Re: minor problems in git.c
On 12/1/05, Robert Watson <robert.oo.watson@gmail.com> wrote:
> There are some minor problems in git.c:
I had the following patches in my tree for some time. Even forgot about them, sorry. The second on top of the first.
- Use stderr for error output
- Build git_command more careful
- ENOENT is good enough for check of failed exec to show usage, no
access() check needed
Use stderr for error output and build git_command more careful
---
git.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
081fc78a8c8e640420ac7e44d93a2a45246f5c2f
diff --git a/git.c b/git.c
index bdd3f8d..9468b58 100644
--- a/git.c
+++ b/git.c
@@ -283,16 +283,15 @@ int main(int argc, char **argv, char **e
len = strlen(git_command);
prepend_to_path(git_command, len);
- strncat(&git_command[len], "/git-", sizeof(git_command) - len);
- len += 5;
- strncat(&git_command[len], argv[i], sizeof(git_command) - len);
+ snprintf(git_command + len, sizeof(git_command) - len, "/git-%s",
+ argv[i]);
if (access(git_command, X_OK))
usage(exec_path, "'%s' is not a git-command", argv[i]);
/* execve() can only ever return if it fails */
execve(git_command, &argv[i], envp);
- printf("Failed to run command '%s': %s\n", git_command, strerror(errno));
+ fprintf(stderr, "git: '%s': %s\n", git_command, strerror(errno));
return 1;
}
--
0.99.9.GIT
ENOENT is good enough, no access() check needed
---
git.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
ac97adc8152a1e5ac78a03f218a3dab012bf8ba9
diff --git a/git.c b/git.c
index 9468b58..c8c2b4a 100644
--- a/git.c
+++ b/git.c
@@ -286,12 +286,12 @@ int main(int argc, char **argv, char **e
snprintf(git_command + len, sizeof(git_command) - len, "/git-%s",
argv[i]);
- if (access(git_command, X_OK))
- usage(exec_path, "'%s' is not a git-command", argv[i]);
-
/* execve() can only ever return if it fails */
execve(git_command, &argv[i], envp);
- fprintf(stderr, "git: '%s': %s\n", git_command, strerror(errno));
+ if ( ENOENT == errno )
+ usage(exec_path, "'%s' is not a git-command", argv[i]);
+ else
+ fprintf(stderr, "git: '%s': %s\n", git_command, strerror(errno));
return 1;
}
--
0.99.9.GIT