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remove ecb parameter from xdi_diff_outf()

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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 <rene.scharfe@lsrfire.ath.cx>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2010-05-04 22:41:34 +02:00
committed by Junio C Hamano
parent ed215b109f
commit dfea79004c
4 changed files with 13 additions and 19 deletions
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15
diff.c
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@ -696,7 +696,6 @@ 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 */
@ -718,7 +717,7 @@ 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 +
@ -1704,7 +1703,6 @@ 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;
@ -1776,7 +1774,7 @@ 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)
@ -1829,13 +1827,12 @@ 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:
@ -1877,14 +1874,13 @@ 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;
@ -3361,7 +3357,6 @@ 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;
@ -3423,7 +3418,7 @@ 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);