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sha1_file: add a "read_sha1_file_repl" function 

This new function will replace "read_sha1_file". This latter function
becoming just a stub to call the former will a NULL "replacement"
argument.

This new function is needed because sometimes we need to use the
replacement sha1.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2009-01-23 10:07:01 +01:00 committed by Junio C Hamano
parent 6809557029
commit f5552aee39
2 changed files with 12 additions and 3 deletions
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6
cache.h
View File

@ -649,7 +649,11 @@ char *strip_path_suffix(const char *path, const char *suffix);
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern int sha1_object_info(const unsigned char *, unsigned long *);
extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size);
extern void *read_sha1_file_repl(const unsigned char *sha1, enum object_type *type, unsigned long *size, const unsigned char **replacement);
static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
{
return read_sha1_file_repl(sha1, type, size, NULL);
}
extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);

9
sha1_file.c
View File

@ -2145,8 +2145,10 @@ static void *read_object(const unsigned char *sha1, enum object_type *type,
return read_packed_sha1(sha1, type, size);
}
void *read_sha1_file(const unsigned char *sha1, enum object_type *type,
unsigned long *size)
void *read_sha1_file_repl(const unsigned char *sha1,
enum object_type *type,
unsigned long *size,
const unsigned char **replacement)
{
const unsigned char *repl = lookup_replace_object(sha1);
void *data = read_object(repl, type, size);
@ -2160,6 +2162,9 @@ void *read_sha1_file(const unsigned char *sha1, enum object_type *type,
if (!data && (has_loose_object(repl) || has_packed_and_bad(repl)))
die("object %s is corrupted", sha1_to_hex(repl));
if (replacement)
*replacement = repl;
return data;
}