diff options
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | src/test/test_crypto.c | 27 |
2 files changed, 26 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 8eb57f8205..de59c752bc 100644 --- a/configure.ac +++ b/configure.ac @@ -432,6 +432,7 @@ AC_CHECK_FUNCS( strtoull \ sysconf \ sysctl \ + truncate \ uname \ usleep \ vasprintf \ diff --git a/src/test/test_crypto.c b/src/test/test_crypto.c index e981eac602..cba91584f5 100644 --- a/src/test/test_crypto.c +++ b/src/test/test_crypto.c @@ -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); |