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#include "test-lib.h"
#include "lib-oid.h"
#include "strbuf.h"
#include "hex.h"
static int init_hash_algo(void)
{
static int algo = -1;
if (algo < 0) {
const char *algo_name = getenv("GIT_TEST_DEFAULT_HASH");
algo = algo_name ? hash_algo_by_name(algo_name) : GIT_HASH_SHA1;
if (!check(algo != GIT_HASH_UNKNOWN))
test_msg("BUG: invalid GIT_TEST_DEFAULT_HASH value ('%s')",
algo_name);
}
return algo;
}
static int get_oid_arbitrary_hex_algop(const char *hex, struct object_id *oid,
const struct git_hash_algo *algop)
{
int ret;
size_t sz = strlen(hex);
struct strbuf buf = STRBUF_INIT;
if (!check(sz <= algop->hexsz)) {
test_msg("BUG: hex string (%s) bigger than maximum allowed (%lu)",
hex, (unsigned long)algop->hexsz);
return -1;
}
strbuf_add(&buf, hex, sz);
strbuf_addchars(&buf, '0', algop->hexsz - sz);
ret = get_oid_hex_algop(buf.buf, oid, algop);
if (!check_int(ret, ==, 0))
test_msg("BUG: invalid hex input (%s) provided", hex);
strbuf_release(&buf);
return ret;
}
int get_oid_arbitrary_hex(const char *hex, struct object_id *oid)
{
int hash_algo = init_hash_algo();
if (!check_int(hash_algo, !=, GIT_HASH_UNKNOWN))
return -1;
return get_oid_arbitrary_hex_algop(hex, oid, &hash_algos[hash_algo]);
}
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