Revision a2ef9d633f67edc227b00209d5b72ec388388877 authored by J. Bruce Fields on 19 August 2007, 02:16:24 UTC, committed by J. Bruce Fields on 26 August 2007, 14:35:16 UTC
Use the word "commit" as a synonym for "version" from the start. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
1 parent a5f90f3
pack-write.c
#include "cache.h"
#include "pack.h"
void fixup_pack_header_footer(int pack_fd,
unsigned char *pack_file_sha1,
const char *pack_name,
uint32_t object_count)
{
static const int buf_sz = 128 * 1024;
SHA_CTX c;
struct pack_header hdr;
char *buf;
if (lseek(pack_fd, 0, SEEK_SET) != 0)
die("Failed seeking to start: %s", strerror(errno));
if (read_in_full(pack_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
die("Unable to reread header of %s: %s", pack_name, strerror(errno));
if (lseek(pack_fd, 0, SEEK_SET) != 0)
die("Failed seeking to start: %s", strerror(errno));
hdr.hdr_entries = htonl(object_count);
write_or_die(pack_fd, &hdr, sizeof(hdr));
SHA1_Init(&c);
SHA1_Update(&c, &hdr, sizeof(hdr));
buf = xmalloc(buf_sz);
for (;;) {
ssize_t n = xread(pack_fd, buf, buf_sz);
if (!n)
break;
if (n < 0)
die("Failed to checksum %s: %s", pack_name, strerror(errno));
SHA1_Update(&c, buf, n);
}
free(buf);
SHA1_Final(pack_file_sha1, &c);
write_or_die(pack_fd, pack_file_sha1, 20);
}
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