attribute__((cleanup(free_FILE_helper))) FILE *tmp_fd =
fopen(temp_filename, "wb");
__attribute__((cleanup(cleanup_temp_filename_delete))) void **ptrs_array =
malloc(sizeof(void *) * 2);
ptrs_array[0] = temp_filename;
ptrs_array[1] = &tmp_fd;
if (!tmp_fd) {
// Unable to create temp file.
return 1;
@ -361,8 +371,7 @@ int write_files_fn(void *data, void *ud) {
// Get compressed file length.
// Compressed file should be at "temp_filename".
tmp_fd = fopen(temp_filename, "rb");
__attribute__((cleanup(cleanup_temp_filename_delete))) char
*temp_filename_cleanup_reference = temp_filename;
long end;
if (fseek(tmp_fd, 0, SEEK_END) != 0) {
// Error seeking.