X-Git-Url: https://www.fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=mymail.git;a=blobdiff_plain;f=mymail.c;h=ffc562145f6ef7bf69bf4d8cdc4b50610987481b;hp=5d16bb3b31f8e18f610a1a7b2df11eb3c95adcaf;hb=c2a75b190fced9a626a70fb2886889ce0e231af7;hpb=ed9a958f95d7436aa585bc57a5e4761e8120be02

diff --git a/mymail.c b/mymail.c
index 5d16bb3..ffc5621 100644
--- a/mymail.c
+++ b/mymail.c
@@ -101,6 +101,7 @@ struct search_condition {
 
 struct parsable_field {
   int id;
+  int cflags;
   char *regexp_string;
   regex_t regexp;
 };
@@ -108,31 +109,36 @@ struct parsable_field {
 static struct parsable_field fields_to_parse[] = {
   {
     ID_LEADING_LINE,
+    0,
     "^From ",
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
   },
 
   {
     ID_FROM,
-    "^\\([Ff][Rr][Oo][Mm]:\\|[Rr][Ee][Pp][Ll][Yy]-[Tt][Oo]:\\|[Ss][Ee][Nn][Dd][Ee][Rr]:\\)",
+    REG_ICASE,
+    "^\\(from\\|reply-to\\|sender\\|return-path\\): ",
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
   },
 
   {
     ID_TO,
-    "^\\([Tt][Oo]\\|[Cc][Cc]\\|[Bb][Cc][Cc]\\): ",
+    REG_ICASE,
+    "^\\(to\\|cc\\|bcc\\): ",
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
   },
 
   {
     ID_SUBJECT,
-    "^[Ss][Uu][Bb][Jj][Ee][Cc][Tt]: ",
+    REG_ICASE,
+    "^subject: ",
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
   },
 
   {
     ID_DATE,
-    "^[Dd][Aa][Tt][Ee]: ",
+    REG_ICASE,
+    "^date: ",
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
   },
 
@@ -232,9 +238,22 @@ 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,
@@ -273,7 +292,9 @@ int mbox_line_match_search(struct search_condition *condition,
        (condition->field_id == ID_FROM && mbox_id == ID_LEADING_LINE)
 
        )
+
       &&
+
       regexec(&condition->regexp, mbox_value, 0, 0, 0) == 0;
   }
 }
@@ -321,8 +342,7 @@ 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;
     }
   }
@@ -444,8 +464,7 @@ 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');
@@ -571,8 +590,7 @@ 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",
@@ -1012,7 +1030,7 @@ int main(int argc, char **argv) {
     for(f = 0; f < nb_fields_to_parse; f++) {
       if(regcomp(&fields_to_parse[f].regexp,
                  fields_to_parse[f].regexp_string,
-                 REG_ICASE)) {
+                 fields_to_parse[f].cflags)) {
         fprintf(stderr,
                 "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n",
                 fields_to_parse[f].regexp_string,