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 /*** typedefs(not structures) and defined constants **********************************************/
  25
  26 /* The O_BINARY definition was taken from gettext */
  27 #if !defined O_BINARY && defined _O_BINARY
  28   /* For MSC-compatible compilers.  */
  29 #define O_BINARY _O_BINARY
  30 #endif
  31 #ifdef __BEOS__
  32   /* BeOS 5 has O_BINARY, but is has no effect.  */
  33 #undef O_BINARY
  34 #endif
  35 /* On reasonable systems, binary I/O is the default.  */
  36 #ifndef O_BINARY
  37 #define O_BINARY 0
  38 #endif
  39
  40 /* Replacement for O_NONBLOCK */
  41 #ifndef O_NONBLOCK
  42 #ifdef O_NDELAY                 /* SYSV */
  43 #define O_NONBLOCK O_NDELAY
  44 #else /* BSD */
  45 #define O_NONBLOCK FNDELAY
  46 #endif /* !O_NDELAY */
  47 #endif /* !O_NONBLOCK */
  48
  49 #ifdef HAVE_SYS_SELECT_H
  50 #include <sys/select.h>
  51 #endif
  52
  53 #if defined(__QNX__) && !defined(__QNXNTO__)
  54 /* exec*() from <process.h> */
  55 #include <unix.h>
  56 #endif
  57
  58 #include <glib.h>
  59 #include "glibcompat.h"
  60
  61 #ifndef __GNUC__
  62 #define __attribute__(x)
  63 #endif
  64
  65 /* Solaris9 doesn't have PRIXMAX */
  66 #ifndef PRIXMAX
  67 #define PRIXMAX PRIxMAX
  68 #endif
  69
  70 #ifdef ENABLE_NLS
  71 #include <libintl.h>
  72 #define _(String) gettext (String)
  73 #ifdef gettext_noop
  74 #define N_(String) gettext_noop (String)
  75 #else
  76 #define N_(String) (String)
  77 #endif
  78 #else /* Stubs that do something close enough.  */
  79 #define textdomain(String) 1
  80 #define gettext(String) (String)
  81 #define ngettext(String1,String2,Num) (((Num) == 1) ? (String1) : (String2))
  82 #define dgettext(Domain,Message) (Message)
  83 #define dcgettext(Domain,Message,Type) (Message)
  84 #define bindtextdomain(Domain,Directory) 1
  85 #define _(String) (String)
  86 #define N_(String) (String)
  87 #endif /* !ENABLE_NLS */
  88
  89 #include "fs.h"
  90
  91 #ifdef USE_MAINTAINER_MODE
  92 #include "lib/logging.h"
  93 #endif
  94
  95 #ifdef min
  96 #undef min
  97 #endif
  98
  99 #ifdef max
 100 #undef max
 101 #endif
 102
 103 #define min(x, y) ((x) > (y) ? (y) : (x))
 104 #define max(x, y) ((x) > (y) ? (x) : (y))
 105
 106 /* Just for keeping Your's brains from invention a proper size of the buffer :-) */
 107 #define BUF_10K 10240L
 108 #define BUF_8K  8192L
 109 #define BUF_4K  4096L
 110 #define BUF_1K  1024L
 111
 112 #define BUF_LARGE  BUF_1K
 113 #define BUF_MEDIUM 512
 114 #define BUF_SMALL 128
 115 #define BUF_TINY 64
 116
 117 /* AIX compiler doesn't understand '\e' */
 118 #define ESC_CHAR '\033'
 119 #define ESC_STR  "\033"
 120
 121 /* OS specific defines */
 122 #define PATH_SEP '/'
 123 #define PATH_SEP_STR "/"
 124 #define PATH_ENV_SEP ':'
 125 #define TMPDIR_DEFAULT "/tmp"
 126 #define SCRIPT_SUFFIX ""
 127 #define get_default_editor() "vi"
 128 #define OS_SORT_CASE_SENSITIVE_DEFAULT 1
 129 #define UTF8_CHAR_LEN 6
 130
 131 /* C++ style type casts */
 132 #define const_cast(m_type, m_expr) ((m_type) (m_expr))
 133
 134 #if 0
 135 #ifdef MC_ENABLE_DEBUGGING_CODE
 136 #undef NDEBUG
 137 #else
 138 #define NDEBUG
 139 #endif
 140 #ifdef HAVE_ASSERT_H
 141 #include <assert.h>
 142 #endif
 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     mc_run_mode_t mc_run_mode;
 163     /* Used so that widgets know if they are being destroyed or shut down */
 164     gboolean midnight_shutdown;
 165
 166     /* sysconfig_dir: Area for default settings from maintainers of distributuves
 167        default is /etc/mc or may be defined by MC_DATADIR */
 168     char *sysconfig_dir;
 169     /* share_data_dir: Area for default settings from developers */
 170     char *share_data_dir;
 171
 172 #ifdef HAVE_CHARSET
 173     /* Numbers of (file I/O) and (input/display) codepages. -1 if not selected */
 174     int source_codepage;
 175     int display_codepage;
 176 #else
 177     /* If true, allow characters in the range 160-255 */
 178     int eight_bit_clean;
 179     /*
 180      * If true, also allow characters in the range 128-159.
 181      * This is reported to break on many terminals (xterm, qansi-m).
 182      */
 183     int full_eight_bits;
 184 #endif                          /* !HAVE_CHARSET */
 185     /*
 186      * If utf-8 terminal utf8_display = TRUE
 187      * Display bits set UTF-8
 188      */
 189     gboolean utf8_display;
 190
 191     /* Set if the nice message (hint) bar is visible */
 192     int message_visible;
 193     /* Set if the nice and useful keybar is visible */
 194     int keybar_visible;
 195
 196 #ifdef ENABLE_BACKGROUND
 197     /* If true, this is a background process */
 198     gboolean we_are_background;
 199 #endif                          /* ENABLE_BACKGROUND */
 200
 201     struct
 202     {
 203         /* Asks for confirmation before clean up of history */
 204         gboolean confirm_history_cleanup;
 205
 206         /* Set if you want the possible completions dialog for the first time */
 207         gboolean show_all_if_ambiguous;
 208
 209         /* Ugly hack in order to distinguish between left and right panel in menubar */
 210         /* Set if the command is being run from the "Right" menu */
 211         gboolean is_right;          /* If the selected menu was the right */
 212     } widget;
 213
 214     struct
 215     {
 216         /* Use the specified skin */
 217         char *skin;
 218
 219         char *setup_color_string;
 220         char *term_color_string;
 221         char *color_terminal_string;
 222         /* colors specified on the command line: they override any other setting */
 223         char *command_line_colors;
 224
 225 #ifndef LINUX_CONS_SAVER_C
 226         /* Used only in mc, not in cons.saver */
 227         char console_flag;
 228 #endif                          /* !LINUX_CONS_SAVER_C */
 229         /* If using a subshell for evaluating commands this is true */
 230         gboolean use_subshell;
 231 #ifdef HAVE_SUBSHELL_SUPPORT
 232         /* File descriptors of the pseudoterminal used by the subshell */
 233         int subshell_pty;
 234 #endif                          /* !HAVE_SUBSHELL_SUPPORT */
 235
 236         /* This flag is set by xterm detection routine in function main() */
 237         /* It is used by function view_other_cmd() */
 238         gboolean xterm_flag;
 239
 240         /* disable x11 support */
 241         gboolean disable_x11;
 242
 243         /* For slow terminals */
 244         /* If true lines are shown by spaces */
 245         gboolean slow_terminal;
 246
 247         /* Set to force black and white display at program startup */
 248         gboolean disable_colors;
 249
 250         /* If true use +, -, | for line drawing */
 251         gboolean ugly_line_drawing;
 252
 253         /* Tries to use old highlight mouse tracking */
 254         gboolean old_mouse;
 255
 256         /* If true, use + and \ keys normally and select/unselect do if M-+ / M-\.
 257            and M-- and keypad + / - */
 258         gboolean alternate_plus_minus;
 259
 260         /* Set if the window has changed it's size */
 261         gboolean winch_flag;
 262     } tty;
 263
 264     struct
 265     {
 266         /* Set when cd symlink following is desirable (bash mode) */
 267         gboolean cd_symlinks;
 268
 269         /* Preallocate space before file copying */
 270         gboolean preallocate_space;
 271
 272     } vfs;
 273 } mc_global_t;
 274
 275 /*** global variables defined in .c file *********************************************************/
 276
 277 extern mc_global_t mc_global;
 278
 279 /*** declarations of public functions ************************************************************/
 280
 281 void refresh_screen (void *);
 282
 283 /*** inline functions ****************************************************************************/
 284 #endif