+void recursive_search_in_db(const char *entry_name,
+ int nb_search_requests,
+ struct search_request *search_requests) {
+ DIR *dir;
+ struct dirent *dir_e;
+ struct stat sb;
+ char raw_db_line[BUFFER_SIZE];
+ char subname[PATH_MAX + 1];
+
+ if(lstat(entry_name, &sb) != 0) {
+ fprintf(stderr,
+ "mymail: Cannot stat \"%s\": %s\n",
+ entry_name,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ dir = opendir(entry_name);
+
+ if(dir) {
+ while((dir_e = readdir(dir))) {
+ if(!ignore_entry(dir_e->d_name)) {
+ snprintf(subname, PATH_MAX, "%s/%s", entry_name, dir_e->d_name);
+ recursive_search_in_db(subname,
+ nb_search_requests,
+ search_requests);
+ }
+ }
+ closedir(dir);
+ } else {
+ const char *s = entry_name, *filename = entry_name;
+ while(*s) { if(*s == '/') { filename = s+1; } s++; }
+
+ if(strcmp(filename, db_filename) == 0) {
+ FILE *db_file = fopen(entry_name, "r");
+
+ if(!db_file) {
+ fprintf(stderr,
+ "mymail: Cannot open \"%s\" for reading: %s\n",
+ db_filename,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ if(fgets(raw_db_line, BUFFER_SIZE, db_file)) {
+ if(strncmp(raw_db_line, MYMAIL_DB_MAGIC_TOKEN, strlen(MYMAIL_DB_MAGIC_TOKEN))) {
+ fprintf(stderr,
+ "mymail: Header line in '%s' does not match the mymail db format.\n",
+ entry_name);
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ fprintf(stderr,
+ "mymail: Cannot read the header line in '%s'.\n",
+ entry_name);
+ exit(EXIT_FAILURE);
+ }
+
+ search_in_db(nb_search_requests, search_requests, db_file);
+
+ fclose(db_file);
+ }
+ }
+}