Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
packv4-parse.c | 41 ++++++++++++++++++++++++++---------------
1 file changed, 26 insertions(+), 15 deletions(-)
diff --git a/packv4-parse.c b/packv4-parse.c
index 31c89c7..7b096cb 100644
--- a/packv4-parse.c
+++ b/packv4-parse.c
@@ -443,6 +443,31 @@ static int tree_entry_prefix(unsigned char *buf, unsigned long size,
return len;
}
+static int generate_tree_entry(struct packed_git *p,
+ const unsigned char **bufp,
+ unsigned char **dstp, unsigned long *sizep,
+ int what)
+{
+ const unsigned char *path, *sha1;
+ unsigned mode;
+ int len, pathlen;
+
+ path = get_pathref(p, what >> 1, &pathlen);
+ sha1 = get_sha1ref(p, bufp);
+ if (!path || !sha1)
+ return -1;
+ mode = (path[0] << 8) | path[1];
+ len = tree_entry_prefix(*dstp, *sizep,
+ path + 2, pathlen - 2, mode);
+ if (!len || len + 20 > *sizep)
+ return -1;
+ hashcpy(*dstp + len, sha1);
+ len += 20;
+ *dstp += len;
+ *sizep -= len;
+ return 0;
+}
+
static int decode_entries(struct packed_git *p, struct pack_window **w_curs,
off_t obj_offset, unsigned int start, unsigned int count,
unsigned char **dstp, unsigned long *sizep)
@@ -543,22 +568,8 @@ static int decode_entries(struct packed_git *p, struct pack_window **w_curs,
/*
* This is an actual tree entry to recreate.
*/
- const unsigned char *path, *sha1;
- unsigned mode;
- int len, pathlen;
-
- path = get_pathref(p, what >> 1, &pathlen);
- sha1 = get_sha1ref(p, &scp);
- if (!path || !sha1)
- return -1;
- mode = (path[0] << 8) | path[1];
- len = tree_entry_prefix(*dstp, *sizep,
- path + 2, pathlen - 2, mode);
- if (!len || len + 20 > *sizep)
+ if (generate_tree_entry(p, &scp, dstp, sizep, what))
return -1;
- hashcpy(*dstp + len, sha1);
- *dstp += len + 20;
- *sizep -= len + 20;
count--;
curpos++;
} else if (what & 1) {
--
1.8.2.83.gc99314b
--
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