diff options
Diffstat (limited to 'string/tst-endian.c')
-rw-r--r-- | string/tst-endian.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/string/tst-endian.c b/string/tst-endian.c deleted file mode 100644 index b156ede199..0000000000 --- a/string/tst-endian.c +++ /dev/null @@ -1,134 +0,0 @@ -#include <byteswap.h> -#include <endian.h> -#include <inttypes.h> -#include <stdio.h> -#include <stdint.h> -#include <libc-diag.h> - -#if __GNUC_PREREQ (6, 0) -/* GCC 6.0 warns on big endian systems about: - htobeXX (beXXtoh (i)) != i - warning: self-comparison always evaluates to false [-Wtautological-compare] - because htobeXX(x) and beXXtoh(x) is defined to (x) - in string/endian.h on big endian systems. - The same applies to htoleXX/leXXtoh on little endian systems. */ -# define DIAG_IGNORE_NEEDS_COMMENT_TAUTOLOGICAL_COMPARE() \ - DIAG_IGNORE_NEEDS_COMMENT (6, "-Wtautological-compare") -#else -# define DIAG_IGNORE_NEEDS_COMMENT_TAUTOLOGICAL_COMPARE() -#endif - -int -do_test (void) -{ - int result = 0; - - for (uint64_t i = 0; i < (~UINT64_C (0)) >> 2; i = (i << 1) + 3) - { - if (i < UINT64_C (65536)) - { - DIAG_PUSH_NEEDS_COMMENT; - DIAG_IGNORE_NEEDS_COMMENT_TAUTOLOGICAL_COMPARE (); - if (htobe16 (be16toh (i)) != i) - { - printf ("htobe16 (be16toh (%" PRIx64 ")) == %" PRIx16 "\n", - i, (uint16_t) htobe16 (be16toh (i))); - result = 1; - } - if (htole16 (le16toh (i)) != i) - { - printf ("htole16 (le16toh (%" PRIx64 ")) == %" PRIx16 "\n", - i, (uint16_t) htole16 (le16toh (i))); - result = 1; - } - DIAG_POP_NEEDS_COMMENT; - - uint16_t n[2]; - n[__BYTE_ORDER == __LITTLE_ENDIAN] = bswap_16 (i); - n[__BYTE_ORDER == __BIG_ENDIAN] = i; - if (htole16 (i) != n[0]) - { - printf ("htole16 (%" PRIx64 ") == %" PRIx16 " != %" PRIx16 "\n", - i, (uint16_t) htole16 (i), n[0]); - result = 1; - } - if (htobe16 (i) != n[1]) - { - printf ("htobe16 (%" PRIx64 ") == %" PRIx16 " != %" PRIx16 "\n", - i, (uint16_t) htobe16 (i), n[1]); - result = 1; - } - } - - if (i < UINT64_C (4294967296)) - { - DIAG_PUSH_NEEDS_COMMENT; - DIAG_IGNORE_NEEDS_COMMENT_TAUTOLOGICAL_COMPARE (); - if (htobe32 (be32toh (i)) != i) - { - printf ("htobe32 (be32toh (%" PRIx64 ")) == %" PRIx32 "\n", - i, (uint32_t) htobe32 (be32toh (i))); - result = 1; - } - if (htole32 (le32toh (i)) != i) - { - printf ("htole32 (le32toh (%" PRIx64 ")) == %" PRIx32 "\n", - i, (uint32_t) htole32 (le32toh (i))); - result = 1; - } - DIAG_POP_NEEDS_COMMENT; - - uint32_t n[2]; - n[__BYTE_ORDER == __LITTLE_ENDIAN] = bswap_32 (i); - n[__BYTE_ORDER == __BIG_ENDIAN] = i; - if (htole32 (i) != n[0]) - { - printf ("htole32 (%" PRIx64 ") == %" PRIx32 " != %" PRIx32 "\n", - i, (uint32_t) htole32 (i), n[0]); - result = 1; - } - if (htobe32 (i) != n[1]) - { - printf ("htobe32 (%" PRIx64 ") == %" PRIx32 " != %" PRIx32 "\n", - i, (uint32_t) htobe32 (i), n[1]); - result = 1; - } - } - - DIAG_PUSH_NEEDS_COMMENT; - DIAG_IGNORE_NEEDS_COMMENT_TAUTOLOGICAL_COMPARE (); - if (htobe64 (be64toh (i)) != i) - { - printf ("htobe64 (be64toh (%" PRIx64 ")) == %" PRIx64 "\n", - i, htobe64 (be64toh (i))); - result = 1; - } - if (htole64 (le64toh (i)) != i) - { - printf ("htole64 (le64toh (%" PRIx64 ")) == %" PRIx64 "\n", - i, htole64 (le64toh (i))); - result = 1; - } - DIAG_POP_NEEDS_COMMENT; - - uint64_t n[2]; - n[__BYTE_ORDER == __LITTLE_ENDIAN] = bswap_64 (i); - n[__BYTE_ORDER == __BIG_ENDIAN] = i; - if (htole64 (i) != n[0]) - { - printf ("htole64 (%" PRIx64 ") == %" PRIx64 " != %" PRIx64 "\n", - i, htole64 (i), n[0]); - result = 1; - } - if (htobe64 (i) != n[1]) - { - printf ("htobe64 (%" PRIx64 ") == %" PRIx64 " != %" PRIx64 "\n", - i, htobe64 (i), n[1]); - result = 1; - } - } - - return result; -} - -#include <support/test-driver.c> |