summaryrefslogtreecommitdiff
path: root/read-tree.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-22 16:42:37 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-22 16:42:37 -0700
commit94537c78a82619b2625cb827ec0094703579bfed (patch)
tree9258e61a83bd78c41324c96ac57e3bf6e7967d58 /read-tree.c
parentaba06682473e2d797011f966d66c93043e3ed57a (diff)
downloadgit-94537c78a82619b2625cb827ec0094703579bfed.tar.gz
Move "read_tree()" to "tree.c" to be used as a generic helper function.
Next step: make "diff-cache" use it.
Diffstat (limited to 'read-tree.c')
-rw-r--r--read-tree.c66
1 files changed, 3 insertions, 63 deletions
diff --git a/read-tree.c b/read-tree.c
index 345d576dcb..7b50fe6e93 100644
--- a/read-tree.c
+++ b/read-tree.c
@@ -7,67 +7,7 @@
static int stage = 0;
-static int read_one_entry(unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode)
-{
- int len = strlen(pathname);
- unsigned int size = cache_entry_size(baselen + len);
- struct cache_entry *ce = malloc(size);
-
- memset(ce, 0, size);
-
- ce->ce_mode = create_ce_mode(mode);
- ce->ce_flags = create_ce_flags(baselen + len, stage);
- memcpy(ce->name, base, baselen);
- memcpy(ce->name + baselen, pathname, len+1);
- memcpy(ce->sha1, sha1, 20);
- return add_cache_entry(ce, 1);
-}
-
-static int read_tree_recursive(void *buffer, unsigned long size,
- const char *base, int baselen)
-{
- while (size) {
- int len = strlen(buffer)+1;
- unsigned char *sha1 = buffer + len;
- char *path = strchr(buffer, ' ')+1;
- unsigned int mode;
-
- if (size < len + 20 || sscanf(buffer, "%o", &mode) != 1)
- return -1;
-
- buffer = sha1 + 20;
- size -= len + 20;
-
- if (S_ISDIR(mode)) {
- int retval;
- int pathlen = strlen(path);
- char *newbase = malloc(baselen + 1 + pathlen);
- void *eltbuf;
- char elttype[20];
- unsigned long eltsize;
-
- eltbuf = read_sha1_file(sha1, elttype, &eltsize);
- if (!eltbuf || strcmp(elttype, "tree"))
- return -1;
- memcpy(newbase, base, baselen);
- memcpy(newbase + baselen, path, pathlen);
- newbase[baselen + pathlen] = '/';
- retval = read_tree_recursive(eltbuf, eltsize,
- newbase,
- baselen + pathlen + 1);
- free(eltbuf);
- free(newbase);
- if (retval)
- return -1;
- continue;
- }
- if (read_one_entry(sha1, base, baselen, path, mode) < 0)
- return -1;
- }
- return 0;
-}
-
-static int read_tree(unsigned char *sha1, const char *base, int baselen)
+static int unpack_tree(unsigned char *sha1)
{
void *buffer;
unsigned long size;
@@ -75,7 +15,7 @@ static int read_tree(unsigned char *sha1, const char *base, int baselen)
buffer = read_tree_with_tree_or_commit_sha1(sha1, &size, 0);
if (!buffer)
return -1;
- return read_tree_recursive(buffer, size, base, baselen);
+ return read_tree(buffer, size, stage);
}
static char *lockfile_name;
@@ -255,7 +195,7 @@ int main(int argc, char **argv)
usage(read_tree_usage);
if (stage > 3)
usage(read_tree_usage);
- if (read_tree(sha1, "", 0) < 0)
+ if (unpack_tree(sha1) < 0)
die("failed to unpack tree object %s", arg);
stage++;
}