| 1 | /*************************************************************************/ | 
| 2 | /*                                                                       */ | 
| 3 | /*                  Language Technologies Institute                      */ | 
| 4 | /*                     Carnegie Mellon University                        */ | 
| 5 | /*                        Copyright (c) 1999                             */ | 
| 6 | /*                        All Rights Reserved.                           */ | 
| 7 | /*                                                                       */ | 
| 8 | /*  Permission is hereby granted, free of charge, to use and distribute  */ | 
| 9 | /*  this software and its documentation without restriction, including   */ | 
| 10 | /*  without limitation the rights to use, copy, modify, merge, publish,  */ | 
| 11 | /*  distribute, sublicense, and/or sell copies of this work, and to      */ | 
| 12 | /*  permit persons to whom this work is furnished to do so, subject to   */ | 
| 13 | /*  the following conditions:                                            */ | 
| 14 | /*   1. The code must retain the above copyright notice, this list of    */ | 
| 15 | /*      conditions and the following disclaimer.                         */ | 
| 16 | /*   2. Any modifications must be clearly marked as such.                */ | 
| 17 | /*   3. Original authors' names are not deleted.                         */ | 
| 18 | /*   4. The authors' names are not used to endorse or promote products   */ | 
| 19 | /*      derived from this software without specific prior written        */ | 
| 20 | /*      permission.                                                      */ | 
| 21 | /*                                                                       */ | 
| 22 | /*  CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK         */ | 
| 23 | /*  DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING      */ | 
| 24 | /*  ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT   */ | 
| 25 | /*  SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE      */ | 
| 26 | /*  FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES    */ | 
| 27 | /*  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN   */ | 
| 28 | /*  AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,          */ | 
| 29 | /*  ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF       */ | 
| 30 | /*  THIS SOFTWARE.                                                       */ | 
| 31 | /*                                                                       */ | 
| 32 | /*************************************************************************/ | 
| 33 | /*             Author:  Alan W Black (awb@cs.cmu.edu)                    */ | 
| 34 | /*               Date:  August 2000                                      */ | 
| 35 | /*************************************************************************/ | 
| 36 | /*                                                                       */ | 
| 37 | /*  Some File stuff                                                      */ | 
| 38 | /*                                                                       */ | 
| 39 | /*************************************************************************/ | 
| 40 | #ifndef _CST_FILE_H__ | 
| 41 | #define _CST_FILE_H__ | 
| 42 |  | 
| 43 | #define CST_WRONG_FORMAT -2 | 
| 44 | #define CST_ERROR_FORMAT -1 | 
| 45 | #define CST_OK_FORMAT     0 | 
| 46 |  | 
| 47 | #ifdef UNDER_CE | 
| 48 | /* File access stuff (WinCE 2.11 is really damaged) */ | 
| 49 | #include <windows.h> | 
| 50 | #include <winbase.h> | 
| 51 | typedef HANDLE cst_file; | 
| 52 | #elif __palmos__ | 
| 53 | #include <PalmOS.h> | 
| 54 | #include <System/StdIOPalm.h> | 
| 55 | typedef FILE * cst_file; | 
| 56 | #else | 
| 57 | #include <stdio.h> | 
| 58 | typedef FILE * cst_file; | 
| 59 | #endif | 
| 60 |  | 
| 61 | /* File mapping stuff */ | 
| 62 | #ifdef _WIN32 | 
| 63 | #include <windows.h> | 
| 64 | typedef struct cst_filemap_struct { | 
| 65 |     void *mem; | 
| 66 |     cst_file fh; | 
| 67 |     size_t mapsize; | 
| 68 |     HANDLE h; | 
| 69 | } cst_filemap; | 
| 70 | #elif __palmos__ | 
| 71 | typedef struct cst_filemap_struct { | 
| 72 |     void *mem; | 
| 73 |     cst_file fh; | 
| 74 |     unsigned int mapsize; | 
| 75 |     int fd; | 
| 76 | } cst_filemap; | 
| 77 | #else | 
| 78 | typedef struct cst_filemap_struct { | 
| 79 |     void *mem; | 
| 80 |     cst_file fh; | 
| 81 |     size_t mapsize; | 
| 82 |     int fd; | 
| 83 | } cst_filemap; | 
| 84 | #endif | 
| 85 |  | 
| 86 | #define CST_OPEN_WRITE (1<<0) | 
| 87 | #define CST_OPEN_READ (1<<1) | 
| 88 | #define CST_OPEN_APPEND (1<<2) | 
| 89 | /* We actually ignore this -- files are always opened in in binary mode */ | 
| 90 | #define CST_OPEN_BINARY (1<<3) | 
| 91 |  | 
| 92 | #define CST_SEEK_ABSOLUTE 0 | 
| 93 | #define CST_SEEK_RELATIVE 1 | 
| 94 | #define CST_SEEK_ENDREL 2 | 
| 95 |  | 
| 96 | cst_file cst_fopen(const char *path, int mode); | 
| 97 | long cst_fwrite(cst_file fh, const void *buf, long size, long count); | 
| 98 | long cst_fread(cst_file fh, void *buf, long size, long count); | 
| 99 | int cst_fprintf(cst_file fh, const char *fmt, ...); | 
| 100 | int cst_sprintf(char *s, const char *fmt, ...); | 
| 101 | #ifdef _WIN32 | 
| 102 | #define snprintf c99_snprintf | 
| 103 |  | 
| 104 | __inline int c99_vsnprintf(char* str, size_t size, const char* format, | 
| 105 | va_list ap)  { | 
| 106 |        int count = -1; | 
| 107 |        if (size != 0) | 
| 108 |            count = _vsnprintf_s(str, size, _TRUNCATE, format, ap); | 
| 109 |        if (count == -1) | 
| 110 |            count = _vscprintf(format, ap); | 
| 111 |        return count; | 
| 112 |    } | 
| 113 | __inline int c99_snprintf(char* str, size_t size, const char* format, ...) | 
| 114 | { | 
| 115 |        int count; | 
| 116 |        va_list ap; | 
| 117 |  | 
| 118 |        va_start(ap, format); | 
| 119 |        count = c99_vsnprintf(str, size, format, ap); | 
| 120 |        va_end(ap); | 
| 121 |        return count; | 
| 122 |    } | 
| 123 | #endif | 
| 124 | #define cst_snprintf snprintf | 
| 125 |  | 
| 126 | #if defined(__palmos__) | 
| 127 | #include <stdarg.h> | 
| 128 | int cst_vsprintf(char *s, const char *fmt, va_list args); | 
| 129 | #endif | 
| 130 | int cst_fclose(cst_file fh); | 
| 131 | int cst_fgetc(cst_file fh); | 
| 132 |  | 
| 133 | /* These aren't LFS-compliant.  I don't think we'll need >2G files. */ | 
| 134 | long cst_ftell(cst_file fh); | 
| 135 | long cst_fseek(cst_file fh, long pos, int whence); | 
| 136 | long cst_filesize(cst_file fh); | 
| 137 |  | 
| 138 | cst_filemap *cst_mmap_file(const char *path); | 
| 139 | int cst_munmap_file(cst_filemap *map); | 
| 140 |  | 
| 141 | cst_filemap *cst_read_whole_file(const char *path); | 
| 142 | int cst_free_whole_file(cst_filemap *map); | 
| 143 |  | 
| 144 | cst_filemap *cst_read_part_file(const char *path); | 
| 145 | int cst_free_part_file(cst_filemap *map); | 
| 146 |  | 
| 147 | int cst_urlp(const char *url); | 
| 148 | cst_file cst_url_open(const char *url); | 
| 149 |  | 
| 150 | #endif | 
| 151 |  |