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Create "set" of filenames for use when archiving

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Stephen Seo 2024-07-24 14:05:05 +09:00
parent 2f4c0d3679
commit c6d2d50c0f
2 changed files with 28 additions and 1 deletions
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25
src/archiver.c
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@ -846,6 +846,19 @@ int write_files_fn(void *data, void *ud) {
void cleanup_nop_fn(__attribute__((unused)) void *unused) {}
void cleanup_free_fn(void *data) { free(data); }
int filenames_to_abs_map_fn(void *data, void *ud) {
SDArchiverFileInfo *file_info = data;
SDArchiverHashMap **abs_filenames = ud;
// Get combined full path to file.
char *fullpath = filename_to_absolute_path(file_info->filename);
simple_archiver_hash_map_insert(abs_filenames, fullpath, fullpath,
strlen(fullpath) + 1, cleanup_nop_fn, NULL);
return 0;
}
char *simple_archiver_error_to_string(enum SDArchiverStateReturns error) {
switch (error) {
case SDAS_SUCCESS:
@ -864,6 +877,8 @@ char *simple_archiver_error_to_string(enum SDArchiverStateReturns error) {
return "Invalid file";
case SDAS_INTERNAL_ERROR:
return "Internal error";
case SDAS_FAILED_TO_CREATE_MAP:
return "Failed to create set of filenames (internal error)";
default:
return "Unknown error";
}
@ -878,6 +893,7 @@ SDArchiverState *simple_archiver_init_state(const SDArchiverParsed *parsed) {
state->flags = 0;
state->parsed = parsed;
state->out_f = NULL;
state->map = NULL;
return state;
}
@ -891,6 +907,14 @@ void simple_archiver_free_state(SDArchiverState **state) {
int simple_archiver_write_all(FILE *out_f, SDArchiverState *state,
const SDArchiverLinkedList *filenames) {
// First create a "set" of absolute paths to given filenames.
__attribute__((cleanup(simple_archiver_hash_map_free)))
SDArchiverHashMap *abs_filenames = simple_archiver_hash_map_init();
if (simple_archiver_list_get(filenames, filenames_to_abs_map_fn,
&abs_filenames)) {
return SDAS_FAILED_TO_CREATE_MAP;
}
if (fwrite("SIMPLE_ARCHIVE_VER", 1, 18, out_f) != 18) {
return SDAS_FAILED_TO_WRITE;
}
@ -974,6 +998,7 @@ int simple_archiver_write_all(FILE *out_f, SDArchiverState *state,
state->count = 0;
state->max = filenames->count;
state->out_f = out_f;
state->map = abs_filenames;
fprintf(stderr, "Begin archiving...\n");
fprintf(stderr, "[%10u/%10u]\n", state->count, state->max);
if (simple_archiver_list_get(filenames, write_files_fn, state)) {

4
src/archiver.h
View file

@ -31,6 +31,7 @@ typedef struct SDArchiverState {
unsigned int flags;
const SDArchiverParsed *parsed;
FILE *out_f;
SDArchiverHashMap *map;
unsigned int count;
unsigned int max;
} SDArchiverState;
@ -43,7 +44,8 @@ enum SDArchiverStateReturns {
SDAS_NO_DECOMPRESSOR,
SDAS_INVALID_PARSED_STATE,
SDAS_INVALID_FILE,
SDAS_INTERNAL_ERROR
SDAS_INTERNAL_ERROR,
SDAS_FAILED_TO_CREATE_MAP
};
/// Returned pointer must not be freed.