Rocco Rutte:

[apps/madmutt.git] / pager.c

diff --git a/pager.c b/pager.c
index 9d5444c..57a5509 100644 (file)
--- a/pager.c
+++ b/pager.c
@@ -16,6 +16,7 @@
 #endif
 
 #include "mutt.h"
+#include "enter.h"
 #include "mutt_curses.h"
 #include "keymap.h"
 #include "mutt_menu.h"
@@ -23,6 +24,7 @@
 #include "sort.h"
 #include "pager.h"
 #include "attach.h"
+#include "recvattach.h"
 #include "mbyte.h"
 #include "sidebar.h"
 #include "buffy.h"
@@ -345,8 +347,8 @@ static void cleanup_quote (struct q_class_t **QuoteList)
       cleanup_quote (&((*QuoteList)->down));
     ptr = (*QuoteList)->next;
     if ((*QuoteList)->prefix)
-      FREE (&(*QuoteList)->prefix);
-    FREE (QuoteList);
+      mem_free (&(*QuoteList)->prefix);
+    mem_free (QuoteList);
     *QuoteList = ptr;
   }
 
@@ -367,7 +369,7 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
     /* not much point in classifying quotes... */
 
     if (*QuoteList == NULL) {
-      class = (struct q_class_t *) safe_calloc (1, sizeof (struct q_class_t));
+      class = (struct q_class_t *) mem_calloc (1, sizeof (struct q_class_t));
       class->color = ColorQuote[0];
       *QuoteList = class;
     }
@@ -381,7 +383,7 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
     if (length <= q_list->length) {
       /* case 1: check the top level nodes */
 
-      if (safe_strncmp (qptr, q_list->prefix, length) == 0) {
+      if (str_ncmp (qptr, q_list->prefix, length) == 0) {
         if (length == q_list->length)
           return q_list;        /* same prefix: return the current class */
 
@@ -389,8 +391,8 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
         if (tmp == NULL) {
           /* add a node above q_list */
           tmp =
-            (struct q_class_t *) safe_calloc (1, sizeof (struct q_class_t));
-          tmp->prefix = (char *) safe_calloc (1, length + 1);
+            (struct q_class_t *) mem_calloc (1, sizeof (struct q_class_t));
+          tmp->prefix = (char *) mem_calloc (1, length + 1);
           strncpy (tmp->prefix, qptr, length);
           tmp->length = length;
 
@@ -470,7 +472,7 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
 
       /* tmp != NULL means we already found a shorter prefix at case 1 */
       if (tmp == NULL
-          && safe_strncmp (qptr, q_list->prefix, q_list->length) == 0) {
+          && str_ncmp (qptr, q_list->prefix, q_list->length) == 0) {
         /* ok, it's a subclass somewhere on this branch */
 
         ptr = q_list;
@@ -482,7 +484,7 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
 
         while (q_list) {
           if (length <= q_list->length) {
-            if (safe_strncmp (tail_qptr, (q_list->prefix) + offset, tail_lng)
+            if (str_ncmp (tail_qptr, (q_list->prefix) + offset, tail_lng)
                 == 0) {
               /* same prefix: return the current class */
               if (length == q_list->length)
@@ -491,10 +493,10 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
               /* found shorter common prefix */
               if (tmp == NULL) {
                 /* add a node above q_list */
-                tmp = (struct q_class_t *) safe_calloc (1,
+                tmp = (struct q_class_t *) mem_calloc (1,
                                                         sizeof (struct
                                                                 q_class_t));
-                tmp->prefix = (char *) safe_calloc (1, length + 1);
+                tmp->prefix = (char *) mem_calloc (1, length + 1);
                 strncpy (tmp->prefix, qptr, length);
                 tmp->length = length;
 
@@ -566,7 +568,7 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
           else {
             /* longer than the current prefix: try subclassing it */
             if (tmp == NULL
-                && safe_strncmp (tail_qptr, (q_list->prefix) + offset,
+                && str_ncmp (tail_qptr, (q_list->prefix) + offset,
                                  q_list->length - offset) == 0) {
               /* still a subclass: go down one level */
               ptr = q_list;
@@ -589,8 +591,8 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
         /* still not found so far: add it as a sibling to the current node */
         if (class == NULL) {
           tmp =
-            (struct q_class_t *) safe_calloc (1, sizeof (struct q_class_t));
-          tmp->prefix = (char *) safe_calloc (1, length + 1);
+            (struct q_class_t *) mem_calloc (1, sizeof (struct q_class_t));
+          tmp->prefix = (char *) mem_calloc (1, length + 1);
           strncpy (tmp->prefix, qptr, length);
           tmp->length = length;
 
@@ -622,8 +624,8 @@ static struct q_class_t *classify_quote (struct q_class_t **QuoteList,
 
   if (class == NULL) {
     /* not found so far: add it as a top level class */
-    class = (struct q_class_t *) safe_calloc (1, sizeof (struct q_class_t));
-    class->prefix = (char *) safe_calloc (1, length + 1);
+    class = (struct q_class_t *) mem_calloc (1, sizeof (struct q_class_t));
+    class->prefix = (char *) mem_calloc (1, length + 1);
     strncpy (class->prefix, qptr, length);
     class->length = length;
     new_class_color (class, q_level);
@@ -672,17 +674,17 @@ resolve_types (char *buf, char *raw, struct line_t *lineInfo, int n, int last,
       }
     }
   }
-  else if (safe_strncmp ("\033[0m", raw, 4) == 0)       /* a little hack... */
+  else if (str_ncmp ("\033[0m", raw, 4) == 0)       /* a little hack... */
     lineInfo[n].type = MT_COLOR_NORMAL;
 #if 0
-  else if (safe_strncmp ("[-- ", buf, 4) == 0)
+  else if (str_ncmp ("[-- ", buf, 4) == 0)
     lineInfo[n].type = MT_COLOR_ATTACHMENT;
 #else
   else if (check_attachment_marker ((char *) raw) == 0)
     lineInfo[n].type = MT_COLOR_ATTACHMENT;
 #endif
-  else if (mutt_strcmp ("-- \n", buf) == 0
-           || mutt_strcmp ("-- \r\n", buf) == 0) {
+  else if (str_cmp ("-- \n", buf) == 0
+           || str_cmp ("-- \r\n", buf) == 0) {
     i = n + 1;
 
     lineInfo[n].type = MT_COLOR_SIGNATURE;
@@ -693,7 +695,7 @@ resolve_types (char *buf, char *raw, struct line_t *lineInfo, int n, int last,
       /* oops... */
       if (lineInfo[i].chunks) {
         lineInfo[i].chunks = 0;
-        safe_realloc (&(lineInfo[n].syntax), sizeof (struct syntax_t));
+        mem_realloc (&(lineInfo[n].syntax), sizeof (struct syntax_t));
       }
       lineInfo[i++].type = MT_COLOR_SIGNATURE;
     }
@@ -757,7 +759,7 @@ resolve_types (char *buf, char *raw, struct line_t *lineInfo, int n, int last,
           if (pmatch[0].rm_eo != pmatch[0].rm_so) {
             if (!found) {
               if (++(lineInfo[n].chunks) > 1)
-                safe_realloc (&(lineInfo[n].syntax),
+                mem_realloc (&(lineInfo[n].syntax),
                               (lineInfo[n].chunks) *
                               sizeof (struct syntax_t));
             }
@@ -878,6 +880,24 @@ static int grok_ansi (unsigned char *buf, int pos, ansi_attr * a)
   return pos;
 }
 
+/* trim tail of buf so that it contains complete multibyte characters */
+static int trim_incomplete_mbyte(unsigned char *buf, size_t len) {
+  mbstate_t mbstate;
+  size_t k;
+
+  memset (&mbstate, 0, sizeof (mbstate));
+  for (; len > 0; buf += k, len -= k) {
+    k = mbrtowc (NULL, (char *) buf, len, &mbstate);
+    if (k == -2) 
+      break; 
+    else if (k == -1 || k == 0) 
+      k = 1;
+  }
+  *buf = '\0';
+
+  return len;
+}
+
 static int
 fill_buffer (FILE * f, long *last_pos, long offset, unsigned char *buf,
              unsigned char *fmt, size_t blen, int *buf_ready)
@@ -897,6 +917,11 @@ fill_buffer (FILE * f, long *last_pos, long offset, unsigned char *buf,
     b_read = (int) (*last_pos - offset);
     *buf_ready = 1;
 
+    /* incomplete mbyte characters trigger a segfault in regex processing for
+     * certain versions of glibc. Trim them if necessary. */
+    if (b_read == blen - 2)
+      b_read -= trim_incomplete_mbyte(buf, b_read);
+
     /* copy "buf" to "fmt", but without bold and underline controls */
     p = buf;
     while (*p) {
@@ -1117,12 +1142,12 @@ display_line (FILE * f, long *last_pos, struct line_t **lineInfo, int n,
   }
 
   if (*last == *max) {
-    safe_realloc (lineInfo, sizeof (struct line_t) * (*max += LINES));
+    mem_realloc (lineInfo, sizeof (struct line_t) * (*max += LINES));
     for (ch = *last; ch < *max; ch++) {
       memset (&((*lineInfo)[ch]), 0, sizeof (struct line_t));
       (*lineInfo)[ch].type = -1;
       (*lineInfo)[ch].search_cnt = -1;
-      (*lineInfo)[ch].syntax = safe_malloc (sizeof (struct syntax_t));
+      (*lineInfo)[ch].syntax = mem_malloc (sizeof (struct syntax_t));
       ((*lineInfo)[ch].syntax)[0].first = ((*lineInfo)[ch].syntax)[0].last =
         -1;
     }
@@ -1194,10 +1219,10 @@ display_line (FILE * f, long *last_pos, struct line_t **lineInfo, int n,
            (SearchRE, (char *) fmt + offset, 1, pmatch,
             (offset ? REG_NOTBOL : 0)) == 0) {
       if (++((*lineInfo)[n].search_cnt) > 1)
-        safe_realloc (&((*lineInfo)[n].search),
+        mem_realloc (&((*lineInfo)[n].search),
                       ((*lineInfo)[n].search_cnt) * sizeof (struct syntax_t));
       else
-        (*lineInfo)[n].search = safe_malloc (sizeof (struct syntax_t));
+        (*lineInfo)[n].search = mem_malloc (sizeof (struct syntax_t));
       pmatch[0].rm_so += offset;
       pmatch[0].rm_eo += offset;
       ((*lineInfo)[n].search)[(*lineInfo)[n].search_cnt - 1].first =
@@ -1434,12 +1459,12 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
     mutt_set_flag (Context, extra->hdr, M_READ, 1);
   }
 
-  lineInfo = safe_malloc (sizeof (struct line_t) * (maxLine = LINES));
+  lineInfo = mem_malloc (sizeof (struct line_t) * (maxLine = LINES));
   for (i = 0; i < maxLine; i++) {
     memset (&lineInfo[i], 0, sizeof (struct line_t));
     lineInfo[i].type = -1;
     lineInfo[i].search_cnt = -1;
-    lineInfo[i].syntax = safe_malloc (sizeof (struct syntax_t));
+    lineInfo[i].syntax = mem_malloc (sizeof (struct syntax_t));
     (lineInfo[i].syntax)[0].first = (lineInfo[i].syntax)[0].last = -1;
   }
 
@@ -1517,7 +1542,7 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
         lines = Resize->line;
         redraw |= REDRAW_SIGWINCH;
 
-        FREE (&Resize);
+        mem_free (&Resize);
       }
 #endif
 
@@ -1688,7 +1713,7 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
           lines++;
 
       if (flags & M_PAGER_RETWINCH) {
-        Resize = safe_malloc (sizeof (struct resize));
+        Resize = mem_malloc (sizeof (struct resize));
 
         Resize->line = lines;
         Resize->SearchCompiled = SearchCompiled;
@@ -1706,9 +1731,9 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
           lineInfo[i].search_cnt = -1;
           lineInfo[i].quote = NULL;
 
-          safe_realloc (&(lineInfo[i].syntax), sizeof (struct syntax_t));
+          mem_realloc (&(lineInfo[i].syntax), sizeof (struct syntax_t));
           if (SearchCompiled && lineInfo[i].search)
-            FREE (&(lineInfo[i].search));
+            mem_free (&(lineInfo[i].search));
         }
 
         lastLine = 0;
@@ -1884,7 +1909,7 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
         regfree (&SearchRE);
         for (i = 0; i < lastLine; i++) {
           if (lineInfo[i].search)
-            FREE (&(lineInfo[i].search));
+            mem_free (&(lineInfo[i].search));
           lineInfo[i].search_cnt = -1;
         }
       }
@@ -1898,7 +1923,7 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
         for (i = 0; i < maxLine; i++) {
           /* cleanup */
           if (lineInfo[i].search)
-            FREE (&(lineInfo[i].search));
+            mem_free (&(lineInfo[i].search));
           lineInfo[i].search_cnt = -1;
         }
         SearchFlag = 0;
@@ -2188,9 +2213,9 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
           lineInfo[i].search_cnt = -1;
           lineInfo[i].quote = NULL;
 
-          safe_realloc (&(lineInfo[i].syntax), sizeof (struct syntax_t));
+          mem_realloc (&(lineInfo[i].syntax), sizeof (struct syntax_t));
           if (SearchCompiled && lineInfo[i].search)
-            FREE (&(lineInfo[i].search));
+            mem_free (&(lineInfo[i].search));
         }
 
         if (SearchCompiled) {
@@ -2304,7 +2329,7 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
       else
         followup_to = extra->hdr->env->followup_to;
 
-      if (!followup_to || safe_strcasecmp (followup_to, "poster") ||
+      if (!followup_to || str_casecmp (followup_to, "poster") ||
           query_quadoption (OPT_FOLLOWUPTOPOSTER,
                             _("Reply by mail as poster prefers?")) != M_YES) {
         if (extra->ctx && extra->ctx->magic == M_NNTP
@@ -2505,6 +2530,8 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
       break;
 
     case OP_BUFFY_LIST:
+      if (option (OPTFORCEBUFFYCHECK))
+        buffy_check (1);
       buffy_list ();
       redraw |= REDRAW_SIDEBAR;
       break;
@@ -2570,15 +2597,15 @@ mutt_pager (const char *banner, const char *fname, int flags, pager_t * extra)
   cleanup_quote (&QuoteList);
 
   for (i = 0; i < maxLine; i++) {
-    FREE (&(lineInfo[i].syntax));
+    mem_free (&(lineInfo[i].syntax));
     if (SearchCompiled && lineInfo[i].search)
-      FREE (&(lineInfo[i].search));
+      mem_free (&(lineInfo[i].search));
   }
   if (SearchCompiled) {
     regfree (&SearchRE);
     SearchCompiled = 0;
   }
-  FREE (&lineInfo);
+  mem_free (&lineInfo);
   if (index)
     mutt_menuDestroy (&index);
   return (rc != -1 ? rc : 0);