The last statement of the loop body is "break", so this doesn't change
the logical flow...yet.
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
This commit is 98% whitespace changes, so do it in a separate commit
to make the changes in the next commit more obvious.
refs.c | 123 ++++++++++++++++++++++++++++++++++-------------------------------
1 file changed, 64 insertions(+), 59 deletions(-)
diff --git a/refs.c b/refs.c
index 2722f75..7a77d76 100644
--- a/refs.c
+++ b/refs.c
@@ -1248,77 +1248,82 @@ const char *resolve_ref_unsafe(const char *refname,
unsigned char *sha1, int rea
git_snpath(path, sizeof(path), "%s", refname);
- if (lstat(path, &st) < 0) {
- if (errno == ENOENT)
- return handle_missing_loose_ref(refname, sha1,
reading, flag);
- else
- return NULL;
- }
+ for (;;) {
+ if (lstat(path, &st) < 0) {
+ if (errno == ENOENT)
+ return handle_missing_loose_ref(
+ refname, sha1,
+ reading, flag);
+ else
+ return NULL;
+ }
- /* Follow "normalized" - ie "refs/.." symlinks by hand */
- if (S_ISLNK(st.st_mode)) {
- len = readlink(path, buffer, sizeof(buffer)-1);
- if (len < 0)
- return NULL;
- buffer[len] = 0;
- if (!prefixcmp(buffer, "refs/") &&
- !check_refname_format(buffer, 0)) {
- strcpy(refname_buffer, buffer);
- refname = refname_buffer;
- if (flag)
- *flag |= REF_ISSYMREF;
- continue;
+ /* Follow "normalized" - ie "refs/.." symlinks by hand
*/
+ if (S_ISLNK(st.st_mode)) {
+ len = readlink(path, buffer, sizeof(buffer)-1);
+ if (len < 0)
+ return NULL;
+ buffer[len] = 0;
+ if (!prefixcmp(buffer, "refs/") &&
+ !check_refname_format(buffer, 0)) {
+ strcpy(refname_buffer, buffer);
+ refname = refname_buffer;
+ if (flag)
+ *flag |= REF_ISSYMREF;
+ break;
+ }
}
- }
- /* Is it a directory? */
- if (S_ISDIR(st.st_mode)) {
- errno = EISDIR;
- return NULL;
- }
+ /* Is it a directory? */
+ if (S_ISDIR(st.st_mode)) {
+ errno = EISDIR;
+ return NULL;
+ }
- /*
- * Anything else, just open it and try to use it as
- * a ref
- */
- fd = open(path, O_RDONLY);
- if (fd < 0)
- return NULL;
- len = read_in_full(fd, buffer, sizeof(buffer)-1);
- close(fd);
- if (len < 0)
- return NULL;
- while (len && isspace(buffer[len-1]))
- len--;
- buffer[len] = '\0';
+ /*
+ * Anything else, just open it and try to use it as
+ * a ref
+ */
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ return NULL;
+ len = read_in_full(fd, buffer, sizeof(buffer)-1);
+ close(fd);
+ if (len < 0)
+ return NULL;
+ while (len && isspace(buffer[len-1]))
+ len--;
+ buffer[len] = '\0';
- /*
- * Is it a symbolic ref?
- */
- if (prefixcmp(buffer, "ref:")) {
/*
- * Please note that FETCH_HEAD has a second
- * line containing other data.
+ * Is it a symbolic ref?
*/
- if (get_sha1_hex(buffer, sha1) ||
- (buffer[40] != '\0' && !isspace(buffer[40]))) {
+ if (prefixcmp(buffer, "ref:")) {
+ /*
+ * Please note that FETCH_HEAD has a second
+ * line containing other data.
+ */
+ if (get_sha1_hex(buffer, sha1) ||
+ (buffer[40] != '\0' &&
!isspace(buffer[40]))) {
+ if (flag)
+ *flag |= REF_ISBROKEN;
+ return NULL;
+ }
+ return refname;
+ }
+ if (flag)
+ *flag |= REF_ISSYMREF;
+ buf = buffer + 4;
+ while (isspace(*buf))
+ buf++;
+ if (check_refname_format(buf, REFNAME_ALLOW_ONELEVEL)) {
if (flag)
*flag |= REF_ISBROKEN;
return NULL;
}
- return refname;
- }
- if (flag)
- *flag |= REF_ISSYMREF;
- buf = buffer + 4;
- while (isspace(*buf))
- buf++;
- if (check_refname_format(buf, REFNAME_ALLOW_ONELEVEL)) {
- if (flag)
- *flag |= REF_ISBROKEN;
- return NULL;
+ refname = strcpy(refname_buffer, buf);
+ break;
}
- refname = strcpy(refname_buffer, buf);
}
}
--
1.8.3
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