upstream/543467-thread-segfault.patch: patch to prevent mutt from segfaulting when...

[software/mutt-debian.git] / pattern.c

diff --git a/pattern.c b/pattern.c
index 089499d16e1ee47c34cd14634ce75d8531b6a653..489a1d03529530299204e70bdf9d00ca1e0f13a0 100644 (file)
--- a/pattern.c
+++ b/pattern.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1996-2000,2006 Michael R. Elkins <me@mutt.org>, and others
+ * Copyright (C) 1996-2000,2006-7 Michael R. Elkins <me@mutt.org>, and others
  * 
  *     This program is free software; you can redistribute it and/or modify
  *     it under the terms of the GNU General Public License as published by
@@ -46,7 +46,7 @@ static int eat_date (pattern_t *pat, BUFFER *, BUFFER *);
 static int eat_range (pattern_t *pat, BUFFER *, BUFFER *);
 static int patmatch (const pattern_t *pat, const char *buf);
 
-struct pattern_flags
+static struct pattern_flags
 {
   int tag;     /* character used to represent this op */
   int op;      /* operation to perform */
@@ -97,7 +97,7 @@ Flags[] =
   { 'z', M_SIZE,               0,              eat_range },
   { '=', M_DUPLICATED,         0,              NULL },
   { '$', M_UNREFERENCED,       0,              NULL },
-  { 0 }
+  { 0,   0,                    0,              NULL }
 };
 
 static pattern_t *SearchPattern = NULL; /* current search pattern */
@@ -118,19 +118,6 @@ static char LastSearchExpn[LONG_STRING] = { 0 }; /* expanded version of
 #define M_PDR_ERRORDONE        (M_PDR_ERROR | M_PDR_DONE)
 
 
-int mutt_getvaluebychar (char ch, struct mapping_t *table)
-{
-  int i;
-
-  for (i = 0; table[i].name; i++)
-  {
-    if (ch == table[i].name[0])
-      return table[i].value;
-  }
-
-  return (-1);
-}
-
 /* if no uppercase letters are given, do a case-insensitive search */
 int mutt_which_case (const char *s)
 {
@@ -193,9 +180,9 @@ msg_search (CONTEXT *ctx, pattern_t* pat, int msgno)
             && !crypt_valid_passphrase(h->security))
        {
          mx_close_message (&msg);
-         if (fp)
+         if (s.fpout)
          {
-           fclose (fp);
+           safe_fclose (&s.fpout);
            unlink (tempfile);
          }
          return (0);
@@ -255,7 +242,7 @@ msg_search (CONTEXT *ctx, pattern_t* pat, int msgno)
 
     if (option (OPTTHOROUGHSRC))
     {
-      fclose (fp);
+      safe_fclose (&fp);
       unlink (tempfile);
     }
   }
@@ -263,7 +250,7 @@ msg_search (CONTEXT *ctx, pattern_t* pat, int msgno)
   return match;
 }
 
-int eat_regexp (pattern_t *pat, BUFFER *s, BUFFER *err)
+static int eat_regexp (pattern_t *pat, BUFFER *s, BUFFER *err)
 {
   BUFFER buf;
   int r;
@@ -290,6 +277,7 @@ int eat_regexp (pattern_t *pat, BUFFER *s, BUFFER *err)
   if (pat->stringmatch)
   {
     pat->p.str = safe_strdup (buf.data);
+    pat->ign_case = mutt_which_case (buf.data) == REG_ICASE;
     FREE (&buf.data);
   }
   else if (pat->groupmatch)
@@ -713,7 +701,8 @@ static int eat_date (pattern_t *pat, BUFFER *s, BUFFER *err)
 static int patmatch (const pattern_t* pat, const char* buf)
 {
   if (pat->stringmatch)
-    return !strstr (buf, pat->p.str);
+    return pat->ign_case ? !strcasestr (buf, pat->p.str) :
+                          !strstr (buf, pat->p.str);
   else if (pat->groupmatch)
     return !mutt_group_match (pat->p.g, buf);
   else
@@ -1166,7 +1155,8 @@ mutt_pattern_exec (struct pattern_t *pat, pattern_exec_flag flags, CONTEXT *ctx,
     case M_SIZE:
       return (pat->not ^ (h->content->length >= pat->min && (pat->max == M_MAXRANGE || h->content->length <= pat->max)));
     case M_REFERENCE:
-      return (pat->not ^ match_reference (pat, h->env->references));
+      return (pat->not ^ (match_reference (pat, h->env->references) ||
+                         match_reference (pat, h->env->in_reply_to)));
     case M_ADDRESS:
       return (pat->not ^ match_adrlist (pat, flags & M_MATCH_FULL_ADDRESS, 4,
                                         h->env->from, h->env->sender,
@@ -1411,15 +1401,16 @@ int mutt_search_command (int cur, int op)
   progress_t progress;
   const char* msg = NULL;
 
-  if (op != OP_SEARCH_NEXT && op != OP_SEARCH_OPPOSITE)
+  if (!*LastSearch || (op != OP_SEARCH_NEXT && op != OP_SEARCH_OPPOSITE))
   {
-    strfcpy (buf, LastSearch, sizeof (buf));
-    if (mutt_get_field ((op == OP_SEARCH) ? _("Search for: ") :
-                     _("Reverse search for: "), buf, sizeof (buf),
+    strfcpy (buf, *LastSearch ? LastSearch : "", sizeof (buf));
+    if (mutt_get_field ((op == OP_SEARCH || op == OP_SEARCH_NEXT) ?
+                       _("Search for: ") : _("Reverse search for: "),
+                       buf, sizeof (buf),
                      M_CLEAR | M_PATTERN) != 0 || !buf[0])
       return (-1);
 
-    if (op == OP_SEARCH)
+    if (op == OP_SEARCH || op == OP_SEARCH_NEXT)
       unset_option (OPTSEARCHREVERSE);
     else
       set_option (OPTSEARCHREVERSE);
@@ -1430,7 +1421,7 @@ int mutt_search_command (int cur, int op)
     mutt_check_simple (temp, sizeof (temp), NONULL (SimpleSearch));
 
     if (!SearchPattern || mutt_strcmp (temp, LastSearchExpn))
-    {
+     {
       set_option (OPTSEARCHINVALID);
       strfcpy (LastSearch, buf, sizeof (LastSearch));
       mutt_message _("Compiling search pattern...");
@@ -1438,18 +1429,13 @@ int mutt_search_command (int cur, int op)
       err.data = error;
       err.dsize = sizeof (error);
       if ((SearchPattern = mutt_pattern_comp (temp, M_FULL_MSG, &err)) == NULL)
-      {
+       {
        mutt_error ("%s", error);
        return (-1);
       }
       mutt_clear_error ();
     }
   }
-  else if (!SearchPattern)
-  {
-    mutt_error _("No search pattern.");
-    return (-1);
-  }
 
   if (option (OPTSEARCHINVALID))
   {