From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-15?Q?Ren=E9_Scharfe?= Subject: [PATCH][CLEANUP] remove ecb parameter from xdi_diff_outf() Date: Tue, 04 May 2010 22:41:34 +0200 Message-ID: <4BE0867E.3060906@lsrfire.ath.cx> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: Git Mailing List To: Junio C Hamano X-From: git-owner@vger.kernel.org Tue May 04 22:42:03 2010 connect(): No such file or directory Return-path: Envelope-to: gcvg-git-2@lo.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1O9OwH-0007te-S4 for gcvg-git-2@lo.gmane.org; Tue, 04 May 2010 22:41:58 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934087Ab0EDUlt (ORCPT ); Tue, 4 May 2010 16:41:49 -0400 Received: from india601.server4you.de ([85.25.151.105]:57091 "EHLO india601.server4you.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752112Ab0EDUls (ORCPT ); Tue, 4 May 2010 16:41:48 -0400 Received: from [10.0.1.100] (p57B7C751.dip.t-dialin.net [87.183.199.81]) by india601.server4you.de (Postfix) with ESMTPSA id B59522F8059; Tue, 4 May 2010 22:41:46 +0200 (CEST) User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4 Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: xdi_diff_outf() overrides the structure members of its last parameter, ignoring any value that callers pass in. It's no surprise then that all callers pass a pointer to an uninitialized structure. They also don't read it after the call, so the parameter is neither used for input nor for output. Turn it into a local variable of xdi_diff_outf(). Signed-off-by: Rene Scharfe --- combine-diff.c | 3 +-- diff.c | 15 +++++---------- xdiff-interface.c | 11 ++++++----- xdiff-interface.h | 3 +-- 4 files changed, 13 insertions(+), 19 deletions(-) diff --git a/combine-diff.c b/combine-diff.c index 3480dae..7557136 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -211,7 +211,6 @@ static void combine_diff(const unsigned char *parent, unsigned int mode, xpparam_t xpp; xdemitconf_t xecfg; mmfile_t parent_file; - xdemitcb_t ecb; struct combine_diff_state state; unsigned long sz; @@ -231,7 +230,7 @@ static void combine_diff(const unsigned char *parent, unsigned int mode, state.n = n; xdi_diff_outf(&parent_file, result_file, consume_line, &state, - &xpp, &xecfg, &ecb); + &xpp, &xecfg); free(parent_file.ptr); /* Assign line numbers for this parent. diff --git a/diff.c b/diff.c index d0ecbc3..e40c127 100644 --- a/diff.c +++ b/diff.c @@ -700,7 +700,6 @@ static void diff_words_show(struct diff_words_data *diff_words) { xpparam_t xpp; xdemitconf_t xecfg; - xdemitcb_t ecb; mmfile_t minus, plus; /* special case: only removal */ @@ -722,7 +721,7 @@ static void diff_words_show(struct diff_words_data *diff_words) /* as only the hunk header will be parsed, we need a 0-context */ xecfg.ctxlen = 0; xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, diff_words, - &xpp, &xecfg, &ecb); + &xpp, &xecfg); free(minus.ptr); free(plus.ptr); if (diff_words->current_plus != diff_words->plus.text.ptr + @@ -1708,7 +1707,6 @@ static void builtin_diff(const char *name_a, const char *diffopts = getenv("GIT_DIFF_OPTS"); xpparam_t xpp; xdemitconf_t xecfg; - xdemitcb_t ecb; struct emit_callback ecbdata; const struct userdiff_funcname *pe; @@ -1780,7 +1778,7 @@ static void builtin_diff(const char *name_a, } } xdi_diff_outf(&mf1, &mf2, fn_out_consume, &ecbdata, - &xpp, &xecfg, &ecb); + &xpp, &xecfg); if (DIFF_OPT_TST(o, COLOR_DIFF_WORDS)) free_diff_words_data(&ecbdata); if (textconv_one) @@ -1833,13 +1831,12 @@ static void builtin_diffstat(const char *name_a, const char *name_b, /* Crazy xdl interfaces.. */ xpparam_t xpp; xdemitconf_t xecfg; - xdemitcb_t ecb; memset(&xpp, 0, sizeof(xpp)); memset(&xecfg, 0, sizeof(xecfg)); xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts; xdi_diff_outf(&mf1, &mf2, diffstat_consume, diffstat, - &xpp, &xecfg, &ecb); + &xpp, &xecfg); } free_and_return: @@ -1881,14 +1878,13 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, /* Crazy xdl interfaces.. */ xpparam_t xpp; xdemitconf_t xecfg; - xdemitcb_t ecb; memset(&xpp, 0, sizeof(xpp)); memset(&xecfg, 0, sizeof(xecfg)); xecfg.ctxlen = 1; /* at least one context line */ xpp.flags = XDF_NEED_MINIMAL; xdi_diff_outf(&mf1, &mf2, checkdiff_consume, &data, - &xpp, &xecfg, &ecb); + &xpp, &xecfg); if (data.ws_rule & WS_BLANK_AT_EOF) { struct emit_callback ecbdata; @@ -3383,7 +3379,6 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1) for (i = 0; i < q->nr; i++) { xpparam_t xpp; xdemitconf_t xecfg; - xdemitcb_t ecb; mmfile_t mf1, mf2; struct diff_filepair *p = q->queue[i]; int len1, len2; @@ -3445,7 +3440,7 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1) xecfg.ctxlen = 3; xecfg.flags = XDL_EMIT_FUNCNAMES; xdi_diff_outf(&mf1, &mf2, patch_id_consume, &data, - &xpp, &xecfg, &ecb); + &xpp, &xecfg); } git_SHA1_Final(sha1, &ctx); diff --git a/xdiff-interface.c b/xdiff-interface.c index ca5e3fb..cd2285d 100644 --- a/xdiff-interface.c +++ b/xdiff-interface.c @@ -138,19 +138,20 @@ int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t co int xdi_diff_outf(mmfile_t *mf1, mmfile_t *mf2, xdiff_emit_consume_fn fn, void *consume_callback_data, - xpparam_t const *xpp, - xdemitconf_t const *xecfg, xdemitcb_t *xecb) + xpparam_t const *xpp, xdemitconf_t const *xecfg) { int ret; struct xdiff_emit_state state; + xdemitcb_t ecb; memset(&state, 0, sizeof(state)); state.consume = fn; state.consume_callback_data = consume_callback_data; - xecb->outf = xdiff_outf; - xecb->priv = &state; + memset(&ecb, 0, sizeof(ecb)); + ecb.outf = xdiff_outf; + ecb.priv = &state; strbuf_init(&state.remainder, 0); - ret = xdi_diff(mf1, mf2, xpp, xecfg, xecb); + ret = xdi_diff(mf1, mf2, xpp, xecfg, &ecb); strbuf_release(&state.remainder); return ret; } diff --git a/xdiff-interface.h b/xdiff-interface.h index abba70c..49d1116 100644 --- a/xdiff-interface.h +++ b/xdiff-interface.h @@ -9,8 +9,7 @@ typedef void (*xdiff_emit_hunk_consume_fn)(void *, long, long, long); int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t const *xecfg, xdemitcb_t *ecb); int xdi_diff_outf(mmfile_t *mf1, mmfile_t *mf2, xdiff_emit_consume_fn fn, void *consume_callback_data, - xpparam_t const *xpp, - xdemitconf_t const *xecfg, xdemitcb_t *xecb); + xpparam_t const *xpp, xdemitconf_t const *xecfg); int xdi_diff_hunks(mmfile_t *mf1, mmfile_t *mf2, xdiff_emit_hunk_consume_fn fn, void *consume_callback_data, xpparam_t const *xpp, xdemitconf_t *xecfg); -- 1.7.1