[PATCH 5/7] chdir() into list_commands() dir instead of building paths for stat()
Signed-off-by: Scott R Parish <srp@srparish.net>
---
help.c | 18 +++---------------
1 files changed, 3 insertions(+), 15 deletions(-)
diff --git a/help.c b/help.c
index 950f62d..906f8f6 100644
--- a/help.c
+++ b/help.c
@@ -96,35 +96,23 @@ static void pretty_print_string_list(struct cmdname **cmdname, int longest)
static void list_commands(const char *exec_path, const char *prefix)
{
unsigned int longest = 0;
- char path[PATH_MAX];
- int dirlen;
int prefix_len = strlen(prefix);
DIR *dir = opendir(exec_path);
struct dirent *de;
- if (!dir) {
+ if (!dir || chdir(exec_path)) {
fprintf(stderr, "git: '%s': %s\n", exec_path, strerror(errno));
exit(1);
}
- dirlen = strlen(exec_path);
- if (PATH_MAX - 20 < dirlen) {
- fprintf(stderr, "git: insanely long exec-path '%s'\n",
- exec_path);
- exit(1);
- }
-
- memcpy(path, exec_path, dirlen);
- path[dirlen++] = '/';
-
while ((de = readdir(dir)) != NULL) {
struct stat st;
int entlen;
if (prefixcmp(de->d_name, prefix))
continue;
- strcpy(path+dirlen, de->d_name);
- if (stat(path, &st) || /* stat, not lstat */
+
+ if (stat(de->d_name, &st) || /* stat, not lstat */
!S_ISREG(st.st_mode) ||
!(st.st_mode & S_IXUSR))
continue;
--
gitgui.0.8.4.11176.gd9205-dirty
Scott R Parish <srp@srparish.net>