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#include "spm.h"
FSTree *fstree(const char *_path) {
FTS *parent = NULL;
FTSENT *node = NULL;
FSTree *fsdata = NULL;
char *path = realpath(_path, NULL);
char *root[2] = { path, NULL };
size_t dirs_size = 2;
size_t dirs_records = 0;
size_t files_size = 2;
size_t files_records = 0;
fsdata = (FSTree *)calloc(1, sizeof(FSTree));
fsdata->root= (char *)calloc(strlen(path) + 1, sizeof(char));
fsdata->dirs = (char **)calloc(dirs_size, sizeof(char *));
fsdata->files= (char **)calloc(files_size, sizeof(char *));
strncpy(fsdata->root, path, strlen(path));
parent = fts_open(root, FTS_PHYSICAL | FTS_NOCHDIR, &_fstree_compare);
if (parent != NULL) {
while ((node = fts_read(parent)) != NULL) {
switch (node->fts_info) {
case FTS_D:
if (strcmp(node->fts_path, "..") == 0 || strcmp(node->fts_path, ".") == 0) {
continue;
}
fsdata->dirs = (char **)realloc(fsdata->dirs, sizeof(char*) * dirs_size);
fsdata->dirs[dirs_size - 1] = NULL;
fsdata->dirs[dirs_records] = (char *)calloc(strlen(node->fts_path) + 1, sizeof(char));
strncpy(fsdata->dirs[dirs_records], node->fts_path, strlen(node->fts_path));
dirs_size++;
dirs_records++;
break;
case FTS_F:
case FTS_SL:
fsdata->files = (char **)realloc(fsdata->files, sizeof(char*) * files_size);
fsdata->files[files_size - 1] = NULL;
fsdata->files[files_records] = (char *)calloc(strlen(node->fts_path) + 1, sizeof(char));
strncpy(fsdata->files[files_records], node->fts_path, strlen(node->fts_path));
files_size++;
files_records++;
break;
default:
break;
}
}
fts_close(parent);
}
fsdata->dirs_length = dirs_records;
fsdata->files_length = files_records;
free(path);
return fsdata;
}
int _fstree_compare(const FTSENT **one, const FTSENT **two) {
return (strcmp((*one)->fts_name, (*two)->fts_name));
}
int rmdirs(const char *_path) {
if (access(_path, F_OK) != 0) {
return -1;
}
FSTree *data = fstree(_path);
if (data->files) {
for (int i = 0; data->files[i] != NULL; i++) {
remove(data->files[i]);
}
}
if (data->dirs) {
for (int i = data->dirs_length - 1; i != 0; i--) {
remove(data->dirs[i]);
}
}
remove(data->root);
fstree_free(data);
return 0;
}
void fstree_free(FSTree *fsdata) {
if (fsdata != NULL) {
if (fsdata->root != NULL) {
free(fsdata->root);
}
if (fsdata->files != NULL) {
for (int i = 0; fsdata->files[i] != NULL; i++) {
free(fsdata->files[i]);
}
}
if (fsdata->dirs != NULL) {
for (int i = 0; fsdata->dirs[i] != NULL; i++) {
free(fsdata->dirs[i]);
}
}
free(fsdata);
}
}
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