| 1 | #include "chromium.h"
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| 2 | #include "cr_endian.h"
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| 3 |
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| 4 | char crDetermineEndianness( void )
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| 5 | {
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| 6 | union {
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| 7 | struct {
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| 8 | char c1;
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| 9 | char c2;
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| 10 | char c3;
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| 11 | char c4;
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| 12 | } c;
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| 13 | unsigned int i;
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| 14 | } e_test;
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| 15 |
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| 16 | e_test.c.c1 = 1;
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| 17 | e_test.c.c2 = 2;
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| 18 | e_test.c.c3 = 3;
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| 19 | e_test.c.c4 = 4;
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| 20 |
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| 21 | if (e_test.i == 0x01020304)
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| 22 | {
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| 23 | return CR_BIG_ENDIAN;
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| 24 | }
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| 25 | return CR_LITTLE_ENDIAN;
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| 26 | }
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| 27 |
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| 28 | double SWAPDOUBLE( double d )
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| 29 | {
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| 30 | CR64BitType *ptr = (CR64BitType *) (&d);
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| 31 | #ifdef __STDC__
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| 32 | CR64BitType swapped;
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| 33 | SWAP64( *ptr );
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| 34 | swapped = *ptr;
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| 35 | #else
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| 36 | CR64BitType swapped = SWAP64( *ptr );
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| 37 | #endif
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| 38 | return *((double *) (&swapped));
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| 39 | }
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