Prompt cosmetics.

[mymail.git] / mymail.c

diff --git a/mymail.c b/mymail.c
index 0e9009a..b890b4b 100644 (file)
--- a/mymail.c
+++ b/mymail.c
@@ -59,6 +59,7 @@ regex_t leading_from_line_regexp;
 
 int paranoid;
 int quiet;
+char *default_search_field;
 
 /********************************************************************/
 
@@ -206,6 +207,8 @@ void print_usage(FILE *out) {
   fprintf(out, "         index mails\n");
   fprintf(out, " -o <output filename>, --output <output filename>\n");
   fprintf(out, "         set the result file, use stdout if unset\n");
+  fprintf(out, " -a <search field>, --default-search <search field>\n");
+  fprintf(out, "         set the default search field\n");
 }
 
 /*********************************************************************/
@@ -229,9 +232,22 @@ int ignore_entry(const char *name) {
     (name[0] == '.' && name[1] != '/');
 }
 
-int is_a_leading_from_line(char *s) {
-  return strncmp(s, "From ", 5) == 0 &&
-    regexec(&leading_from_line_regexp, s, 0, 0, 0) == 0;
+int is_a_leading_from_line(int last_mbox_line_was_empty, char *mbox_line) {
+  return
+
+    /*
+
+      The mbox man page in qmail documentation states:
+
+       > The reader should not attempt to take advantage of the fact
+       > that every From_ line (past the beginning of the file) is
+       > preceded by a blank line.
+
+    */
+
+    /* last_mbox_line_was_empty && */
+    strncmp(mbox_line, "From ", 5) == 0 &&
+    regexec(&leading_from_line_regexp, mbox_line, 0, 0, 0) == 0;
 }
 
 int mbox_line_match_search(struct search_condition *condition,
@@ -318,8 +334,7 @@ void update_body_hits(char *mail_filename, int position_in_mail,
       }
 
       if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) ||
-         (last_mbox_line_was_empty &&
-          is_a_leading_from_line(raw_mbox_line)))
+         (is_a_leading_from_line(last_mbox_line_was_empty, raw_mbox_line)))
         break;
     }
   }
@@ -441,8 +456,7 @@ void search_in_db(const char *db_filename,
               fprintf(output_file, "%s", raw_mbox_line);
               while(1) {
                 if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) ||
-                   (last_mbox_line_was_empty &&
-                    is_a_leading_from_line(raw_mbox_line))
+                   (is_a_leading_from_line(last_mbox_line_was_empty, raw_mbox_line))
                    )
                   break;
                 last_mbox_line_was_empty = (raw_mbox_line[0] == '\n');
@@ -568,8 +582,7 @@ void index_mbox(const char *mbox_filename,
   last_mbox_line_was_empty = 1;
 
   while(fgets(raw_mbox_line, BUFFER_SIZE, file)) {
-    if(last_mbox_line_was_empty &&
-       is_a_leading_from_line(raw_mbox_line)) {
+    if(is_a_leading_from_line(last_mbox_line_was_empty, raw_mbox_line)) {
       if(in_header) {
         fprintf(stderr,
                 "Got a ^\"From \" in the header in %s:%lu.\n",
@@ -683,16 +696,18 @@ static struct option long_options[] = {
   { "search", 1, 0, 's' },
   { "index", 0, 0, 'i' },
   { "output", 1, 0, 'o' },
+  { "default-search", 1, 0, 'a' },
   { 0, 0, 0, 0 }
 };
 
 /*********************************************************************/
 
-void init_condition(struct search_condition *condition, char *string) {
+void init_condition(struct search_condition *condition, char *full_string) {
   char full_search_field[TOKEN_BUFFER_SIZE], *search_field;
   int m;
+  char *string;
 
-  string = parse_token(full_search_field, TOKEN_BUFFER_SIZE, ' ', string);
+  string = parse_token(full_search_field, TOKEN_BUFFER_SIZE, ' ', full_string);
   search_field = full_search_field;
 
   if(search_field[0] == '!') {
@@ -702,7 +717,7 @@ void init_condition(struct search_condition *condition, char *string) {
     condition->negation = 0;
   }
 
-  /* Last 8 hours */
+  /* Recently */
 
   if(strcmp(search_field, "8h") == 0) {
     condition->field_id = ID_INTERVAL;
@@ -716,7 +731,11 @@ void init_condition(struct search_condition *condition, char *string) {
     condition->interval_stop = 0;
   }
 
-  /* Today and yesterday */
+  else if(strcmp(search_field, "month") == 0) {
+    condition->field_id = ID_INTERVAL;
+    condition->interval_start = time(0) - 3600 * 24 * 31;
+    condition->interval_stop = 0;
+  }
 
   else if(strcmp(search_field, "24h") == 0 ||
           strcmp(search_field, "today") == 0) {
@@ -725,6 +744,8 @@ void init_condition(struct search_condition *condition, char *string) {
     condition->interval_stop = 0;
   }
 
+  /* Yesterday */
+
   else if(strcmp(search_field, "yesterday") == 0) {
     condition->field_id = ID_INTERVAL;
     condition->interval_start = time(0) - 2 * 3600 * 24;
@@ -776,6 +797,9 @@ void init_condition(struct search_condition *condition, char *string) {
   }
 
   else {
+
+    /* header-related conditions */
+
     condition->field_id = -1;
 
     for(m = 0; (m < MAX_ID) && condition->field_id == -1; m++) {
@@ -784,6 +808,18 @@ void init_condition(struct search_condition *condition, char *string) {
       }
     }
 
+    if(condition->field_id == -1) {
+      if(default_search_field) {
+        for(m = 0; (m < MAX_ID) && condition->field_id == -1; m++) {
+          if(strncmp(field_names[m],
+                     default_search_field, strlen(default_search_field)) == 0) {
+            condition->field_id = m;
+          }
+        }
+        string = full_string;
+      }
+    }
+
     if(condition->field_id == -1) {
       fprintf(stderr,
               "mymail: Syntax error in field name \"%s\".\n",
@@ -820,7 +856,6 @@ int main(int argc, char **argv) {
   char *db_filename_list;
   char output_filename[PATH_MAX + 1];
   int action_index;
-
   int error = 0, show_help = 0;
   const int nb_fields_to_parse = sizeof(fields_to_parse) / sizeof(struct parsable_field);
   char c;
@@ -844,12 +879,13 @@ int main(int argc, char **argv) {
   db_root_path = 0;
   db_filename_list = 0;
   quiet = 0;
+  default_search_field = 0;
 
   setlocale(LC_ALL, "");
 
   nb_search_conditions = 0;
 
-  while ((c = getopt_long(argc, argv, "hvqip:s:d:r:l:o:",
+  while ((c = getopt_long(argc, argv, "hvqip:s:d:r:l:o:a:",
                           long_options, NULL)) != -1) {
 
     switch(c) {
@@ -899,6 +935,10 @@ int main(int argc, char **argv) {
       nb_search_conditions++;
       break;
 
+    case 'a':
+      default_search_field = optarg;
+      break;
+
     default:
       error = 1;
       break;