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0bd8c2f09e
Backporting fix that adds pthread specific swap buffer for both tc_read and tc_write. refs #187
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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PURPOSE: (Byte swapping.)
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REFERENCES: (Copied from ISP and changed names, added float and long swaps)
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PROGRAMMERS: (((Jane Falgout) (LinCom) (5/98) (--) (--)))
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ICG: (No)
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*/
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#ifndef TRICK_BYTESWAP_H
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#define TRICK_BYTESWAP_H
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#define TRICK_BIG_ENDIAN (char)0x00
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#define TRICK_LITTLE_ENDIAN (char)0x01
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#ifdef __cplusplus
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extern "C" {
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#endif
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double trick_byteswap_double(double input);
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float trick_byteswap_float(float input);
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long trick_byteswap_long(long input);
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int trick_byteswap_int(int input);
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short trick_byteswap_short(short input);
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#ifdef __cplusplus
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}
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#endif
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struct SwapBuffer {
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unsigned int size ;
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char * swap_space ;
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} ;
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#define TRICK_GET_BYTE_ORDER(IND) \
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{ \
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union { \
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long l; \
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char c[sizeof(long)]; \
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} un; \
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un.l = 1; \
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if (un.c[sizeof(long)-1] == 1) \
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IND = TRICK_BIG_ENDIAN; \
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else \
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IND = TRICK_LITTLE_ENDIAN; \
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}
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#endif
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