Avoid writing to buffer in add_excludes_from_file_1()

In the next patch, the buffer that is being used within
add_excludes_from_file_1() comes from another function and does not
have extra space to put \n at the end.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/dir.c b/dir.c
index e05b850acf69867f2b931e7ca2f7430a9e7fc22d..1170d6467547ad3d72533d7fa640fd8021cbd9e0 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -229,10 +229,9 @@ static int add_excludes_from_file_1(const char *fname,
 
        if (buf_p)
                *buf_p = buf;
-       buf[size++] = '\n';
        entry = buf;
-       for (i = 0; i < size; i++) {
-               if (buf[i] == '\n') {
+       for (i = 0; i <= size; i++) {
+               if (i == size || buf[i] == '\n') {
                        if (entry != buf + i && entry[0] != '#') {
                                buf[i - (i && buf[i-1] == '\r')] = 0;
                                add_exclude(entry, base, baselen, which);