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-rw-r--r--cache.h23
1 files changed, 21 insertions, 2 deletions
diff --git a/cache.h b/cache.h
index ae1990a54e..dcadfef929 100644
--- a/cache.h
+++ b/cache.h
@@ -227,6 +227,24 @@ extern void verify_non_filename(const char *prefix, const char *name);
#define alloc_nr(x) (((x)+16)*3/2)
+/*
+ * Realloc the buffer pointed at by variable 'x' so that it can hold
+ * at least 'nr' entries; the number of entries currently allocated
+ * is 'alloc', using the standard growing factor alloc_nr() macro.
+ *
+ * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
+ */
+#define ALLOC_GROW(x, nr, alloc) \
+ do { \
+ if ((nr) > alloc) { \
+ if (alloc_nr(alloc) < (nr)) \
+ alloc = (nr); \
+ else \
+ alloc = alloc_nr(alloc); \
+ x = xrealloc((x), alloc * sizeof(*(x))); \
+ } \
+ } while(0)
+
/* Initialize and use the cache information */
extern int read_index(struct index_state *);
extern int read_index_from(struct index_state *, const char *path);
@@ -356,7 +374,6 @@ extern int move_temp_to_file(const char *tmpfile, const char *filename);
extern int has_sha1_pack(const unsigned char *sha1, const char **ignore);
extern int has_sha1_file(const unsigned char *sha1);
-extern void *map_sha1_file(const unsigned char *sha1, unsigned long *);
extern int has_pack_file(const unsigned char *sha1);
extern int has_pack_index(const unsigned char *sha1);
@@ -481,7 +498,7 @@ extern void prepare_packed_git(void);
extern void reprepare_packed_git(void);
extern void install_packed_git(struct packed_git *pack);
-extern struct packed_git *find_sha1_pack(const unsigned char *sha1,
+extern struct packed_git *find_sha1_pack(const unsigned char *sha1,
struct packed_git *packs);
extern void pack_report(void);
@@ -517,6 +534,8 @@ extern char git_default_name[MAX_GITNAME];
extern const char *git_commit_encoding;
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 read_in_full(int fd, void *buf, size_t count);
extern int write_in_full(int fd, const void *buf, size_t count);