lib/global.h

   1 /** \file global.h
   2  *  \brief Header: %global definitions for compatibility
   3  *
   4  *  This file should be included after all system includes and before all local includes.
   5  */
   6
   7 #ifndef MC_GLOBAL_H
   8 #define MC_GLOBAL_H
   9
  10 #if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
  11 #include <string.h>
  12    /* An ANSI string.h and pre-ANSI memory.h might conflict */
  13 #if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
  14 #include <memory.h>
  15 #endif /* !STDC_HEADERS & HAVE_MEMORY_H */
  16
  17 #else /* !STDC_HEADERS & !HAVE_STRING_H */
  18 #include <strings.h>
  19     /* memory and strings.h conflict on other systems */
  20 #endif /* !STDC_HEADERS & !HAVE_STRING_H */
  21
  22 #ifdef HAVE_SYS_PARAM_H
  23 #include <sys/param.h>
  24 #endif
  25
  26 /*** typedefs(not structures) and defined constants **********************************************/
  27
  28 /* The O_BINARY definition was taken from gettext */
  29 #if !defined O_BINARY && defined _O_BINARY
  30   /* For MSC-compatible compilers.  */
  31 #define O_BINARY _O_BINARY
  32 #endif
  33 #ifdef __BEOS__
  34   /* BeOS 5 has O_BINARY, but is has no effect.  */
  35 #undef O_BINARY
  36 #endif
  37 /* On reasonable systems, binary I/O is the default.  */
  38 #ifndef O_BINARY
  39 #define O_BINARY 0
  40 #endif
  41
  42 /* Replacement for O_NONBLOCK */
  43 #ifndef O_NONBLOCK
  44 #ifdef O_NDELAY                 /* SYSV */
  45 #define O_NONBLOCK O_NDELAY
  46 #else /* BSD */
  47 #define O_NONBLOCK FNDELAY
  48 #endif /* !O_NDELAY */
  49 #endif /* !O_NONBLOCK */
  50
  51 #ifdef HAVE_SYS_SELECT_H
  52 #include <sys/select.h>
  53 #endif
  54
  55 #if defined(__QNX__) && !defined(__QNXNTO__)
  56 /* exec*() from <process.h> */
  57 #include <unix.h>
  58 #endif
  59
  60 #include <glib.h>
  61 #include "glibcompat.h"
  62
  63 #ifndef __GNUC__
  64 #define __attribute__(x)
  65 #endif
  66
  67 /* Solaris9 doesn't have PRIXMAX */
  68 #ifndef PRIXMAX
  69 #define PRIXMAX PRIxMAX
  70 #endif
  71
  72 #ifdef ENABLE_NLS
  73 #include <libintl.h>
  74 #define _(String) gettext (String)
  75 #ifdef gettext_noop
  76 #define N_(String) gettext_noop (String)
  77 #else
  78 #define N_(String) (String)
  79 #endif
  80 #else /* Stubs that do something close enough.  */
  81 #define textdomain(String) 1
  82 #define gettext(String) (String)
  83 #define ngettext(String1,String2,Num) (((Num) == 1) ? (String1) : (String2))
  84 #define dgettext(Domain,Message) (Message)
  85 #define dcgettext(Domain,Message,Type) (Message)
  86 #define bindtextdomain(Domain,Directory) 1
  87 #define _(String) (String)
  88 #define N_(String) (String)
  89 #endif /* !ENABLE_NLS */
  90
  91 #include "fs.h"
  92
  93 #ifdef USE_MAINTAINER_MODE
  94 #include "lib/logging.h"
  95 #endif
  96
  97 #ifdef min
  98 #undef min
  99 #endif
 100
 101 #ifdef max
 102 #undef max
 103 #endif
 104
 105 #define min(x, y) ((x) > (y) ? (y) : (x))
 106 #define max(x, y) ((x) > (y) ? (x) : (y))
 107
 108 /* Just for keeping Your's brains from invention a proper size of the buffer :-) */
 109 #define BUF_10K 10240L
 110 #define BUF_8K  8192L
 111 #define BUF_4K  4096L
 112 #define BUF_1K  1024L
 113
 114 #define BUF_LARGE  BUF_1K
 115 #define BUF_MEDIUM 512
 116 #define BUF_SMALL 128
 117 #define BUF_TINY 64
 118
 119 /* AIX compiler doesn't understand '\e' */
 120 #define ESC_CHAR '\033'
 121 #define ESC_STR  "\033"
 122
 123 /* OS specific defines */
 124 #define PATH_SEP '/'
 125 #define PATH_SEP_STR "/"
 126 #define PATH_ENV_SEP ':'
 127 #define TMPDIR_DEFAULT "/tmp"
 128 #define SCRIPT_SUFFIX ""
 129 #define get_default_editor() "vi"
 130 #define OS_SORT_CASE_SENSITIVE_DEFAULT 1
 131 #define UTF8_CHAR_LEN 6
 132
 133 /* C++ style type casts */
 134 #define const_cast(m_type, m_expr) ((m_type) (m_expr))
 135
 136 #if 0
 137 #ifdef MC_ENABLE_DEBUGGING_CODE
 138 #undef NDEBUG
 139 #else
 140 #define NDEBUG
 141 #endif
 142 #include <assert.h>
 143 #endif
 144
 145 #define MC_ERROR g_quark_from_static_string (PACKAGE)
 146
 147 /*** enums ***************************************************************************************/
 148
 149 /* run mode and params */
 150 typedef enum
 151 {
 152     MC_RUN_FULL = 0,
 153     MC_RUN_EDITOR,
 154     MC_RUN_VIEWER,
 155     MC_RUN_DIFFVIEWER
 156 } mc_run_mode_t;
 157
 158 /*** structures declarations (and typedefs of structures)*****************************************/
 159
 160 typedef struct
 161 {
 162 #ifdef WITH_BACKGROUND
 163     /* If true, this is a background process */
 164     int we_are_background;
 165 #endif                          /* WITH_BACKGROUND */
 166
 167     /*
 168      * If utf-8 terminal utf8_display = 1
 169      * Display bits set UTF-8
 170      */
 171     int utf8_display;
 172
 173     /* Set if the nice message (hint) bar is visible */
 174     int message_visible;
 175
 176     /* Set if the nice and useful keybar is visible */
 177     int keybar_visible;
 178
 179     mc_run_mode_t mc_run_mode;
 180
 181 #ifdef HAVE_CHARSET
 182     /* Numbers of (file I/O) and (input/display) codepages. -1 if not selected */
 183     int source_codepage;
 184     int display_codepage;
 185 #else
 186     /* If true, allow characters in the range 160-255 */
 187     int eight_bit_clean;
 188     /*
 189      * If true, also allow characters in the range 128-159.
 190      * This is reported to break on many terminals (xterm, qansi-m).
 191      */
 192     int full_eight_bits;
 193 #endif                          /* !HAVE_CHARSET */
 194
 195     /* sysconfig_dir: Area for default settings from maintainers of distributuves
 196        default is /etc/mc or may be defined by MC_DATADIR
 197      */
 198     char *sysconfig_dir;
 199
 200     /* share_data_dir: Area for default settings from developers */
 201     char *share_data_dir;
 202
 203     /* Ugly hack in order to distinguish between left and right panel in menubar */
 204     /* Set if the command is being run from the "Right" menu */
 205     gboolean is_right;          /* If the selected menu was the right */
 206
 207     /* Use the specified skin */
 208     char *skin;
 209
 210     struct
 211     {
 212         /* Used so that widgets know if they are being destroyed or shut down */
 213         gboolean midnight_shutdown;
 214
 215         /* Asks for confirmation before clean up of history */
 216         gboolean confirm_history_cleanup;
 217
 218         /* Set if you want the possible completions dialog for the first time */
 219         gboolean show_all_if_ambiguous;
 220
 221     } widget;
 222
 223     struct
 224     {
 225         char *setup_color_string;
 226         char *term_color_string;
 227         char *color_terminal_string;
 228
 229         /* Set if the window has changed it's size */
 230         gboolean winch_flag;
 231
 232 #ifndef LINUX_CONS_SAVER_C
 233         /* Used only in mc, not in cons.saver */
 234         char console_flag;
 235 #endif                          /* !LINUX_CONS_SAVER_C */
 236         /* If using a subshell for evaluating commands this is true */
 237         gboolean use_subshell;
 238 #ifdef HAVE_SUBSHELL_SUPPORT
 239         /* File descriptors of the pseudoterminal used by the subshell */
 240         int subshell_pty;
 241 #endif                          /* !HAVE_SUBSHELL_SUPPORT */
 242
 243         /* colors specified on the command line: they override any other setting */
 244         char *command_line_colors;
 245
 246         /* This flag is set by xterm detection routine in function main() */
 247         /* It is used by function view_other_cmd() */
 248         gboolean xterm_flag;
 249
 250         /* For slow terminals */
 251         /* If true lines are shown by spaces */
 252         gboolean slow_terminal;
 253
 254         /* Set to force black and white display at program startup */
 255         gboolean disable_colors;
 256
 257         /* If true use +, -, | for line drawing */
 258         gboolean ugly_line_drawing;
 259
 260         /* Tries to use old highlight mouse tracking */
 261         gboolean old_mouse;
 262
 263         /* If true, use + and \ keys normally and select/unselect do if M-+ / M-\.
 264            and M-- and keypad + / - */
 265         gboolean alternate_plus_minus;
 266
 267     } tty;
 268
 269     struct
 270     {
 271         /* Set when cd symlink following is desirable (bash mode) */
 272         gboolean cd_symlinks;
 273
 274         /* Preallocate space before file copying */
 275         gboolean preallocate_space;
 276
 277     } vfs;
 278
 279 } mc_global_t;
 280
 281 /*** global variables defined in .c file *********************************************************/
 282
 283 extern mc_global_t mc_global;
 284
 285 /*** declarations of public functions ************************************************************/
 286
 287 void refresh_screen (void *);
 288
 289 /*** inline functions ****************************************************************************/
 290 #endif