Geant4 Cross Reference |
1 /* gzguts.h -- zlib internal header definition 1 2 * Copyright (C) 2004-2019 Mark Adler 3 * For conditions of distribution and use, see 4 */ 5 6 #ifdef _LARGEFILE64_SOURCE 7 # ifndef _LARGEFILE_SOURCE 8 # define _LARGEFILE_SOURCE 1 9 # endif 10 # ifdef _FILE_OFFSET_BITS 11 # undef _FILE_OFFSET_BITS 12 # endif 13 #endif 14 15 #ifdef HAVE_HIDDEN 16 # define ZLIB_INTERNAL __attribute__((visibil 17 #else 18 # define ZLIB_INTERNAL 19 #endif 20 21 #include <stdio.h> 22 #include "zlib.h" 23 #ifdef STDC 24 # include <string.h> 25 # include <stdlib.h> 26 # include <limits.h> 27 #endif 28 29 #ifndef _POSIX_SOURCE 30 # define _POSIX_SOURCE 31 #endif 32 #include <fcntl.h> 33 34 #ifdef _WIN32 35 # include <stddef.h> 36 #endif 37 38 #if defined(__TURBOC__) || defined(_MSC_VER) | 39 # include <io.h> 40 #endif 41 42 #if defined(_WIN32) 43 # define WIDECHAR 44 #endif 45 46 #ifdef WINAPI_FAMILY 47 # define open _open 48 # define read _read 49 # define write _write 50 # define close _close 51 #endif 52 53 #ifdef NO_DEFLATE /* for compatibility w 54 # define NO_GZCOMPRESS 55 #endif 56 57 #if defined(STDC99) || (defined(__TURBOC__) && 58 # ifndef HAVE_VSNPRINTF 59 # define HAVE_VSNPRINTF 60 # endif 61 #endif 62 63 #if defined(__CYGWIN__) 64 # ifndef HAVE_VSNPRINTF 65 # define HAVE_VSNPRINTF 66 # endif 67 #endif 68 69 #if defined(MSDOS) && defined(__BORLANDC__) && 70 # ifndef HAVE_VSNPRINTF 71 # define HAVE_VSNPRINTF 72 # endif 73 #endif 74 75 #ifndef HAVE_VSNPRINTF 76 # ifdef MSDOS 77 /* vsnprintf may exist on some MS-DOS compiler 78 but for now we just assume it doesn't. */ 79 # define NO_vsnprintf 80 # endif 81 # ifdef __TURBOC__ 82 # define NO_vsnprintf 83 # endif 84 # ifdef WIN32 85 /* In Win32, vsnprintf is available as the "no 86 # if !defined(vsnprintf) && !defined(NO_vsn 87 # if !defined(_MSC_VER) || ( defined(_MSC 88 # define vsnprintf _vsnprintf 89 # endif 90 # endif 91 # endif 92 # ifdef __SASC 93 # define NO_vsnprintf 94 # endif 95 # ifdef VMS 96 # define NO_vsnprintf 97 # endif 98 # ifdef __OS400__ 99 # define NO_vsnprintf 100 # endif 101 # ifdef __MVS__ 102 # define NO_vsnprintf 103 # endif 104 #endif 105 106 /* unlike snprintf (which is required in C99), 107 null termination of the result -- however t 108 the result is assured to fit in the space p 109 #if defined(_MSC_VER) && _MSC_VER < 1900 110 # define snprintf _snprintf 111 #endif 112 113 #ifndef local 114 # define local static 115 #endif 116 /* since "static" is used to mean two complete 117 define "local" for the non-static meaning o 118 (compile with -Dlocal if your debugger can' 119 120 /* gz* functions always use library allocation 121 #ifndef STDC 122 extern voidp malloc OF((uInt size)); 123 extern void free OF((voidpf ptr)); 124 #endif 125 126 /* get errno and strerror definition */ 127 #if defined UNDER_CE 128 # include <windows.h> 129 # define zstrerror() gz_strwinerror((DWORD)Ge 130 #else 131 # ifndef NO_STRERROR 132 # include <errno.h> 133 # define zstrerror() strerror(errno) 134 # else 135 # define zstrerror() "stdio error (consult 136 # endif 137 #endif 138 139 /* provide prototypes for these when building 140 #if !defined(_LARGEFILE64_SOURCE) || _LFS64_LA 141 ZEXTERN gzFile ZEXPORT gzopen64 OF((const 142 ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzF 143 ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzF 144 ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((g 145 #endif 146 147 /* default memLevel */ 148 #if MAX_MEM_LEVEL >= 8 149 # define DEF_MEM_LEVEL 8 150 #else 151 # define DEF_MEM_LEVEL MAX_MEM_LEVEL 152 #endif 153 154 /* default i/o buffer size -- double this for 155 twice this must be able to fit in an unsign 156 #define GZBUFSIZE 8192 157 158 /* gzip modes, also provide a little integrity 159 #define GZ_NONE 0 160 #define GZ_READ 7247 161 #define GZ_WRITE 31153 162 #define GZ_APPEND 1 /* mode set to GZ_WRIT 163 164 /* values for gz_state how */ 165 #define LOOK 0 /* look for a gzip header 166 #define COPY 1 /* copy input directly */ 167 #define GZIP 2 /* decompress a gzip strea 168 169 /* internal gzip file state data structure */ 170 typedef struct { 171 /* exposed contents for gzgetc() macro 172 struct gzFile_s x; /* "x" for exposed 173 /* x.have: number 174 /* x.next: next ou 175 /* x.pos: current 176 /* used for both reading and writing * 177 int mode; /* see gzip modes 178 int fd; /* file descriptor 179 char *path; /* path or fd for 180 unsigned size; /* buffer size, ze 181 unsigned want; /* requested buffe 182 unsigned char *in; /* input buffer (d 183 unsigned char *out; /* output buffer ( 184 int direct; /* 0 if processing 185 /* just for reading */ 186 int how; /* 0: get header, 187 z_off64_t start; /* where the gzip 188 int eof; /* true if end of 189 int past; /* true if read re 190 /* just for writing */ 191 int level; /* compression lev 192 int strategy; /* compression str 193 int reset; /* true if a reset 194 /* seek request */ 195 z_off64_t skip; /* amount to skip 196 int seek; /* true if seek re 197 /* error information */ 198 int err; /* error code */ 199 char *msg; /* error message * 200 /* zlib inflate or deflate stream */ 201 z_stream strm; /* stream structur 202 } gz_state; 203 typedef gz_state FAR *gz_statep; 204 205 /* shared functions */ 206 void ZLIB_INTERNAL gz_error OF((gz_statep, int 207 #if defined UNDER_CE 208 char ZLIB_INTERNAL *gz_strwinerror OF((DWORD e 209 #endif 210 211 /* GT_OFF(x), where x is an unsigned value, is 212 value -- needed when comparing unsigned to 213 (possible z_off64_t types off_t, off64_t, a 214 #ifdef INT_MAX 215 # define GT_OFF(x) (sizeof(int) == sizeof(z_o 216 #else 217 unsigned ZLIB_INTERNAL gz_intmax OF((void)); 218 # define GT_OFF(x) (sizeof(int) == sizeof(z_o 219 #endif 220