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