The header is constructed lazily including line breaks, so just emit
the raw string as is.
Signed-off-by: Stefan Beller <sbel...@google.com>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
diff.c | 28 ++++++++++++++++++++--------
1 file changed, 20 insertions(+), 8 deletions(-)
diff --git a/diff.c b/diff.c
index 49b45fef29..78f7c6f82f 100644
--- a/diff.c
+++ b/diff.c
@@ -561,6 +561,7 @@ static void emit_line(struct diff_options *o, const char
*set, const char *reset
}
enum diff_symbol {
+ DIFF_SYMBOL_HEADER,
DIFF_SYMBOL_FILEPAIR_PLUS,
DIFF_SYMBOL_FILEPAIR_MINUS,
DIFF_SYMBOL_WORDS_PORCELAIN,
@@ -689,6 +690,9 @@ static void emit_diff_symbol(struct diff_options *o, enum
diff_symbol s,
line, reset,
strchr(line, ' ') ? "\t" : "");
break;
+ case DIFF_SYMBOL_HEADER:
+ fprintf(o->file, "%s", line);
+ break;
default:
die("BUG: unknown diff symbol");
}
@@ -1385,7 +1389,8 @@ static void fn_out_consume(void *priv, char *line,
unsigned long len)
o->found_changes = 1;
if (ecbdata->header) {
- fprintf(o->file, "%s", ecbdata->header->buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ ecbdata->header->buf, ecbdata->header->len, 0);
strbuf_reset(ecbdata->header);
ecbdata->header = NULL;
}
@@ -2519,7 +2524,8 @@ static void builtin_diff(const char *name_a,
if (complete_rewrite &&
(textconv_one || !diff_filespec_is_binary(one)) &&
(textconv_two || !diff_filespec_is_binary(two))) {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
strbuf_reset(&header);
emit_rewrite_diff(name_a, name_b, one, two,
textconv_one, textconv_two, o);
@@ -2529,7 +2535,8 @@ static void builtin_diff(const char *name_a,
}
if (o->irreversible_delete && lbl[1][0] == '/') {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf,
+ header.len, 0);
strbuf_reset(&header);
goto free_ab_and_return;
} else if (!DIFF_OPT_TST(o, TEXT) &&
@@ -2540,10 +2547,13 @@ static void builtin_diff(const char *name_a,
!DIFF_OPT_TST(o, BINARY)) {
if (!oidcmp(&one->oid, &two->oid)) {
if (must_show_header)
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len,
+ 0);
goto free_ab_and_return;
}
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
fprintf(o->file, "%sBinary files %s and %s differ\n",
line_prefix, lbl[0], lbl[1]);
goto free_ab_and_return;
@@ -2554,10 +2564,11 @@ static void builtin_diff(const char *name_a,
if (mf1.size == mf2.size &&
!memcmp(mf1.ptr, mf2.ptr, mf1.size)) {
if (must_show_header)
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
goto free_ab_and_return;
}
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER, header.buf, header.len,
0);
strbuf_reset(&header);
if (DIFF_OPT_TST(o, BINARY))
emit_binary_diff(o->file, &mf1, &mf2, line_prefix);
@@ -2575,7 +2586,8 @@ static void builtin_diff(const char *name_a,
const struct userdiff_funcname *pe;
if (must_show_header) {
- fprintf(o->file, "%s", header.buf);
+ emit_diff_symbol(o, DIFF_SYMBOL_HEADER,
+ header.buf, header.len, 0);
strbuf_reset(&header);
}
--
2.13.0.31.g9b732c453e
