Fix ?: statements.

Omitting the first branch in ?: is a GNU extension.  Cute,
but not supported by other compilers.  Replaced mostly
by explicit tests.  Calls to getenv() simply are repeated
on non-GNU compilers.

Signed-off-by: Jason Riedy <ejr@cs.berkeley.edu>

1 files changed, 3 insertions, 1 deletions

diff --git a/path.c b/path.c
index b85f087f43..142e575e5c 100644
--- a/path.c
+++ b/path.c
@@ -41,10 +41,12 @@ char *mkpath(const char *fmt, ...)
 
 char *git_path(const char *fmt, ...)
 {
-	const char *git_dir = gitenv(GIT_DIR_ENVIRONMENT) ? : DEFAULT_GIT_DIR_ENVIRONMENT;
+	const char *git_dir;
 	va_list args;
 	unsigned len;
 
+	git_dir = gitenv(GIT_DIR_ENVIRONMENT);
+	if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
 	len = strlen(git_dir);
 	if (len > PATH_MAX-100)
 		return bad_path;