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path: root/recipes/mc/mc-4.6.2/99b_fix-regex-pattern-lengths.patch
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--- mc-4.6.2/edit/editcmd.c
+++ mc-4.6.2/edit/editcmd.c
@@ -1511,6 +1511,32 @@
 		     sargs[argord[8]], sargs[argord[9]], sargs[argord[10]], sargs[argord[11]], \
 		     sargs[argord[12]], sargs[argord[13]], sargs[argord[14]], sargs[argord[15]]
 
+#ifdef UTF8
+size_t
+real_mbstrlen (const char *str)
+{
+    if (SLsmg_Is_Unicode) {
+        size_t width = 0;
+
+        for (; *str; str++) {
+            wchar_t c;
+            size_t len;
+
+            len = mbrtowc (&c, str, MB_CUR_MAX, NULL);
+	    
+            if (len == (size_t)(-1) || len == (size_t)(-2)) break;
+	    
+            if (len > 0) {
+                width ++;
+                str += len-1;
+            }
+        }
+
+        return width;
+    } else
+	return strlen (str);
+}
+#endif
 
 /* This function is a modification of mc-3.2.10/src/view.c:regexp_view_search() */
 /* returns -3 on error in pattern, -1 on not found, found_len = 0 if either */
@@ -1582,7 +1608,7 @@
 	    continue;
 	tmp = string[pmatch[i].rm_so];
 	string[pmatch[i].rm_so] = 0;
-	new_o = mbstrlen(string);
+	new_o = real_mbstrlen(string);
 	string[pmatch[i].rm_so] = tmp;
 	pmatch[i].rm_so = new_o; 
 
@@ -1590,7 +1616,7 @@
 	    continue;
 	tmp = string[pmatch[i].rm_eo];
 	string[pmatch[i].rm_eo] = 0;
-	new_o = mbstrlen(string);
+	new_o = real_mbstrlen(string);
 	string[pmatch[i].rm_eo] = tmp;
 	pmatch[i].rm_eo = new_o; 
     }