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Diffstat (limited to 'cache.h')
-rw-r--r--cache.h41
1 files changed, 39 insertions, 2 deletions
diff --git a/cache.h b/cache.h
index e1000bccb2..7769f055e9 100644
--- a/cache.h
+++ b/cache.h
@@ -110,7 +110,6 @@ struct ondisk_cache_entry {
};
struct cache_entry {
- struct cache_entry *next;
unsigned int ce_ctime;
unsigned int ce_mtime;
unsigned int ce_dev;
@@ -121,6 +120,7 @@ struct cache_entry {
unsigned int ce_size;
unsigned int ce_flags;
unsigned char sha1[20];
+ struct cache_entry *next;
char name[FLEX_ARRAY]; /* more */
};
@@ -133,7 +133,39 @@ struct cache_entry {
#define CE_UPDATE (0x10000)
#define CE_REMOVE (0x20000)
#define CE_UPTODATE (0x40000)
-#define CE_UNHASHED (0x80000)
+
+#define CE_HASHED (0x100000)
+#define CE_UNHASHED (0x200000)
+
+/*
+ * Copy the sha1 and stat state of a cache entry from one to
+ * another. But we never change the name, or the hash state!
+ */
+#define CE_STATE_MASK (CE_HASHED | CE_UNHASHED)
+static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src)
+{
+ unsigned int state = dst->ce_flags & CE_STATE_MASK;
+
+ /* Don't copy hash chain and name */
+ memcpy(dst, src, offsetof(struct cache_entry, next));
+
+ /* Restore the hash state */
+ dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state;
+}
+
+/*
+ * We don't actually *remove* it, we can just mark it invalid so that
+ * we won't find it in lookups.
+ *
+ * Not only would we have to search the lists (simple enough), but
+ * we'd also have to rehash other hash buckets in case this makes the
+ * hash bucket empty (common). So it's much better to just mark
+ * it.
+ */
+static inline void remove_index_entry(struct cache_entry *ce)
+{
+ ce->ce_flags |= CE_UNHASHED;
+}
static inline unsigned create_ce_flags(size_t len, unsigned stage)
{
@@ -666,6 +698,7 @@ extern const char *git_log_output_encoding;
/* IO helper functions */
extern void maybe_flush_or_die(FILE *, const char *);
extern int copy_fd(int ifd, int ofd);
+extern int copy_file(const char *dst, const char *src, int mode);
extern int read_in_full(int fd, void *buf, size_t count);
extern int write_in_full(int fd, const void *buf, size_t count);
extern void write_or_die(int fd, const void *buf, size_t count);
@@ -719,6 +752,7 @@ void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, i
#define WS_TRAILING_SPACE 01
#define WS_SPACE_BEFORE_TAB 02
#define WS_INDENT_WITH_NON_TAB 04
+#define WS_CR_AT_EOL 010
#define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB)
extern unsigned whitespace_rule_cfg;
extern unsigned whitespace_rule(const char *);
@@ -727,10 +761,13 @@ extern unsigned check_and_emit_line(const char *line, int len, unsigned ws_rule,
FILE *stream, const char *set,
const char *reset, const char *ws);
extern char *whitespace_error_string(unsigned ws);
+extern int ws_fix_copy(char *, const char *, int, unsigned, int *);
/* ls-files */
int pathspec_match(const char **spec, char *matched, const char *filename, int skiplen);
int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset);
void overlay_tree_on_cache(const char *tree_name, const char *prefix);
+char *alias_lookup(const char *alias);
+
#endif /* CACHE_H */