| 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 | |