Prompt cosmetics.

[mymail.git] / mymail.c

diff --git a/mymail.c b/mymail.c
index 2519a7a..b890b4b 100644 (file)
--- a/mymail.c
+++ b/mymail.c
@@ -55,17 +55,11 @@
 
 regex_t leading_from_line_regexp;
 
-char *db_filename;
-char *db_filename_regexp_string;
-char *db_root_path;
-char *db_filename_list;
-char output_filename[PATH_MAX + 1];
+/* Global variables! */
 
 int paranoid;
-int action_index;
 int quiet;
-
-time_t being_today;
+char *default_search_field;
 
 /********************************************************************/
 
@@ -213,6 +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");
 }
 
 /*********************************************************************/
@@ -236,9 +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,
@@ -325,8 +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;
     }
   }
@@ -448,8 +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');
@@ -575,8 +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",
@@ -690,16 +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] == '!') {
@@ -709,9 +717,23 @@ void init_condition(struct search_condition *condition, char *string) {
     condition->negation = 0;
   }
 
-  if(strcmp(search_field, "6h") == 0) {
+  /* Recently */
+
+  if(strcmp(search_field, "8h") == 0) {
+    condition->field_id = ID_INTERVAL;
+    condition->interval_start = time(0) - 3600 * 8;
+    condition->interval_stop = 0;
+  }
+
+  else if(strcmp(search_field, "week") == 0) {
+    condition->field_id = ID_INTERVAL;
+    condition->interval_start = time(0) - 3600 * 24 * 7;
+    condition->interval_stop = 0;
+  }
+
+  else if(strcmp(search_field, "month") == 0) {
     condition->field_id = ID_INTERVAL;
-    condition->interval_start = time(0) - 3600 * 6;
+    condition->interval_start = time(0) - 3600 * 24 * 31;
     condition->interval_stop = 0;
   }
 
@@ -722,6 +744,16 @@ 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;
+    condition->interval_stop = condition->interval_start + 3600 * 24;
+  }
+
+  /* Week days */
+
   else if(strcmp(search_field, "monday") == 0) {
     condition->field_id = ID_INTERVAL;
     condition->interval_start = time_for_past_day(1);
@@ -764,13 +796,10 @@ void init_condition(struct search_condition *condition, char *string) {
     condition->interval_stop = condition->interval_start + 3600 * 24;
   }
 
-  else if(strcmp(search_field, "yesterday") == 0) {
-    condition->field_id = ID_INTERVAL;
-    condition->interval_start = time(0) - 2 * 3600 * 24;
-    condition->interval_stop = condition->interval_start + 3600 * 24;
-  }
-
   else {
+
+    /* header-related conditions */
+
     condition->field_id = -1;
 
     for(m = 0; (m < MAX_ID) && condition->field_id == -1; m++) {
@@ -779,6 +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",
@@ -809,6 +850,12 @@ void free_condition(struct search_condition *condition) {
 /*********************************************************************/
 
 int main(int argc, char **argv) {
+  char *db_filename;
+  char *db_filename_regexp_string;
+  char *db_root_path;
+  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;
@@ -828,15 +875,17 @@ int main(int argc, char **argv) {
   paranoid = 0;
   action_index = 0;
   db_filename = 0;
+  db_filename_regexp_string = 0;
   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) {
@@ -886,6 +935,10 @@ int main(int argc, char **argv) {
       nb_search_conditions++;
       break;
 
+    case 'a':
+      default_search_field = optarg;
+      break;
+
     default:
       error = 1;
       break;