[PATCH v4 05/21] check-attr: there are only two possible line terminations

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The program by default reads LF terminated lines, with an option to
use NUL terminated records.  Instead of pretending that there can be
other useful values for line_termination, use a boolean variable,
nul_term_line, to tell if NUL terminated records are used, and
switch between strbuf_getline_{lf,nul} based on it.

Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
 builtin/check-attr.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/builtin/check-attr.c b/builtin/check-attr.c
index 265c9ba..087325e 100644
--- a/builtin/check-attr.c
+++ b/builtin/check-attr.c
@@ -73,12 +73,13 @@ static void check_attr_stdin_paths(const char *prefix, int cnt,
 	struct git_attr_check *check)
 {
 	struct strbuf buf, nbuf;
-	int line_termination = nul_term_line ? 0 : '\n';
+	strbuf_getline_fn getline_fn;
 
+	getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
 	strbuf_init(&buf, 0);
 	strbuf_init(&nbuf, 0);
-	while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
-		if (line_termination && buf.buf[0] == '"') {
+	while (getline_fn(&buf, stdin) != EOF) {
+		if (!nul_term_line && buf.buf[0] == '"') {
 			strbuf_reset(&nbuf);
 			if (unquote_c_style(&nbuf, buf.buf, NULL))
 				die("line is badly quoted");
-- 
2.7.0-250-ge1b5ba3

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