[PATCH 2/2] Handle invalid argc gently

From: Dmitry V. Levin <ldv@altlinux.org>
Date: 2006-09-14 11:04:09
describe, git: Handle argc==0 case the same way as argc==1.
merge-tree: Refuse excessive arguments.

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---
 describe.c   |    2 +-
 git.c        |    2 +-
 merge-tree.c |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/describe.c b/describe.c
index 5ed052d..2172e8f 100644
--- a/describe.c
+++ b/describe.c
@@ -163,7 +163,7 @@ int main(int argc, char **argv)
 
 	setup_git_directory();
 
-	if (i == argc)
+	if (i >= argc)
 		describe("HEAD", 1);
 	else
 		while (i < argc) {
diff --git a/git.c b/git.c
index 47c85e1..8c182a5 100644
--- a/git.c
+++ b/git.c
@@ -294,7 +294,7 @@ static void handle_internal_command(int 
 
 int main(int argc, const char **argv, char **envp)
 {
-	const char *cmd = argv[0];
+	const char *cmd = argv[0] ? argv[0] : "git-help";
 	char *slash = strrchr(cmd, '/');
 	const char *exec_path = NULL;
 	int done_alias = 0;
diff --git a/merge-tree.c b/merge-tree.c
index c154dcf..692ede0 100644
--- a/merge-tree.c
+++ b/merge-tree.c
@@ -337,7 +337,7 @@ int main(int argc, char **argv)
 	struct tree_desc t[3];
 	void *buf1, *buf2, *buf3;
 
-	if (argc < 4)
+	if (argc != 4)
 		usage(merge_tree_usage);
 
 	setup_git_directory();


-- 
ldv
-
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Received on Thu Sep 14 11:04:15 2006

This archive was generated by hypermail 2.1.8 : 2006-09-14 11:08:41 EST