builtin/blame.c: struct blame_entry does not need a prev link

diff --git a/read-cache.c b/read-cache.c
index 5660b37bb2f4abe598d78ed20d67f123684e7c88..33dd676ccbbd24e0bace49347f1f5d81b5099bcc 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -489,7 +489,7 @@ int remove_index_entry_at(struct index_state *istate, int pos)
 }
 
 /*
- * Remove all cache ententries marked for removal, that is where
+ * Remove all cache entries marked for removal, that is where
  * CE_REMOVE is set in ce_flags.  This is much more effective than
  * calling remove_index_entry_at() for each entry to be removed.
  */
@@ -643,7 +643,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
                        if (*ptr == '/') {
                                struct cache_entry *foundce;
                                ++ptr;
-                               foundce = index_name_exists(istate, ce->name, ptr - ce->name, ignore_case);
+                               foundce = index_dir_exists(istate, ce->name, ptr - ce->name - 1);
                                if (foundce) {
                                        memcpy((void *)startPtr, foundce->name + (startPtr - ce->name), ptr - startPtr);
                                        startPtr = ptr;
@@ -652,7 +652,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
                }
        }
 
-       alias = index_name_exists(istate, ce->name, ce_namelen(ce), ignore_case);
+       alias = index_file_exists(istate, ce->name, ce_namelen(ce), ignore_case);
        if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, st, ce_option)) {
                /* Nothing changed, really */
                free(ce);
@@ -722,7 +722,7 @@ struct cache_entry *make_cache_entry(unsigned int mode,
        return ce;
 }
 
-int ce_same_name(struct cache_entry *a, struct cache_entry *b)
+int ce_same_name(const struct cache_entry *a, const struct cache_entry *b)
 {
        int len = ce_namelen(a);
        return ce_namelen(b) == len && !memcmp(a->name, b->name, len);
@@ -1114,7 +1114,8 @@ static void show_file(const char * fmt, const char * name, int in_porcelain,
        printf(fmt, name);
 }
 
-int refresh_index(struct index_state *istate, unsigned int flags, const char **pathspec,
+int refresh_index(struct index_state *istate, unsigned int flags,
+                 const struct pathspec *pathspec,
                  char *seen, const char *header_msg)
 {
        int i;
@@ -1149,7 +1150,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p
                        continue;
 
                if (pathspec &&
-                   !match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen))
+                   !match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, seen))
                        filtered = 1;
 
                if (ce_stage(ce)) {
@@ -1229,14 +1230,14 @@ static struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int reall
 struct ondisk_cache_entry {
        struct cache_time ctime;
        struct cache_time mtime;
-       unsigned int dev;
-       unsigned int ino;
-       unsigned int mode;
-       unsigned int uid;
-       unsigned int gid;
-       unsigned int size;
+       uint32_t dev;
+       uint32_t ino;
+       uint32_t mode;
+       uint32_t uid;
+       uint32_t gid;
+       uint32_t size;
        unsigned char sha1[20];
-       unsigned short flags;
+       uint16_t flags;
        char name[FLEX_ARRAY]; /* more */
 };
 
@@ -1248,15 +1249,15 @@ struct ondisk_cache_entry {
 struct ondisk_cache_entry_extended {
        struct cache_time ctime;
        struct cache_time mtime;
-       unsigned int dev;
-       unsigned int ino;
-       unsigned int mode;
-       unsigned int uid;
-       unsigned int gid;
-       unsigned int size;
+       uint32_t dev;
+       uint32_t ino;
+       uint32_t mode;
+       uint32_t uid;
+       uint32_t gid;
+       uint32_t size;
        unsigned char sha1[20];
-       unsigned short flags;
-       unsigned short flags2;
+       uint16_t flags;
+       uint16_t flags2;
        char name[FLEX_ARRAY]; /* more */
 };
 
@@ -1535,8 +1536,9 @@ int discard_index(struct index_state *istate)
        free_name_hash(istate);
        cache_tree_free(&(istate->cache_tree));
        istate->initialized = 0;
-
-       /* no need to throw away allocated active_cache */
+       free(istate->cache);
+       istate->cache = NULL;
+       istate->cache_alloc = 0;
        return 0;
 }
 
@@ -1759,7 +1761,7 @@ static int has_racy_timestamp(struct index_state *istate)
 }
 
 /*
- * Opportunisticly update the index but do not complain if we can't
+ * Opportunistically update the index but do not complain if we can't
  */
 void update_index_if_able(struct index_state *istate, struct lock_file *lockfile)
 {
@@ -1816,8 +1818,17 @@ int write_index(struct index_state *istate, int newfd)
                        continue;
                if (!ce_uptodate(ce) && is_racy_timestamp(istate, ce))
                        ce_smudge_racily_clean_entry(ce);
-               if (is_null_sha1(ce->sha1))
-                       return error("cache entry has null sha1: %s", ce->name);
+               if (is_null_sha1(ce->sha1)) {
+                       static const char msg[] = "cache entry has null sha1: %s";
+                       static int allow = -1;
+
+                       if (allow < 0)
+                               allow = git_env_bool("GIT_ALLOW_NULL_SHA1", 0);
+                       if (allow)
+                               warning(msg, ce->name);
+                       else
+                               return error(msg, ce->name);
+               }
                if (ce_write_entry(&c, newfd, ce, previous_name) < 0)
                        return -1;
        }
@@ -1950,3 +1961,33 @@ void *read_blob_data_from_index(struct index_state *istate, const char *path, un
                *size = sz;
        return data;
 }
+
+void stat_validity_clear(struct stat_validity *sv)
+{
+       free(sv->sd);
+       sv->sd = NULL;
+}
+
+int stat_validity_check(struct stat_validity *sv, const char *path)
+{
+       struct stat st;
+
+       if (stat(path, &st) < 0)
+               return sv->sd == NULL;
+       if (!sv->sd)
+               return 0;
+       return S_ISREG(st.st_mode) && !match_stat_data(sv->sd, &st);
+}
+
+void stat_validity_update(struct stat_validity *sv, int fd)
+{
+       struct stat st;
+
+       if (fstat(fd, &st) < 0 || !S_ISREG(st.st_mode))
+               stat_validity_clear(sv);
+       else {
+               if (!sv->sd)
+                       sv->sd = xcalloc(1, sizeof(struct stat_data));
+               fill_stat_data(sv->sd, &st);
+       }
+}