+ int hits[MAX_NB_SEARCH_REQUESTS];
+ char raw_db_line[BUFFER_SIZE];
+ char raw_mbox_line[BUFFER_SIZE];
+ char current_mail_filename[PATH_MAX + 1];
+ unsigned long int current_position_in_mail;
+ char *mbox_name, *mbox_value;
+ int mbox_id;
+ int already_written, m, n;
+ int last_mbox_line_was_empty;
+
+ current_position_in_mail = 0;
+ already_written = 0;
+
+ for(n = 0; n < nb_search_requests; n++) { hits[n] = 0; }
+
+ while(fgets(raw_db_line, BUFFER_SIZE, db_file)) {
+ mbox_name = raw_db_line;
+ mbox_value = segment_next_field(raw_db_line);
+
+ if(strcmp("mail", mbox_name) == 0) {
+ char *position_in_file_string;
+ char *mail_filename;
+
+ for(n = 0; n < nb_search_requests && xor(hits[n], search_requests[n].negation); n++);
+
+ /* for(n = 0; n < nb_search_requests && */
+ /* ((hits[n] && !search_requests[n].negation) || */
+ /* (!hits[n] && search_requests[n].negation)); n++); */
+
+ if(n == nb_search_requests) {
+ FILE *mail_file;
+
+ mail_file = fopen(current_mail_filename, "r");
+
+ if(!mail_file) {
+ fprintf(stderr, "mymail: Cannot open mbox '%s'.\n", current_mail_filename);
+ exit(EXIT_FAILURE);
+ }
+
+ fseek(mail_file, current_position_in_mail, SEEK_SET);
+
+ if(fgets(raw_mbox_line, BUFFER_SIZE, mail_file)) {
+ last_mbox_line_was_empty = 1;
+ printf("%s", raw_mbox_line);
+ while(1) {
+ if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) ||
+ (last_mbox_line_was_empty && strncmp(raw_mbox_line, "From ", 5) == 0)) break;
+ last_mbox_line_was_empty = (raw_mbox_line[0] == '\n');
+ printf("%s", raw_mbox_line);
+ }
+ }
+
+ fclose(mail_file);
+ }