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Refactor the pack header reading function out of receive-pack.c

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Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2007-01-22 21:55:18 -08:00
parent 196055c2db
commit a69e542989
3 changed files with 40 additions and 12 deletions
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26
receive-pack.c
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@ -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;