misc/libphysfs/src/physfs_byteorder.c
branchphysfslayer
changeset 8524 a65e9bcf0a03
parent 8522 1853628ae285
child 8526 9f2bd885d773
--- a/misc/libphysfs/src/physfs_byteorder.c	Fri Feb 22 05:15:48 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,137 +0,0 @@
-/**
- * PhysicsFS; a portable, flexible file i/o abstraction.
- *
- * Documentation is in physfs.h. It's verbose, honest.  :)
- *
- * Please see the file LICENSE.txt in the source's root directory.
- *
- *  This file written by Ryan C. Gordon.
- */
-
-#define __PHYSICSFS_INTERNAL__
-#include "physfs_internal.h"
-
-#ifndef PHYSFS_Swap16
-static inline PHYSFS_uint16 PHYSFS_Swap16(PHYSFS_uint16 D)
-{
-    return ((D<<8)|(D>>8));
-}
-#endif
-#ifndef PHYSFS_Swap32
-static inline PHYSFS_uint32 PHYSFS_Swap32(PHYSFS_uint32 D)
-{
-    return ((D<<24)|((D<<8)&0x00FF0000)|((D>>8)&0x0000FF00)|(D>>24));
-}
-#endif
-#ifndef PHYSFS_NO_64BIT_SUPPORT
-#ifndef PHYSFS_Swap64
-static inline PHYSFS_uint64 PHYSFS_Swap64(PHYSFS_uint64 val) {
-    PHYSFS_uint32 hi, lo;
-
-    /* Separate into high and low 32-bit values and swap them */
-    lo = (PHYSFS_uint32)(val&0xFFFFFFFF);
-    val >>= 32;
-    hi = (PHYSFS_uint32)(val&0xFFFFFFFF);
-    val = PHYSFS_Swap32(lo);
-    val <<= 32;
-    val |= PHYSFS_Swap32(hi);
-    return val;
-}
-#endif
-#else
-#ifndef PHYSFS_Swap64
-/* This is mainly to keep compilers from complaining in PHYSFS code.
-   If there is no real 64-bit datatype, then compilers will complain about
-   the fake 64-bit datatype that PHYSFS provides when it compiles user code.
-*/
-#define PHYSFS_Swap64(X)    (X)
-#endif
-#endif /* PHYSFS_NO_64BIT_SUPPORT */
-
-
-/* Byteswap item from the specified endianness to the native endianness */
-#if PHYSFS_BYTEORDER == PHYSFS_LIL_ENDIAN
-PHYSFS_uint16 PHYSFS_swapULE16(PHYSFS_uint16 x) { return x; }
-PHYSFS_sint16 PHYSFS_swapSLE16(PHYSFS_sint16 x) { return x; }
-PHYSFS_uint32 PHYSFS_swapULE32(PHYSFS_uint32 x) { return x; }
-PHYSFS_sint32 PHYSFS_swapSLE32(PHYSFS_sint32 x) { return x; }
-PHYSFS_uint64 PHYSFS_swapULE64(PHYSFS_uint64 x) { return x; }
-PHYSFS_sint64 PHYSFS_swapSLE64(PHYSFS_sint64 x) { return x; }
-
-PHYSFS_uint16 PHYSFS_swapUBE16(PHYSFS_uint16 x) { return PHYSFS_Swap16(x); }
-PHYSFS_sint16 PHYSFS_swapSBE16(PHYSFS_sint16 x) { return PHYSFS_Swap16(x); }
-PHYSFS_uint32 PHYSFS_swapUBE32(PHYSFS_uint32 x) { return PHYSFS_Swap32(x); }
-PHYSFS_sint32 PHYSFS_swapSBE32(PHYSFS_sint32 x) { return PHYSFS_Swap32(x); }
-PHYSFS_uint64 PHYSFS_swapUBE64(PHYSFS_uint64 x) { return PHYSFS_Swap64(x); }
-PHYSFS_sint64 PHYSFS_swapSBE64(PHYSFS_sint64 x) { return PHYSFS_Swap64(x); }
-#else
-PHYSFS_uint16 PHYSFS_swapULE16(PHYSFS_uint16 x) { return PHYSFS_Swap16(x); }
-PHYSFS_sint16 PHYSFS_swapSLE16(PHYSFS_sint16 x) { return PHYSFS_Swap16(x); }
-PHYSFS_uint32 PHYSFS_swapULE32(PHYSFS_uint32 x) { return PHYSFS_Swap32(x); }
-PHYSFS_sint32 PHYSFS_swapSLE32(PHYSFS_sint32 x) { return PHYSFS_Swap32(x); }
-PHYSFS_uint64 PHYSFS_swapULE64(PHYSFS_uint64 x) { return PHYSFS_Swap64(x); }
-PHYSFS_sint64 PHYSFS_swapSLE64(PHYSFS_sint64 x) { return PHYSFS_Swap64(x); }
-
-PHYSFS_uint16 PHYSFS_swapUBE16(PHYSFS_uint16 x) { return x; }
-PHYSFS_sint16 PHYSFS_swapSBE16(PHYSFS_sint16 x) { return x; }
-PHYSFS_uint32 PHYSFS_swapUBE32(PHYSFS_uint32 x) { return x; }
-PHYSFS_sint32 PHYSFS_swapSBE32(PHYSFS_sint32 x) { return x; }
-PHYSFS_uint64 PHYSFS_swapUBE64(PHYSFS_uint64 x) { return x; }
-PHYSFS_sint64 PHYSFS_swapSBE64(PHYSFS_sint64 x) { return x; }
-#endif
-
-static inline int readAll(PHYSFS_File *file, void *val, const size_t len)
-{
-    return (PHYSFS_readBytes(file, val, len) == len);
-} /* readAll */
-
-#define PHYSFS_BYTEORDER_READ(datatype, swaptype) \
-    int PHYSFS_read##swaptype(PHYSFS_File *file, PHYSFS_##datatype *val) { \
-        PHYSFS_##datatype in; \
-        BAIL_IF_MACRO(val == NULL, PHYSFS_ERR_INVALID_ARGUMENT, 0); \
-        BAIL_IF_MACRO(!readAll(file, &in, sizeof (in)), ERRPASS, 0); \
-        *val = PHYSFS_swap##swaptype(in); \
-        return 1; \
-    }
-
-PHYSFS_BYTEORDER_READ(sint16, SLE16)
-PHYSFS_BYTEORDER_READ(uint16, ULE16)
-PHYSFS_BYTEORDER_READ(sint16, SBE16)
-PHYSFS_BYTEORDER_READ(uint16, UBE16)
-PHYSFS_BYTEORDER_READ(sint32, SLE32)
-PHYSFS_BYTEORDER_READ(uint32, ULE32)
-PHYSFS_BYTEORDER_READ(sint32, SBE32)
-PHYSFS_BYTEORDER_READ(uint32, UBE32)
-PHYSFS_BYTEORDER_READ(sint64, SLE64)
-PHYSFS_BYTEORDER_READ(uint64, ULE64)
-PHYSFS_BYTEORDER_READ(sint64, SBE64)
-PHYSFS_BYTEORDER_READ(uint64, UBE64)
-
-
-static inline int writeAll(PHYSFS_File *f, const void *val, const size_t len)
-{
-    return (PHYSFS_writeBytes(f, val, len) == len);
-} /* writeAll */
-
-#define PHYSFS_BYTEORDER_WRITE(datatype, swaptype) \
-    int PHYSFS_write##swaptype(PHYSFS_File *file, PHYSFS_##datatype val) { \
-        const PHYSFS_##datatype out = PHYSFS_swap##swaptype(val); \
-        BAIL_IF_MACRO(!writeAll(file, &out, sizeof (out)), ERRPASS, 0); \
-        return 1; \
-    }
-
-PHYSFS_BYTEORDER_WRITE(sint16, SLE16)
-PHYSFS_BYTEORDER_WRITE(uint16, ULE16)
-PHYSFS_BYTEORDER_WRITE(sint16, SBE16)
-PHYSFS_BYTEORDER_WRITE(uint16, UBE16)
-PHYSFS_BYTEORDER_WRITE(sint32, SLE32)
-PHYSFS_BYTEORDER_WRITE(uint32, ULE32)
-PHYSFS_BYTEORDER_WRITE(sint32, SBE32)
-PHYSFS_BYTEORDER_WRITE(uint32, UBE32)
-PHYSFS_BYTEORDER_WRITE(sint64, SLE64)
-PHYSFS_BYTEORDER_WRITE(uint64, ULE64)
-PHYSFS_BYTEORDER_WRITE(sint64, SBE64)
-PHYSFS_BYTEORDER_WRITE(uint64, UBE64)
-
-/* end of physfs_byteorder.c ... */
-