From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dan Nicolaescu Newsgroups: gmane.emacs.devel Subject: Problem report #59 Date: Tue, 11 Apr 2006 08:49:16 -0700 Message-ID: <200604111549.k3BFnGjC015117@scanner2.ics.uci.edu> Reply-To: emacs-devel@gnu.org NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1144771063 5353 80.91.229.2 (11 Apr 2006 15:57:43 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 11 Apr 2006 15:57:43 +0000 (UTC) Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 11 17:57:42 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1FTLFD-0006Gm-BU for ged-emacs-devel@m.gmane.org; Tue, 11 Apr 2006 17:57:31 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FTLFD-0000gL-13 for ged-emacs-devel@m.gmane.org; Tue, 11 Apr 2006 11:57:31 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FTLAI-0002zU-KV for emacs-devel@gnu.org; Tue, 11 Apr 2006 11:52:26 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FTLAF-0002uE-3S for emacs-devel@gnu.org; Tue, 11 Apr 2006 11:52:23 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FTLAE-0002tr-Ih for emacs-devel@gnu.org; Tue, 11 Apr 2006 11:52:22 -0400 Original-Received: from [128.195.1.36] (helo=scanner2.ics.uci.edu) by monty-python.gnu.org with esmtp (Exim 4.52) id 1FTLF7-0002Wp-T6 for emacs-devel@gnu.org; Tue, 11 Apr 2006 11:57:26 -0400 Original-Received: from vino.ics.uci.edu (vino.ics.uci.edu [128.195.11.198]) by scanner2.ics.uci.edu (8.13.6/8.13.5) with ESMTP id k3BFnGjC015117 for ; Tue, 11 Apr 2006 08:49:16 -0700 (PDT) Original-To: emacs-devel@gnu.org Original-Lines: 110 X-ICS-MailScanner: Found to be clean X-ICS-MailScanner-SpamCheck: not spam (whitelisted), SpamAssassin (score=-1.44, required 5, autolearn=disabled, ALL_TRUSTED -1.44) X-ICS-MailScanner-From: dann@vino.ics.uci.edu X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:52678 Archived-At: CID: 59 Checker: UNINIT (help) File: emacs/src/editfns.c Function: Ftranslate_region_internal Description: Using uninitialized value "str_len" 2883 cnt = 0; 2884 for (; pos < end_pos; ) 2885 { At conditional (1): "pos_byte >= ((current_buffer)->text)->gpt_byte" taking true path 2886 register unsigned char *p = BYTE_POS_ADDR (pos_byte); 2887 unsigned char *str, buf[MAX_MULTIBYTE_LENGTH]; Event var_decl: Declared variable "str_len" without initializer Also see events: [uninit_use] 2888 int len, str_len; 2889 int oc; 2890 At conditional (2): "multibyte != 0" taking true path 2891 if (multibyte) At conditional (3): "*p < 128" taking true path At conditional (4): "((*p < 128) ? 1 : (bytes_by_char_head[*p])) == 1" taking true path 2892 oc = STRING_CHAR_AND_LENGTH (p, MAX_MULTIBYTE_LENGTH, len); 2893 else 2894 oc = *p, len = 1; At conditional (5): "oc < size" taking true path 2895 if (oc < size) 2896 { At conditional (6): "tt != 0" taking false path 2897 if (tt) 2898 { 2899 /* Reload as signal_after_change in last iteration may GC. */ 2900 tt = SDATA (table); 2901 if (string_multibyte) 2902 { 2903 str = tt + string_char_to_byte (table, oc); 2904 nc = STRING_CHAR_AND_LENGTH (str, MAX_MULTIBYTE_LENGTH, 2905 str_len); 2906 } 2907 else 2908 { 2909 nc = tt[oc]; 2910 if (! ASCII_BYTE_P (nc) && multibyte) 2911 { 2912 str_len = CHAR_STRING (nc, buf); 2913 str = buf; 2914 } 2915 else 2916 { 2917 str_len = 1; 2918 str = tt + oc; 2919 } 2920 } 2921 } 2922 else 2923 { 2924 Lisp_Object val; 2925 int c; 2926 2927 nc = oc; At conditional (7): "oc >= 0" taking true path At conditional (8): "oc < 256" taking true path At conditional (9): "(table & -8)->contents[oc] != Qnil" taking true path 2928 val = CHAR_TABLE_REF (table, oc); At conditional (10): "val & 7 == 0" taking true path At conditional (11): "c >= 0" taking true path At conditional (12): "c & 255 == c" taking false path At conditional (13): "char_valid_p != 0" taking false path 2929 if (INTEGERP (val) 2930 && (c = XINT (val), CHAR_VALID_P (c, 0))) 2931 { 2932 nc = c; 2933 str_len = CHAR_STRING (nc, buf); 2934 str = buf; 2935 } 2936 } 2937 At conditional (14): "nc != oc" taking true path 2938 if (nc != oc) 2939 { Event uninit_use: Using uninitialized value "str_len" Also see events: [var_decl] 2940 if (len != str_len) 2941 { 2942 Lisp_Object string; 2943 2944 /* This is less efficient, because it moves the gap, 2945 but it should multibyte characters correctly. */ 2946 string = make_multibyte_string (str, 1, str_len); 29