X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=cache.h;h=80f9967053b2c91feeeabf951dd9d1e5fc37a827;hb=fcfda02bc7e3a9dacf63fa43df8eee530a471f96;hp=02b6a73117c6aaf3f10477e9afd13229fa88dd46;hpb=bb233d690a9782e1570dc93ead2bf04aaca7cfe4;p=git.git

diff --git a/cache.h b/cache.h
index 02b6a731..80f99670 100644
--- a/cache.h
+++ b/cache.h
@@ -14,9 +14,22 @@
 #include <sys/param.h>
 #include <netinet/in.h>
 
-#include <openssl/sha.h>
+#include SHA1_HEADER
 #include <zlib.h>
 
+#if ZLIB_VERNUM < 0x1200
+#define deflateBound(c,s)  ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
+#endif
+
+#ifdef DT_UNKNOWN
+#define DTYPE(de)	((de)->d_type)
+#else
+#define DT_UNKNOWN	0
+#define DT_DIR		1
+#define DT_REG		2
+#define DTYPE(de)	DT_UNKNOWN
+#endif
+
 /*
  * Basic data structures for the directory cache
  *
@@ -74,7 +87,12 @@ struct cache_entry {
 #define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT)
 
 #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)
-#define create_ce_mode(mode) htonl(S_IFREG | ce_permissions(mode))
+static inline unsigned int create_ce_mode(unsigned int mode)
+{
+	if (S_ISLNK(mode))
+		return htonl(S_IFLNK);
+	return htonl(S_IFREG | ce_permissions(mode));
+}
 
 #define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7)
 
@@ -99,8 +117,11 @@ extern int read_cache(void);
 extern int write_cache(int newfd, struct cache_entry **cache, int entries);
 extern int cache_name_pos(const char *name, int namelen);
 extern int add_cache_entry(struct cache_entry *ce, int ok_to_add);
+extern int remove_entry_at(int pos);
 extern int remove_file_from_cache(char *path);
+extern int same_name(struct cache_entry *a, struct cache_entry *b);
 extern int cache_match_stat(struct cache_entry *ce, struct stat *st);
+extern int index_fd(unsigned char *sha1, int fd, struct stat *st);
 
 #define MTIME_CHANGED	0x0001
 #define CTIME_CHANGED	0x0002
@@ -108,21 +129,28 @@ extern int cache_match_stat(struct cache_entry *ce, struct stat *st);
 #define MODE_CHANGED    0x0008
 #define INODE_CHANGED   0x0010
 #define DATA_CHANGED    0x0020
+#define TYPE_CHANGED    0x0040
 
 /* Return a statically allocated filename matching the sha1 signature */
 extern char *sha1_file_name(const unsigned char *sha1);
 
-/* Write a memory buffer out to the sha file */
-extern int write_sha1_buffer(const unsigned char *sha1, void *buf, unsigned int size);
-
 /* Read and unpack a sha1 file into memory, write memory to a sha1 file */
 extern void * map_sha1_file(const unsigned char *sha1, unsigned long *size);
 extern void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned long *size);
 extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
-extern int write_sha1_file(char *buf, unsigned len, unsigned char *return_sha1);
+extern int write_sha1_file(char *buf, unsigned long len, const char *type, unsigned char *return_sha1);
+
 extern int check_sha1_signature(unsigned char *sha1, void *buf, unsigned long size, const char *type);
 
+/* Read a tree into the cache */
+extern int read_tree(void *buffer, unsigned long size, int stage);
+
+extern int write_sha1_from_fd(const unsigned char *sha1, int fd);
+
+extern int has_sha1_file(const unsigned char *sha1);
+
 /* Convert to/from hex/sha1 representation */
+extern int get_sha1(const char *str, unsigned char *sha1);
 extern int get_sha1_hex(const char *hex, unsigned char *sha1);
 extern char *sha1_to_hex(const unsigned char *sha1);	/* static buffer result! */
 
@@ -133,8 +161,28 @@ extern int error(const char *err, ...);
 
 extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2);
 
-extern void *read_tree_with_tree_or_commit_sha1(const unsigned char *sha1,
-						unsigned long *size,
-						unsigned char *tree_sha1_ret);
+extern void *read_object_with_reference(const unsigned char *sha1,
+					const unsigned char *required_type,
+					unsigned long *size,
+					unsigned char *sha1_ret);
+
+void parse_date(char *date, char *buf, int bufsize);
+void datestamp(char *buf, int bufsize);
+
+static inline void *xmalloc(int size)
+{
+	void *ret = malloc(size);
+	if (!ret)
+		die("Out of memory, malloc failed");
+	return ret;
+}
+
+static inline void *xrealloc(void *ptr, int size)
+{
+	void *ret = realloc(ptr, size);
+	if (!ret)
+		die("Out of memory, realloc failed");
+	return ret;
+}
 
 #endif /* CACHE_H */