-int create_eventdefs(void)
-{
- int ret = 0;
- char eventdefs_path[PATH_MAX];
- char eventdefs_file[PATH_MAX];
- char facilities_file[PATH_MAX];
- char read_buf[BUF_SIZE];
- struct dirent *entry;
- char *facilities_path = getenv("LTT_FACILITIES");
- if(facilities_path == NULL) facilities_path =
- PACKAGE_DATA_DIR "/" PACKAGE "/facilities";
-
- ret = mkdir(trace_root, S_IRWXU|S_IRWXG|S_IRWXO);
- if(ret == -1 && errno != EEXIST) {
- ret = errno;
- perror("Cannot create trace_root directory");
- printf("trace_root is %s\n", trace_root);
- goto error;
- }
- ret = 0;
-
- size_t trace_root_len = strlen(trace_root);
- strncpy(eventdefs_path, trace_root, PATH_MAX);
- strncat(eventdefs_path, "/eventdefs/", PATH_MAX - trace_root_len);
- size_t eventdefs_path_len = strlen(eventdefs_path);
- ret = mkdir(eventdefs_path, S_IRWXU|S_IRWXG|S_IRWXO);
- if(ret == -1 && (!append_trace || errno != EEXIST)) {
- ret = errno;
- perror("Cannot create eventdefs directory");
- goto error;
- }
- ret = 0;
-
- DIR *facilities_dir = opendir(facilities_path);
-
- if(facilities_dir == NULL) {
- perror("Cannot open facilities directory");
- ret = EEXIST;
- goto error;
- }
-
- while((entry = readdir(facilities_dir)) != NULL) {
- if(entry->d_name[0] == '.') continue;
-
- printf("Appending facility file %s\n", entry->d_name);
- strncpy(eventdefs_file, eventdefs_path, PATH_MAX);
- strncat(eventdefs_file, entry->d_name, PATH_MAX - eventdefs_path_len);
- /* Append to the file */
- FILE *dest = fopen(eventdefs_file, "a");
- if(!dest) {
- perror("Cannot create eventdefs file");
- continue;
- }
- strncpy(facilities_file, facilities_path, PATH_MAX);
- size_t facilities_dir_len = strlen(facilities_path);
- strncat(facilities_file, "/", PATH_MAX - facilities_dir_len);
- strncat(facilities_file, entry->d_name, PATH_MAX - facilities_dir_len-1);
- FILE *src = fopen(facilities_file, "r");
- if(!src) {
- ret = errno;
- perror("Cannot open eventdefs file for reading");
- goto close_dest;
- }
-
- do {
- size_t read_size, write_size;
- read_size = fread(read_buf, sizeof(char), BUF_SIZE, src);
- if(ferror(src)) {
- ret = errno;
- perror("Cannot read eventdefs file");
- goto close_src;
- }
- write_size = fwrite(read_buf, sizeof(char), read_size, dest);
- if(ferror(dest)) {
- ret = errno;
- perror("Cannot write eventdefs file");
- goto close_src;
- }
- } while(!feof(src));
-
- /* Add spacing between facilities */
- fwrite("\n", 1, 1, dest);
-
-close_src:
- fclose(src);
-close_dest:
- fclose(dest);
- }
-
- closedir(facilities_dir);
-
-error:
- return ret;
-
-}
-
-