Merge branch 'sb/diff-cleanup' into maint

Code cleanup.

* sb/diff-cleanup:
  diff: remove dead code
  diff: omit found pointer from emit_callback
  diff.c: use diff_options directly
This commit is contained in:
Junio C Hamano 2016-09-19 13:51:45 -07:00
commit ddf8ee859f

31
diff.c
View File

@ -354,7 +354,6 @@ struct emit_callback {
const char **label_path;
struct diff_words_data *diff_words;
struct diff_options *opt;
int *found_changesp;
struct strbuf *header;
};
@ -722,7 +721,6 @@ static void emit_rewrite_diff(const char *name_a,
memset(&ecbdata, 0, sizeof(ecbdata));
ecbdata.color_diff = want_color(o->use_color);
ecbdata.found_changesp = &o->found_changes;
ecbdata.ws_rule = whitespace_rule(name_b);
ecbdata.opt = o;
if (ecbdata.ws_rule & WS_BLANK_AT_EOF) {
@ -1216,12 +1214,13 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
struct diff_options *o = ecbdata->opt;
const char *line_prefix = diff_line_prefix(o);
o->found_changes = 1;
if (ecbdata->header) {
fprintf(ecbdata->opt->file, "%s", ecbdata->header->buf);
fprintf(o->file, "%s", ecbdata->header->buf);
strbuf_reset(ecbdata->header);
ecbdata->header = NULL;
}
*(ecbdata->found_changesp) = 1;
if (ecbdata->label_path[0]) {
const char *name_a_tab, *name_b_tab;
@ -1229,9 +1228,9 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
name_a_tab = strchr(ecbdata->label_path[0], ' ') ? "\t" : "";
name_b_tab = strchr(ecbdata->label_path[1], ' ') ? "\t" : "";
fprintf(ecbdata->opt->file, "%s%s--- %s%s%s\n",
fprintf(o->file, "%s%s--- %s%s%s\n",
line_prefix, meta, ecbdata->label_path[0], reset, name_a_tab);
fprintf(ecbdata->opt->file, "%s%s+++ %s%s%s\n",
fprintf(o->file, "%s%s+++ %s%s%s\n",
line_prefix, meta, ecbdata->label_path[1], reset, name_b_tab);
ecbdata->label_path[0] = ecbdata->label_path[1] = NULL;
}
@ -1249,15 +1248,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
find_lno(line, ecbdata);
emit_hunk_header(ecbdata, line, len);
if (line[len-1] != '\n')
putc('\n', ecbdata->opt->file);
return;
}
if (len < 1) {
emit_line(ecbdata->opt, reset, reset, line, len);
if (ecbdata->diff_words
&& ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN)
fputs("~\n", ecbdata->opt->file);
putc('\n', o->file);
return;
}
@ -1282,8 +1273,8 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
}
diff_words_flush(ecbdata);
if (ecbdata->diff_words->type == DIFF_WORDS_PORCELAIN) {
emit_line(ecbdata->opt, context, reset, line, len);
fputs("~\n", ecbdata->opt->file);
emit_line(o, context, reset, line, len);
fputs("~\n", o->file);
} else {
/*
* Skip the prefix character, if any. With
@ -1294,7 +1285,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
line++;
len--;
}
emit_line(ecbdata->opt, context, reset, line, len);
emit_line(o, context, reset, line, len);
}
return;
}
@ -1316,8 +1307,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
default:
/* incomplete line at the end */
ecbdata->lno_in_preimage++;
emit_line(ecbdata->opt,
diff_get_color(ecbdata->color_diff, DIFF_CONTEXT),
emit_line(o, diff_get_color(ecbdata->color_diff, DIFF_CONTEXT),
reset, line, len);
break;
}
@ -2438,7 +2428,6 @@ static void builtin_diff(const char *name_a,
memset(&ecbdata, 0, sizeof(ecbdata));
ecbdata.label_path = lbl;
ecbdata.color_diff = want_color(o->use_color);
ecbdata.found_changesp = &o->found_changes;
ecbdata.ws_rule = whitespace_rule(name_b);
if (ecbdata.ws_rule & WS_BLANK_AT_EOF)
check_blank_at_eof(&mf1, &mf2, &ecbdata);