+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;
+
+}
+
+