[PATCH] Use PATH_MAX rather than a hardwired constant maximum length.

[koreth@midwinter.com]

Signed-off-by: Steven Grimm <koreth@midwinter.com>
---

Is the +1 really needed? The existing code is doing this in other places
but I'm not sure it's necessary since we're also doing sizeof(buffer)-1
in the getcwd() call. I figured it was best to be consistent with the
existing code, e.g. setup_git_directory_gently().

 setup.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/setup.c b/setup.c
index a45ea83..84d3c4a 100644
--- a/setup.c
+++ b/setup.c
@@ -175,11 +175,11 @@ static int inside_git_dir = -1;
 int is_inside_git_dir(void)
 {
 	if (inside_git_dir < 0) {
-		char buffer[1024];
+		char buffer[PATH_MAX+1];
 
 		if (is_bare_repository())
 			return (inside_git_dir = 1);
-		if (getcwd(buffer, sizeof(buffer))) {
+		if (getcwd(buffer, sizeof(buffer)-1)) {
 			const char *git_dir = get_git_dir(), *cwd = buffer;
 			while (*git_dir && *git_dir == *cwd) {
 				git_dir++;
-- 
1.5.2.rc0.35.gf41c8