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glibc  2.9
Defines | Functions
tst-endian.c File Reference
#include <byteswap.h>
#include <endian.h>
#include <inttypes.h>
#include <stdio.h>
#include "../test-skeleton.c"

Go to the source code of this file.

Defines

#define TEST_FUNCTION   do_test ()

Functions

static int do_test (void)

Define Documentation

#define TEST_FUNCTION   do_test ()

Definition at line 111 of file tst-endian.c.


Function Documentation

static int do_test ( void  ) [static]

Definition at line 8 of file tst-endian.c.

{
  int result = 0;

  for (uint64_t i = 0; i < (~UINT64_C (0)) >> 2; i = (i << 1) + 3)
    {
      if (i < UINT64_C (65536))
       {
         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;
           }

         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))
       {
         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;
           }

         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;
           }
       }

      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;
       }

      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;
}

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