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-rw-r--r--read-cache.c71
1 files changed, 41 insertions, 30 deletions
diff --git a/read-cache.c b/read-cache.c
index d8543e4d42..fda78bc353 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -17,6 +17,10 @@
static struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really);
+/* Mask for the name length in ce_flags in the on-disk index */
+
+#define CE_NAMEMASK (0x0fff)
+
/* Index extensions.
*
* The first letter should be 'A'..'Z' for extensions that are not
@@ -54,8 +58,8 @@ void rename_index_entry_at(struct index_state *istate, int nr, const char *new_n
new = xmalloc(cache_entry_size(namelen));
copy_cache_entry(new, old);
- new->ce_flags &= ~(CE_STATE_MASK | CE_NAMEMASK);
- new->ce_flags |= (namelen >= CE_NAMEMASK ? CE_NAMEMASK : namelen);
+ new->ce_flags &= ~CE_STATE_MASK;
+ new->ce_namelen = namelen;
memcpy(new->name, new_name, namelen + 1);
cache_tree_invalidate_path(istate->cache_tree, old->name);
@@ -395,17 +399,10 @@ int df_name_compare(const char *name1, int len1, int mode1,
return c1 - c2;
}
-int cache_name_compare(const char *name1, int flags1, const char *name2, int flags2)
+int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2)
{
- int len1, len2, len, cmp;
-
- len1 = flags1 & CE_NAMEMASK;
- if (CE_NAMEMASK <= len1)
- len1 = strlen(name1 + CE_NAMEMASK) + CE_NAMEMASK;
- len2 = flags2 & CE_NAMEMASK;
- if (CE_NAMEMASK <= len2)
- len2 = strlen(name2 + CE_NAMEMASK) + CE_NAMEMASK;
- len = len1 < len2 ? len1 : len2;
+ int len = len1 < len2 ? len1 : len2;
+ int cmp;
cmp = memcmp(name1, name2, len);
if (cmp)
@@ -415,18 +412,19 @@ int cache_name_compare(const char *name1, int flags1, const char *name2, int fla
if (len1 > len2)
return 1;
- /* Compare stages */
- flags1 &= CE_STAGEMASK;
- flags2 &= CE_STAGEMASK;
-
- if (flags1 < flags2)
+ if (stage1 < stage2)
return -1;
- if (flags1 > flags2)
+ if (stage1 > stage2)
return 1;
return 0;
}
-int index_name_pos(const struct index_state *istate, const char *name, int namelen)
+int cache_name_compare(const char *name1, int len1, const char *name2, int len2)
+{
+ return cache_name_stage_compare(name1, len1, 0, name2, len2, 0);
+}
+
+static int index_name_stage_pos(const struct index_state *istate, const char *name, int namelen, int stage)
{
int first, last;
@@ -435,7 +433,7 @@ int index_name_pos(const struct index_state *istate, const char *name, int namel
while (last > first) {
int next = (last + first) >> 1;
struct cache_entry *ce = istate->cache[next];
- int cmp = cache_name_compare(name, namelen, ce->name, ce->ce_flags);
+ int cmp = cache_name_stage_compare(name, namelen, stage, ce->name, ce_namelen(ce), ce_stage(ce));
if (!cmp)
return next;
if (cmp < 0) {
@@ -447,6 +445,11 @@ int index_name_pos(const struct index_state *istate, const char *name, int namel
return -first-1;
}
+int index_name_pos(const struct index_state *istate, const char *name, int namelen)
+{
+ return index_name_stage_pos(istate, name, namelen, 0);
+}
+
/* Remove entry, return true if there are more entries to go.. */
int remove_index_entry_at(struct index_state *istate, int pos)
{
@@ -586,7 +589,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
size = cache_entry_size(namelen);
ce = xcalloc(1, size);
memcpy(ce->name, path, namelen);
- ce->ce_flags = namelen;
+ ce->ce_namelen = namelen;
if (!intent_only)
fill_stat_cache_info(ce, st);
else
@@ -688,7 +691,8 @@ struct cache_entry *make_cache_entry(unsigned int mode,
hashcpy(ce->sha1, sha1);
memcpy(ce->name, path, len);
- ce->ce_flags = create_ce_flags(len, stage);
+ ce->ce_flags = create_ce_flags(stage);
+ ce->ce_namelen = len;
ce->ce_mode = create_ce_mode(mode);
if (refresh)
@@ -825,7 +829,7 @@ static int has_dir_name(struct index_state *istate,
}
len = slash - name;
- pos = index_name_pos(istate, name, create_ce_flags(len, stage));
+ pos = index_name_stage_pos(istate, name, len, stage);
if (pos >= 0) {
/*
* Found one, but not so fast. This could
@@ -915,7 +919,7 @@ static int add_index_entry_with_check(struct index_state *istate, struct cache_e
int new_only = option & ADD_CACHE_NEW_ONLY;
cache_tree_invalidate_path(istate->cache_tree, ce->name);
- pos = index_name_pos(istate, ce->name, ce->ce_flags);
+ pos = index_name_stage_pos(istate, ce->name, ce_namelen(ce), ce_stage(ce));
/* existing match? Just replace it. */
if (pos >= 0) {
@@ -947,7 +951,7 @@ static int add_index_entry_with_check(struct index_state *istate, struct cache_e
if (!ok_to_replace)
return error("'%s' appears as both a file and as a directory",
ce->name);
- pos = index_name_pos(istate, ce->name, ce->ce_flags);
+ pos = index_name_stage_pos(istate, ce->name, ce_namelen(ce), ce_stage(ce));
pos = -pos-1;
}
return pos + 1;
@@ -1124,7 +1128,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p
continue;
if (pathspec &&
- !match_pathspec(pathspec, ce->name, strlen(ce->name), 0, seen))
+ !match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen))
filtered = 1;
if (ce_stage(ce)) {
@@ -1324,7 +1328,8 @@ static struct cache_entry *cache_entry_from_ondisk(struct ondisk_cache_entry *on
ce->ce_uid = ntoh_l(ondisk->uid);
ce->ce_gid = ntoh_l(ondisk->gid);
ce->ce_size = ntoh_l(ondisk->size);
- ce->ce_flags = flags;
+ ce->ce_flags = flags & ~CE_NAMEMASK;
+ ce->ce_namelen = len;
hashcpy(ce->sha1, ondisk->sha1);
memcpy(ce->name, name, len);
ce->name[len] = '\0';
@@ -1647,6 +1652,8 @@ static void ce_smudge_racily_clean_entry(struct cache_entry *ce)
static char *copy_cache_entry_to_ondisk(struct ondisk_cache_entry *ondisk,
struct cache_entry *ce)
{
+ short flags;
+
ondisk->ctime.sec = htonl(ce->ce_ctime.sec);
ondisk->mtime.sec = htonl(ce->ce_mtime.sec);
ondisk->ctime.nsec = htonl(ce->ce_ctime.nsec);
@@ -1658,7 +1665,10 @@ static char *copy_cache_entry_to_ondisk(struct ondisk_cache_entry *ondisk,
ondisk->gid = htonl(ce->ce_gid);
ondisk->size = htonl(ce->ce_size);
hashcpy(ondisk->sha1, ce->sha1);
- ondisk->flags = htons(ce->ce_flags);
+
+ flags = ce->ce_flags;
+ flags |= (ce_namelen(ce) >= CE_NAMEMASK ? CE_NAMEMASK : ce_namelen(ce));
+ ondisk->flags = htons(flags);
if (ce->ce_flags & CE_EXTENDED) {
struct ondisk_cache_entry_extended *ondisk2;
ondisk2 = (struct ondisk_cache_entry_extended *)ondisk;
@@ -1844,11 +1854,12 @@ int read_index_unmerged(struct index_state *istate)
if (!ce_stage(ce))
continue;
unmerged = 1;
- len = strlen(ce->name);
+ len = ce_namelen(ce);
size = cache_entry_size(len);
new_ce = xcalloc(1, size);
memcpy(new_ce->name, ce->name, len);
- new_ce->ce_flags = create_ce_flags(len, 0) | CE_CONFLICTED;
+ new_ce->ce_flags = create_ce_flags(0) | CE_CONFLICTED;
+ new_ce->ce_namelen = len;
new_ce->ce_mode = ce->ce_mode;
if (add_index_entry(istate, new_ce, 0))
return error("%s: cannot drop to stage #0",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 05:27:02 +0000