summaryrefslogtreecommitdiff
path: root/refs.c
diff options
context:
space:
mode:
Diffstat (limited to 'refs.c')
-rw-r--r--refs.c59
1 files changed, 46 insertions, 13 deletions
diff --git a/refs.c b/refs.c
index 47e4e53..0312f05 100644
--- a/refs.c
+++ b/refs.c
@@ -1382,7 +1382,7 @@ static int resolve_gitlink_ref_recursive(struct ref_cache *refs,
{
int fd, len;
char buffer[128], *p;
- char *path;
+ const char *path;
if (recursion > MAXDEPTH || strlen(refname) > MAXREFLEN)
return -1;
@@ -1475,7 +1475,11 @@ static int resolve_missing_loose_ref(const char *refname,
}
/* This function needs to return a meaningful errno on failure */
-const char *resolve_ref_unsafe(const char *refname, int resolve_flags, unsigned char *sha1, int *flags)
+static const char *resolve_ref_unsafe_1(const char *refname,
+ int resolve_flags,
+ unsigned char *sha1,
+ int *flags,
+ struct strbuf *sb_path)
{
int depth = MAXDEPTH;
ssize_t len;
@@ -1506,7 +1510,7 @@ const char *resolve_ref_unsafe(const char *refname, int resolve_flags, unsigned
bad_name = 1;
}
for (;;) {
- char path[PATH_MAX];
+ const char *path;
struct stat st;
char *buf;
int fd;
@@ -1516,7 +1520,9 @@ const char *resolve_ref_unsafe(const char *refname, int resolve_flags, unsigned
return NULL;
}
- git_snpath(path, sizeof(path), "%s", refname);
+ strbuf_reset(sb_path);
+ strbuf_git_path(sb_path, "%s", refname);
+ path = sb_path->buf;
/*
* We might have to loop back here to avoid a race
@@ -1643,6 +1649,16 @@ const char *resolve_ref_unsafe(const char *refname, int resolve_flags, unsigned
}
}
+const char *resolve_ref_unsafe(const char *refname, int resolve_flags,
+ unsigned char *sha1, int *flags)
+{
+ struct strbuf sb_path = STRBUF_INIT;
+ const char *ret = resolve_ref_unsafe_1(refname, resolve_flags,
+ sha1, flags, &sb_path);
+ strbuf_release(&sb_path);
+ return ret;
+}
+
char *resolve_refdup(const char *ref, int resolve_flags, unsigned char *sha1, int *flags)
{
return xstrdup_or_null(resolve_ref_unsafe(ref, resolve_flags, sha1, flags));
@@ -2274,7 +2290,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *refname,
const struct string_list *skip,
unsigned int flags, int *type_p)
{
- char *ref_file;
+ const char *ref_file;
const char *orig_refname = refname;
struct ref_lock *lock;
int last_errno = 0;
@@ -2343,7 +2359,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *refname,
ref_file = git_path("%s", refname);
retry:
- switch (safe_create_leading_directories(ref_file)) {
+ switch (safe_create_leading_directories_const(ref_file)) {
case SCLD_OK:
break; /* success */
case SCLD_VANISHED:
@@ -2721,7 +2737,7 @@ static int rename_tmp_log(const char *newrefname)
int attempts_remaining = 4;
retry:
- switch (safe_create_leading_directories(git_path("logs/%s", newrefname))) {
+ switch (safe_create_leading_directories_const(git_path("logs/%s", newrefname))) {
case SCLD_OK:
break; /* success */
case SCLD_VANISHED:
@@ -2907,11 +2923,15 @@ static int copy_msg(char *buf, const char *msg)
}
/* This function must set a meaningful errno on failure */
-int log_ref_setup(const char *refname, char *logfile, int bufsize)
+int log_ref_setup(const char *refname, struct strbuf *sb_logfile)
{
int logfd, oflags = O_APPEND | O_WRONLY;
+ char *logfile;
- git_snpath(logfile, bufsize, "logs/%s", refname);
+ strbuf_git_path(sb_logfile, "logs/%s", refname);
+ logfile = sb_logfile->buf;
+ /* make sure the rest of the function can't change "logfile" */
+ sb_logfile = NULL;
if (log_all_ref_updates &&
(starts_with(refname, "refs/heads/") ||
starts_with(refname, "refs/remotes/") ||
@@ -2982,18 +3002,22 @@ static int log_ref_write_fd(int fd, const unsigned char *old_sha1,
return 0;
}
-static int log_ref_write(const char *refname, const unsigned char *old_sha1,
- const unsigned char *new_sha1, const char *msg)
+static int log_ref_write_1(const char *refname, const unsigned char *old_sha1,
+ const unsigned char *new_sha1, const char *msg,
+ struct strbuf *sb_log_file)
{
int logfd, result, oflags = O_APPEND | O_WRONLY;
- char log_file[PATH_MAX];
+ char *log_file;
if (log_all_ref_updates < 0)
log_all_ref_updates = !is_bare_repository();
- result = log_ref_setup(refname, log_file, sizeof(log_file));
+ result = log_ref_setup(refname, sb_log_file);
if (result)
return result;
+ log_file = sb_log_file->buf;
+ /* make sure the rest of the function can't change "log_file" */
+ sb_log_file = NULL;
logfd = open(log_file, oflags);
if (logfd < 0)
@@ -3016,6 +3040,15 @@ static int log_ref_write(const char *refname, const unsigned char *old_sha1,
return 0;
}
+static int log_ref_write(const char *refname, const unsigned char *old_sha1,
+ const unsigned char *new_sha1, const char *msg)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int ret = log_ref_write_1(refname, old_sha1, new_sha1, msg, &sb);
+ strbuf_release(&sb);
+ return ret;
+}
+
int is_branch(const char *refname)
{
return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/");