Revision 9bea2b5896701cf952f75c8f6756656cd3c40af0 authored by Junio C Hamano on 12 June 2012, 16:10:52 UTC, committed by Junio C Hamano on 12 June 2012, 16:10:52 UTC
Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent 3a2c135
test-sha1.c
#include "cache.h"
int main(int ac, char **av)
{
git_SHA_CTX ctx;
unsigned char sha1[20];
unsigned bufsz = 8192;
char *buffer;
if (ac == 2)
bufsz = strtoul(av[1], NULL, 10) * 1024 * 1024;
if (!bufsz)
bufsz = 8192;
while ((buffer = malloc(bufsz)) == NULL) {
fprintf(stderr, "bufsz %u is too big, halving...\n", bufsz);
bufsz /= 2;
if (bufsz < 1024)
die("OOPS");
}
git_SHA1_Init(&ctx);
while (1) {
ssize_t sz, this_sz;
char *cp = buffer;
unsigned room = bufsz;
this_sz = 0;
while (room) {
sz = xread(0, cp, room);
if (sz == 0)
break;
if (sz < 0)
die_errno("test-sha1");
this_sz += sz;
cp += sz;
room -= sz;
}
if (this_sz == 0)
break;
git_SHA1_Update(&ctx, buffer, this_sz);
}
git_SHA1_Final(sha1, &ctx);
puts(sha1_to_hex(sha1));
exit(0);
}
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