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(HAVE_STRING_H)
  11 #include <string.h>
  12    /* An ANSI string.h and pre-ANSI memory.h might conflict */
  13 #elif defined(HAVE_MEMORY_H)
  14 #include <memory.h>
  15 #else
  16 #include <strings.h>
  17     /* memory and strings.h conflict on other systems */
  18 #endif /* !STDC_HEADERS & !HAVE_STRING_H */
  19
  20 #ifdef HAVE_SYS_PARAM_H
  21 #include <sys/param.h>
  22 #endif
  23
  24 /* for sig_atomic_t */
  25 #include <signal.h>
  26
  27 /*** typedefs(not structures) and defined constants **********************************************/
  28
  29 /* The O_BINARY definition was taken from gettext */
  30 #if !defined O_BINARY && defined _O_BINARY
  31   /* For MSC-compatible compilers.  */
  32 #define O_BINARY _O_BINARY
  33 #endif
  34 #ifdef __BEOS__
  35   /* BeOS 5 has O_BINARY, but is has no effect.  */
  36 #undef O_BINARY
  37 #endif
  38 /* On reasonable systems, binary I/O is the default.  */
  39 #ifndef O_BINARY
  40 #define O_BINARY 0
  41 #endif
  42
  43 /* Replacement for O_NONBLOCK */
  44 #ifndef O_NONBLOCK
  45 #ifdef O_NDELAY                 /* SYSV */
  46 #define O_NONBLOCK O_NDELAY
  47 #else /* BSD */
  48 #define O_NONBLOCK FNDELAY
  49 #endif /* !O_NDELAY */
  50 #endif /* !O_NONBLOCK */
  51
  52 #ifdef HAVE_SYS_SELECT_H
  53 #include <sys/select.h>
  54 #endif
  55
  56 #if defined(__QNX__) && !defined(__QNXNTO__)
  57 /* exec*() from <process.h> */
  58 #include <unix.h>
  59 #endif
  60
  61 #include <glib.h>
  62 #include "glibcompat.h"
  63
  64 #ifndef __GNUC__
  65 #define __attribute__(x)
  66 #endif
  67
  68 /* Solaris9 doesn't have PRIXMAX */
  69 #ifndef PRIXMAX
  70 #define PRIXMAX PRIxMAX
  71 #endif
  72
  73 #ifdef ENABLE_NLS
  74 #include <libintl.h>
  75 #define _(String) gettext (String)
  76 #ifdef gettext_noop
  77 #define N_(String) gettext_noop (String)
  78 #else
  79 #define N_(String) (String)
  80 #endif
  81 #else /* Stubs that do something close enough.  */
  82 #define textdomain(String) 1
  83 #define gettext(String) (String)
  84 #define ngettext(String1,String2,Num) (((Num) == 1) ? (String1) : (String2))
  85 #define dgettext(Domain,Message) (Message)
  86 #define dcgettext(Domain,Message,Type) (Message)
  87 #define bindtextdomain(Domain,Directory) 1
  88 #define _(String) (String)
  89 #define N_(String) (String)
  90 #endif /* !ENABLE_NLS */
  91
  92 #include "fs.h"
  93
  94 #ifdef USE_MAINTAINER_MODE
  95 #include "lib/logging.h"
  96 #endif
  97
  98 #ifdef min
  99 #undef min
 100 #endif
 101
 102 #ifdef max
 103 #undef max
 104 #endif
 105
 106 #define min(x, y) ((x) > (y) ? (y) : (x))
 107 #define max(x, y) ((x) > (y) ? (x) : (y))
 108
 109 /* Just for keeping Your's brains from invention a proper size of the buffer :-) */
 110 #define BUF_10K 10240L
 111 #define BUF_8K  8192L
 112 #define BUF_4K  4096L
 113 #define BUF_1K  1024L
 114
 115 #define BUF_LARGE  BUF_1K
 116 #define BUF_MEDIUM 512
 117 #define BUF_SMALL 128
 118 #define BUF_TINY 64
 119
 120 /* AIX compiler doesn't understand '\e' */
 121 #define ESC_CHAR '\033'
 122 #define ESC_STR  "\033"
 123
 124 /* OS specific defines */
 125 #define PATH_SEP '/'
 126 #define PATH_SEP_STR "/"
 127 #define PATH_ENV_SEP ':'
 128 #define TMPDIR_DEFAULT "/tmp"
 129 #define SCRIPT_SUFFIX ""
 130 #define get_default_editor() "vi"
 131 #define OS_SORT_CASE_SENSITIVE_DEFAULT 1
 132 #define UTF8_CHAR_LEN 6
 133
 134 /* Used to distinguish between a normal MC termination and */
 135 /* one caused by typing `exit' or `logout' in the subshell */
 136 #define SUBSHELL_EXIT 128
 137
 138 /* C++ style type casts */
 139 #define const_cast(m_type, m_expr) ((m_type) (m_expr))
 140
 141 #if 0
 142 #ifdef MC_ENABLE_DEBUGGING_CODE
 143 #undef NDEBUG
 144 #else
 145 #define NDEBUG
 146 #endif
 147 #ifdef HAVE_ASSERT_H
 148 #include <assert.h>
 149 #endif
 150 #endif
 151
 152 #define MC_ERROR g_quark_from_static_string (PACKAGE)
 153
 154 /*** enums ***************************************************************************************/
 155
 156 /* run mode and params */
 157 typedef enum
 158 {
 159     MC_RUN_FULL = 0,
 160     MC_RUN_EDITOR,
 161     MC_RUN_VIEWER,
 162     MC_RUN_DIFFVIEWER
 163 } mc_run_mode_t;
 164
 165 /*** structures declarations (and typedefs of structures)*****************************************/
 166
 167 typedef struct
 168 {
 169     mc_run_mode_t mc_run_mode;
 170     /* Used so that widgets know if they are being destroyed or shut down */
 171     gboolean midnight_shutdown;
 172
 173     /* sysconfig_dir: Area for default settings from maintainers of distributuves
 174        default is /etc/mc or may be defined by MC_DATADIR */
 175     char *sysconfig_dir;
 176     /* share_data_dir: Area for default settings from developers */
 177     char *share_data_dir;
 178
 179 #ifdef HAVE_CHARSET
 180     /* Numbers of (file I/O) and (input/display) codepages. -1 if not selected */
 181     int source_codepage;
 182     int display_codepage;
 183 #else
 184     /* If true, allow characters in the range 160-255 */
 185     int eight_bit_clean;
 186     /*
 187      * If true, also allow characters in the range 128-159.
 188      * This is reported to break on many terminals (xterm, qansi-m).
 189      */
 190     int full_eight_bits;
 191 #endif                          /* !HAVE_CHARSET */
 192     /*
 193      * If utf-8 terminal utf8_display = TRUE
 194      * Display bits set UTF-8
 195      */
 196     gboolean utf8_display;
 197
 198     /* Set if the nice message (hint) bar is visible */
 199     int message_visible;
 200     /* Set if the nice and useful keybar is visible */
 201     int keybar_visible;
 202
 203 #ifdef ENABLE_BACKGROUND
 204     /* If true, this is a background process */
 205     gboolean we_are_background;
 206 #endif                          /* ENABLE_BACKGROUND */
 207
 208     struct
 209     {
 210         /* Asks for confirmation before clean up of history */
 211         gboolean confirm_history_cleanup;
 212
 213         /* Set if you want the possible completions dialog for the first time */
 214         gboolean show_all_if_ambiguous;
 215
 216         /* Ugly hack in order to distinguish between left and right panel in menubar */
 217         /* Set if the command is being run from the "Right" menu */
 218         gboolean is_right;      /* If the selected menu was the right */
 219     } widget;
 220
 221     struct
 222     {
 223         /* Use the specified skin */
 224         char *skin;
 225
 226         char *setup_color_string;
 227         char *term_color_string;
 228         char *color_terminal_string;
 229         /* colors specified on the command line: they override any other setting */
 230         char *command_line_colors;
 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 ENABLE_SUBSHELL
 239         /* File descriptors of the pseudoterminal used by the subshell */
 240         int subshell_pty;
 241 #endif                          /* !ENABLE_SUBSHELL */
 242
 243         /* This flag is set by xterm detection routine in function main() */
 244         /* It is used by function view_other_cmd() */
 245         gboolean xterm_flag;
 246
 247         /* disable x11 support */
 248         gboolean disable_x11;
 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         /* Set if the window has changed it's size */
 268         volatile sig_atomic_t winch_flag;
 269     } tty;
 270
 271     struct
 272     {
 273         /* Set when cd symlink following is desirable (bash mode) */
 274         gboolean cd_symlinks;
 275
 276         /* Preallocate space before file copying */
 277         gboolean preallocate_space;
 278
 279     } vfs;
 280 } mc_global_t;
 281
 282 /*** global variables defined in .c file *********************************************************/
 283
 284 extern mc_global_t mc_global;
 285
 286 /*** declarations of public functions ************************************************************/
 287
 288 void refresh_screen (void *);
 289
 290 /*** inline functions ****************************************************************************/
 291 #endif