(re_search_2): Fix call to CHAR_HEAD_P.

(re_match_2_internal): Use PTR_BYTE_POS and PT_BYTE.

diff --git a/regex.c b/regex.c
index 7efb934..56aeb23 100644 (file)
--- a/regex.c
+++ b/regex.c
@@ -3904,7 +3904,7 @@ re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
              int len = 0;
 
              /* Find the head of multibyte form.  */
-             while (!CHAR_HEAD_P (p))
+             while (!CHAR_HEAD_P (*p))
                p--, len++;
 
              /* Adjust it. */
@@ -5319,15 +5319,17 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
                 is the character at D, and S2 is the syntax of C2.  */
              int c1, c2, s1, s2;
              int pos1 = PTR_TO_OFFSET (d - 1);
+             int charpos;
 
              GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
              GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
 #ifdef emacs
-             UPDATE_SYNTAX_TABLE (pos1 ? pos1 : 1);
+             charpos = BYTE_TO_CHAR (pos1 ? pos1 : 1);
+             UPDATE_SYNTAX_TABLE (charpos);
 #endif
              s1 = SYNTAX (c1);
 #ifdef emacs
-             UPDATE_SYNTAX_TABLE_FORWARD (pos1 + 1);
+             UPDATE_SYNTAX_TABLE_FORWARD (charpos + 1);
 #endif
              s2 = SYNTAX (c2);
 
@@ -5354,15 +5356,17 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
                 is the character at D, and S2 is the syntax of C2.  */
              int c1, c2, s1, s2;
              int pos1 = PTR_TO_OFFSET (d - 1);
+             int charpos;
 
              GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
              GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
 #ifdef emacs
-             UPDATE_SYNTAX_TABLE (pos1);
+             charpos = BYTE_TO_CHAR (pos1);
+             UPDATE_SYNTAX_TABLE (charpos);
 #endif
              s1 = SYNTAX (c1);
 #ifdef emacs
-             UPDATE_SYNTAX_TABLE_FORWARD (pos1 + 1);
+             UPDATE_SYNTAX_TABLE_FORWARD (charpos + 1);
 #endif
              s2 = SYNTAX (c2);
 
@@ -5389,9 +5393,11 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
                 is the character at D, and S2 is the syntax of C2.  */
              int c1, c2, s1, s2;
              int pos1 = PTR_TO_OFFSET (d);
+             int charpos;
 
              GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
 #ifdef emacs
+             charpos = BYTE_TO_CHAR (pos1);
              UPDATE_SYNTAX_TABLE (pos1);
 #endif
              s2 = SYNTAX (c2);
@@ -5405,7 +5411,7 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
                {
                  GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
 #ifdef emacs
-                 UPDATE_SYNTAX_TABLE_BACKWARD (pos1 - 1);
+                 UPDATE_SYNTAX_TABLE_BACKWARD (charpos - 1);
 #endif
                  s1 = SYNTAX (c1);
 
@@ -5430,8 +5436,14 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
              /* C1 is the character before D, S1 is the syntax of C1, C2
                 is the character at D, and S2 is the syntax of C2.  */
              int c1, c2, s1, s2;
+             int pos1 = PTR_TO_OFFSET (d);
+             int charpos;
 
              GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
+#ifdef emacs
+             charpos = BYTE_TO_CHAR (pos1 - 1);
+             UPDATE_SYNTAX_TABLE (pos1);
+#endif
              s1 = SYNTAX (c1);
 
              /* Case 2: S1 is not Sword.  */
@@ -5442,6 +5454,9 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
              if (!AT_STRINGS_END (d))
                {
                  GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
+#ifdef emacs
+                 UPDATE_SYNTAX_TABLE_FORWARD (charpos);
+#endif
                  s2 = SYNTAX (c2);
 
                  /* ... and S2 is Sword, and WORD_BOUNDARY_P (C1, C2)
@@ -5455,19 +5470,19 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
 #ifdef emacs
        case before_dot:
          DEBUG_PRINT1 ("EXECUTING before_dot.\n");
-         if (PTR_CHAR_POS ((unsigned char *) d) >= PT)
+         if (PTR_BYTE_POS ((unsigned char *) d) >= PT_BYTE)
            goto fail;
          break;
 
        case at_dot:
          DEBUG_PRINT1 ("EXECUTING at_dot.\n");
-         if (PTR_CHAR_POS ((unsigned char *) d) != PT)
+         if (PTR_BYTE_POS ((unsigned char *) d) != PT_BYTE)
            goto fail;
          break;
 
        case after_dot:
          DEBUG_PRINT1 ("EXECUTING after_dot.\n");
-         if (PTR_CHAR_POS ((unsigned char *) d) <= PT)
+         if (PTR_BYTE_POS ((unsigned char *) d) <= PT_BYTE)
            goto fail;
          break;
 
@@ -5483,7 +5498,7 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
          PREFETCH ();
 #ifdef emacs
          {
-           int pos1 = PTR_TO_OFFSET (d);
+           int pos1 = BYTE_TO_CHAR (PTR_TO_OFFSET (d));
            UPDATE_SYNTAX_TABLE (pos1);
          }
 #endif
@@ -5517,7 +5532,7 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
          PREFETCH ();
 #ifdef emacs
          {
-           int pos1 = PTR_TO_OFFSET (d);
+           int pos1 = BYTE_TO_CHAR (PTR_TO_OFFSET (d));
            UPDATE_SYNTAX_TABLE (pos1);
          }
 #endif