Commit 9abd7b8f authored by Nick Mathewson's avatar Nick Mathewson 🐻
Browse files

Windows lacks truncate(3).

Fix the new crypto tests, which used truncate(3).
parent 5dbb0bda
......@@ -432,6 +432,7 @@ AC_CHECK_FUNCS(
strtoull \
sysconf \
sysctl \
truncate \
uname \
usleep \
vasprintf \
......
......@@ -1322,6 +1322,29 @@ test_crypto_pk_base64(void *arg)
tor_free(encoded);
}
#ifdef HAVE_TRUNCATE
#define do_truncate truncate
#else
static int
do_truncate(const char *fname, size_t len)
{
struct stat st;
char *bytes;
bytes = read_file_to_str(fname, RFTS_BIN, &st);
if (!bytes)
return -1;
/* This cast isn't so great, but it should be safe given the actual files
* and lengths we're using. */
if (st.st_size < (off_t)len)
len = MIN(len, (size_t)st.st_size);
int r = write_bytes_to_file(fname, bytes, len, 1);
tor_free(bytes);
return r;
}
#endif
/** Sanity check for crypto pk digests */
static void
test_crypto_digests(void *arg)
......@@ -2664,8 +2687,8 @@ test_crypto_ed25519_storage(void *arg)
tor_free(tag);
/* whitebox test: truncated keys. */
tt_int_op(0, ==, truncate(fname_1, 40));
tt_int_op(0, ==, truncate(fname_2, 40));
tt_int_op(0, ==, do_truncate(fname_1, 40));
tt_int_op(0, ==, do_truncate(fname_2, 40));
tt_int_op(-1, OP_EQ, ed25519_pubkey_read_from_file(&pub, &tag, fname_2));
tt_ptr_op(tag, OP_EQ, NULL);
tor_free(tag);
......
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