| 1 | /* $Id: $ */
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| 2 | /** @file
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| 3 | *
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| 4 | * kLdr - The Dynamic Loader, Helper Functions.
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| 5 | *
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| 6 | * Copyright (c) 2006 knut st. osmundsen <bird@anduin.net>
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| 7 | *
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| 8 | *
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| 9 | * This file is part of kLdr.
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| 10 | *
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| 11 | * kLdr is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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| 13 | * the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * kLdr is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with kLdr; if not, write to the Free Software
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| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 24 | *
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| 25 | */
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| 26 |
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| 27 |
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| 28 | #ifndef __kLdrHlp_h__
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| 29 | #define __kLdrHlp_h__
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| 30 |
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| 31 | /** Get the minimum of two values. */
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| 32 | #define KLDR_MIN(a, b) ((a) <= (b) ? (a) : (b))
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| 33 |
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| 34 | #ifdef __OS2__
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| 35 |
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| 36 | int kldrSemInit(void);
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| 37 | int kldrSemTerm(void);
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| 38 | int kldrSemRequest(void);
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| 39 | int kldrSemRelease(void);
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| 40 | int kldrSemGlobalRequest(void);
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| 41 | int kldrSemGlobalRelease(void);
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| 42 |
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| 43 | /** Loader file handle. */
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| 44 | typedef unsigned long KLDRFILE;
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| 45 | /** Pointer to a loader file handle. */
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| 46 | typedef KLDRFILE *PKLDRFILE;
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| 47 |
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| 48 | int kldrFileOpen(const char *pszFilename, PKLDRFILE pFile);
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| 49 | int kldrFileClose(KLDRFILE File);
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| 50 | int kldrFileRead(KLDRFILE File, off_t off, void *pv, size_t cb);
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| 51 |
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| 52 | int kldrGetEnv(const char *pszVar, char *pszVar, size_t *pcchVar)
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| 53 |
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| 54 | void *kldrAlloc(size_t cb);
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| 55 | void kldrFree(void *pv);
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| 56 |
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| 57 | int kldrPrivateAlloc(void *pv, size_t cb, unsigned fFlags, void **ppv);
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| 58 | int kldrPrivateFree(void *pv, size_t cb);
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| 59 | int kldrSharedAlloc(void *pv, size_t cb, unsigned fFlags, const char *pszFilename, KLDRFILE File, void **ppv);
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| 60 | int kldrSharedFree(void *pv, size_t cb);
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| 61 |
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| 62 | void kldrExit(int rc);
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| 63 |
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| 64 | /* #elif __WIN__ */
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| 65 |
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| 66 | #else
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| 67 |
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| 68 |
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| 69 |
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| 70 | #endif
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| 71 |
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| 72 | /*
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| 73 | * Compiler specific helpers.
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| 74 | * (I.e. operations that tend to have compiler intrinsic implementations).
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| 75 | */
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| 76 | #ifdef __GNUC__
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| 77 | /** memcpy */
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| 78 | # define kLdrMemCopy(a,b,c) __builtin_memcpy(a,b,c)
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| 79 | /** memset */
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| 80 | # define kLdrMemSet(a,b,c) __builtin_memset(a,b,c)
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| 81 | #endif
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| 82 |
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| 83 | #ifndef kLdrMemCopy
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| 84 | # error "Needs porting to your compiler."
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| 85 | #endif
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| 86 |
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| 87 | #endif /* __kLdrHlp_h__ */
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