2011-02-22 Chris Allegretta <chrisa@asty.org>

* color.c (nfreeregex): Fix that we were trying to set the pointer passed by value
          to NULL.  Fixes crashes on file save reported by Ken Tyler and Matthieu Lejeune.



git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4532 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -1,3 +1,7 @@
+2011-02-22 Chris Allegretta <chrisa@asty.org>
+	* color.c (nfreeregex): Fix that we were trying to set the pointer passed by value
+	  to NULL.  Fixes crashes on file save reported by Ken Tyler and Matthieu Lejeune.
+
 2011-02-18 Chris Allegretta <chrisa@asty.org>
 	* New saved cursor position history option.  Command line option -P or --poslog, rc file
 	  entry "poslog".  Search history changes to ~/.nano/search_history, cursor position log
@@ -7,7 +11,7 @@
 	  4.15 discussing the change and offering an interoperability workaround.
 	* files.c (load_history): Set last_search to the last search value we loaded from history,
 	  so do_research will succeed without needing to manually load the last seach in.  Fixes
-	  bug reported by Matt "ML" at gmail.
+	  bug reported by Matthieu Lejeune.
 
 2011-02-12 Chris Allegretta <chrisa@asty.org>
 	* Initial libmagic implementation, adapted from Eitan Adler <eitanadlerlist@gmail.com>.

src/color.c

@@ -108,13 +108,13 @@ void color_init(void)
 }
 
 /* Cleanup a regex we previously compiled */
-void nfreeregex(regex_t *r)
+void nfreeregex(regex_t **r)
 {
     assert(r != NULL);
 
-    regfree(r);
-    free(r);
-    r = NULL;
+    regfree(*r);
+    free(*r);
+    *r = NULL;
 }
 
 /* Update the color information based on the current filename. */
@@ -219,7 +219,7 @@ void color_update(void)
 		/* Decompile e->ext_regex's specified regex if we aren't
 		 * going to use it. */
 		if (not_compiled)
-		    nfreeregex(e->ext);
+		    nfreeregex(&e->ext);
 	    }
 	}
 
@@ -251,7 +251,7 @@ void color_update(void)
 		    }
 
 		    if (not_compiled)
-			nfreeregex(e->ext);
+			nfreeregex(&e->ext);
 		}
 	    }
 	}
@@ -292,7 +292,7 @@ void color_update(void)
 		    /* Decompile e->ext_regex's specified regex if we aren't
 		     * going to use it. */
 		    if (not_compiled)
-			nfreeregex(e->ext);
+			nfreeregex(&e->ext);
 		}
 	    }
 	}