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-rw-r--r--receive-pack.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/receive-pack.c b/receive-pack.c
index 6333f00..b3a4552 100644
--- a/receive-pack.c
+++ b/receive-pack.c
@@ -250,20 +250,22 @@ static void read_head_info(void)
static const char *parse_pack_header(struct pack_header *hdr)
{
- char *c = (char*)hdr;
- ssize_t remaining = sizeof(struct pack_header);
- do {
- ssize_t r = xread(0, c, remaining);
- if (r <= 0)
- return "eof before pack header was fully read";
- remaining -= r;
- c += r;
- } while (remaining > 0);
- if (hdr->hdr_signature != htonl(PACK_SIGNATURE))
+ switch (read_pack_header(0, hdr)) {
+ case PH_ERROR_EOF:
+ return "eof before pack header was fully read";
+
+ case PH_ERROR_PACK_SIGNATURE:
return "protocol error (pack signature mismatch detected)";
- if (!pack_version_ok(hdr->hdr_version))
+
+ case PH_ERROR_PROTOCOL:
return "protocol error (pack version unsupported)";
- return NULL;
+
+ default:
+ return "unknown error in parse_pack_header";
+
+ case 0:
+ return NULL;
+ }
}
static const char *pack_lockfile;