Mercurial > sdl-ios-xcode
annotate src/endian/SDL_endian.c @ 1045:63b8e93a3a52
Release CPU when waiting
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Fri, 01 Apr 2005 15:19:26 +0000 |
| parents | b8d311d90021 |
| children | c9b51268668f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
769
b8d311d90021
Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* Functions for dynamically reading and writing endian-specific values */ | |
| 29 | |
| 30 #include "SDL_endian.h" | |
| 31 | |
| 32 Uint16 SDL_ReadLE16 (SDL_RWops *src) | |
| 33 { | |
| 34 Uint16 value; | |
| 35 | |
| 36 SDL_RWread(src, &value, (sizeof value), 1); | |
| 37 return(SDL_SwapLE16(value)); | |
| 38 } | |
| 39 Uint16 SDL_ReadBE16 (SDL_RWops *src) | |
| 40 { | |
| 41 Uint16 value; | |
| 42 | |
| 43 SDL_RWread(src, &value, (sizeof value), 1); | |
| 44 return(SDL_SwapBE16(value)); | |
| 45 } | |
| 46 Uint32 SDL_ReadLE32 (SDL_RWops *src) | |
| 47 { | |
| 48 Uint32 value; | |
| 49 | |
| 50 SDL_RWread(src, &value, (sizeof value), 1); | |
| 51 return(SDL_SwapLE32(value)); | |
| 52 } | |
| 53 Uint32 SDL_ReadBE32 (SDL_RWops *src) | |
| 54 { | |
| 55 Uint32 value; | |
| 56 | |
| 57 SDL_RWread(src, &value, (sizeof value), 1); | |
| 58 return(SDL_SwapBE32(value)); | |
| 59 } | |
| 60 Uint64 SDL_ReadLE64 (SDL_RWops *src) | |
| 61 { | |
| 62 Uint64 value; | |
| 63 | |
| 64 SDL_RWread(src, &value, (sizeof value), 1); | |
| 65 return(SDL_SwapLE64(value)); | |
| 66 } | |
| 67 Uint64 SDL_ReadBE64 (SDL_RWops *src) | |
| 68 { | |
| 69 Uint64 value; | |
| 70 | |
| 71 SDL_RWread(src, &value, (sizeof value), 1); | |
| 72 return(SDL_SwapBE64(value)); | |
| 73 } | |
| 74 | |
| 75 int SDL_WriteLE16 (SDL_RWops *dst, Uint16 value) | |
| 76 { | |
| 77 value = SDL_SwapLE16(value); | |
| 78 return(SDL_RWwrite(dst, &value, (sizeof value), 1)); | |
| 79 } | |
| 80 int SDL_WriteBE16 (SDL_RWops *dst, Uint16 value) | |
| 81 { | |
| 82 value = SDL_SwapBE16(value); | |
| 83 return(SDL_RWwrite(dst, &value, (sizeof value), 1)); | |
| 84 } | |
| 85 int SDL_WriteLE32 (SDL_RWops *dst, Uint32 value) | |
| 86 { | |
| 87 value = SDL_SwapLE32(value); | |
| 88 return(SDL_RWwrite(dst, &value, (sizeof value), 1)); | |
| 89 } | |
| 90 int SDL_WriteBE32 (SDL_RWops *dst, Uint32 value) | |
| 91 { | |
| 92 value = SDL_SwapBE32(value); | |
| 93 return(SDL_RWwrite(dst, &value, (sizeof value), 1)); | |
| 94 } | |
| 95 int SDL_WriteLE64 (SDL_RWops *dst, Uint64 value) | |
| 96 { | |
| 97 value = SDL_SwapLE64(value); | |
| 98 return(SDL_RWwrite(dst, &value, (sizeof value), 1)); | |
| 99 } | |
| 100 int SDL_WriteBE64 (SDL_RWops *dst, Uint64 value) | |
| 101 { | |
| 102 value = SDL_SwapBE64(value); | |
| 103 return(SDL_RWwrite(dst, &value, (sizeof value), 1)); | |
| 104 } |