273 lines
12 KiB
C
273 lines
12 KiB
C
/*
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* Copyright (C) 1997-2000, Michael Jennings
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _OPTIONS_H_
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#define _OPTIONS_H_
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#include <X11/Xfuncproto.h>
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#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
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/************ Macros and Definitions ************/
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#if defined(PATH_MAX) && (PATH_MAX < 255)
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# undef PATH_MAX
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#endif
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#ifndef PATH_MAX
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# define PATH_MAX 255
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#endif
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#define CONF_BEGIN_CHAR ((char) 1)
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#define CONF_END_CHAR ((char) 2)
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#define PARSE_TRY_USER_THEME ((unsigned char) 0x01)
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#define PARSE_TRY_DEFAULT_THEME ((unsigned char) 0x02)
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#define PARSE_TRY_NO_THEME ((unsigned char) 0x04)
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#define PARSE_TRY_ALL ((unsigned char) 0x07)
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#define OPT_BOOLEAN 0x0001
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#define OPT_INTEGER 0x0002
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#define OPT_STRING 0x0004
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#define OPT_ARGUMENT 0x0008
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#define OPT_STR(s, l, d, p) { s, l, "(str) " d, OPT_STRING, (const char **) p, 0, 0 }
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#define OPT_INT(s, l, d, p) { s, l, "(int) " d, OPT_INTEGER, (const int *) p, 0, 0 }
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#define OPT_BOOL(s, l, d, v, m) { s, l, "(bool) " d, OPT_BOOLEAN, NULL, v, m }
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#define OPT_LONG(l, d, p) { 0, l, "(str) " d, OPT_STRING, (const char **) p, 0, 0 }
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#define OPT_ARGS(s, l, d, p) { s, l, "(str) " d, OPT_ARGUMENT, (const char ***) p, 0, 0 }
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#define OPT_BLONG(l, d, v, m) { 0, l, "(bool) " d, OPT_BOOLEAN, NULL, v, m }
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#define OPT_ILONG(l, d, p) { 0, l, "(int) " d, OPT_INTEGER, (const int *) p, 0, 0 }
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#define optList_numoptions() (sizeof(optList)/sizeof(optList[0]))
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# define Opt_console (1LU << 0)
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# define Opt_loginShell (1LU << 1)
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# define Opt_iconic (1LU << 2)
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# define Opt_visualBell (1LU << 3)
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# define Opt_mapAlert (1LU << 4)
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# define Opt_reverseVideo (1LU << 5)
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# define Opt_utmpLogging (1LU << 6)
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# define Opt_scrollbar (1LU << 7)
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# define Opt_meta8 (1LU << 8)
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# define Opt_home_on_output (1LU << 9)
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# define Opt_scrollbar_right (1LU << 10)
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# define Opt_borderless (1LU << 11)
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# define Opt_backing_store (1LU << 12)
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# define Opt_noCursor (1LU << 13)
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# define Opt_pause (1LU << 14)
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# define Opt_home_on_input (1LU << 15)
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# define Opt_report_as_keysyms (1LU << 16)
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# define Opt_xterm_select (1LU << 17)
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# define Opt_select_whole_line (1LU << 18)
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# define Opt_scrollbar_popup (1LU << 19)
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# define Opt_select_trailing_spaces (1LU << 20)
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# define Opt_install (1LU << 21)
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# define Opt_scrollbar_floating (1LU << 22)
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# define Opt_double_buffer (1LU << 23)
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# define Opt_no_input (1LU << 24)
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# define IMOPT_TRANS (1U << 0)
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# define IMOPT_ITRANS (1U << 1)
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# define IMOPT_VIEWPORT (1U << 2)
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# define BBAR_FORCE_TOGGLE (0x03)
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# define SAVE_THEME_CONFIG ((unsigned char) 1)
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# define SAVE_USER_CONFIG ((unsigned char) 0)
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#define BOOL_OPT_ISTRUE(s) (!strcasecmp((s), true_vals[0]) || !strcasecmp((s), true_vals[1]) \
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|| !strcasecmp((s), true_vals[2]) || !strcasecmp((s), true_vals[3]))
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#define BOOL_OPT_ISFALSE(s) (!strcasecmp((s), false_vals[0]) || !strcasecmp((s), false_vals[1]) \
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|| !strcasecmp((s), false_vals[2]) || !strcasecmp((s), false_vals[3]))
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/* This defines how many mistakes to allow before giving up
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and printing the usage -- mej */
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#define BAD_THRESHOLD 3
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#define CHECK_BAD() do { \
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if (++bad_opts >= BAD_THRESHOLD) { \
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print_error("Error threshold exceeded, giving up."); \
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usage(); \
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} else { \
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print_error("Attempting to continue, but strange things may happen."); \
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} \
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} while(0)
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/* The context table */
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#define ctx_name_to_id(the_id, n, i) do { \
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for ((i)=0; (i) <= ctx_idx; (i)++) { \
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if (!strcasecmp((n), context[(i)].name)) { \
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(the_id) = (i); \
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break; \
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} \
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} \
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if ((i) > ctx_idx) (the_id) = 0; \
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} while (0)
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#define ctx_id_to_name(id) (context[(id)].name)
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#define ctx_id_to_func(id) (context[(id)].handler)
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/* The context state stack. This keeps track of the current context and each previous one. */
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#define ctx_push(ctx) conf_register_context_state(ctx)
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#define ctx_pop() (ctx_state_idx--)
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#define ctx_peek() (ctx_state[ctx_state_idx])
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#define ctx_peek_id() (ctx_state[ctx_state_idx].ctx_id)
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#define ctx_peek_state() (ctx_state[ctx_state_idx].state)
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#define ctx_peek_last_id() (ctx_state[(ctx_state_idx?ctx_state_idx-1:0)].ctx_id)
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#define ctx_peek_last_state() (ctx_state[(ctx_state_idx?ctx_state_idx-1:0)].state)
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#define ctx_poke_state(q) ((ctx_state[ctx_state_idx].state) = (q))
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#define ctx_get_depth() (ctx_state_idx)
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/* The file state stack */
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#define FILE_SKIP_TO_END (0x01)
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#define FILE_PREPROC (0x02)
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#define file_push(f, p, o, l, fl) conf_register_fstate(f, p, o, l, fl)
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#define file_pop() (fstate_idx--)
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#define file_peek() (fstate[fstate_idx])
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#define file_peek_fp() (fstate[fstate_idx].fp)
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#define file_peek_path() (fstate[fstate_idx].path)
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#define file_peek_outfile() (fstate[fstate_idx].outfile)
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#define file_peek_line() (fstate[fstate_idx].line)
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#define file_peek_skip() (fstate[fstate_idx].flags & FILE_SKIP_TO_END)
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#define file_peek_preproc() (fstate[fstate_idx].flags & FILE_PREPROC)
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#define file_poke_fp(f) ((fstate[fstate_idx].fp) = (f))
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#define file_poke_path(p) ((fstate[fstate_idx].path) = (p))
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#define file_poke_outfile(o) ((fstate[fstate_idx].outfile) = (o))
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#define file_poke_line(l) ((fstate[fstate_idx].line) = (l))
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#define file_skip_to_end() ((fstate[fstate_idx].flags) |= (FILE_SKIP_TO_END))
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#define file_poke_skip(s) do {if (s) {fstate[fstate_idx].flags |= FILE_SKIP_TO_END;} else {fstate[fstate_idx].flags &= ~(FILE_SKIP_TO_END);} } while (0)
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#define file_poke_preproc(s) do {if (s) {fstate[fstate_idx].flags |= FILE_PREPROC;} else {fstate[fstate_idx].flags &= ~(FILE_PREPROC);} } while (0)
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#define file_poke(f, p, o, l, fl) do {file_poke_fp(f); file_poke_path(p); file_poke_outfile(o); file_poke_line(l); fstate[fstate_idx].flags = (fl);} while (0)
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#define file_inc_line() (fstate[fstate_idx].line++)
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#define to_keysym(p,s) do { KeySym sym; \
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if (s && ((sym = XStringToKeysym(s)) != 0)) *p = sym; \
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} while (0)
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#define RESET_AND_ASSIGN(var, val) do {if ((var) != NULL) FREE(var); (var) = (val);} while (0)
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/************ Structures ************/
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/* Contexts */
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typedef void * (*ctx_handler_t)(char *, void *);
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typedef struct context_struct {
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char *name;
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ctx_handler_t handler;
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} ctx_t;
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typedef struct ctx_state_struct {
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unsigned char ctx_id;
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void *state;
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} ctx_state_t;
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/* Parser states */
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typedef struct file_state_struct {
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FILE *fp;
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char *path, *outfile;
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unsigned long line;
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unsigned char flags;
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} fstate_t;
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/* Built-in functions */
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typedef char * (*eterm_func_ptr_t) (char *);
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typedef struct eterm_func_struct {
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char *name;
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eterm_func_ptr_t ptr;
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} eterm_func_t;
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typedef struct conf_var_struct {
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char *var, *value;
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struct conf_var_struct *next;
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} conf_var_t;
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/************ Variables ************/
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extern fstate_t *fstate;
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extern unsigned char fstate_idx;
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extern unsigned long Options, image_toggles;
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extern char *theme_dir, *user_dir;
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extern char **rs_execArgs; /* Args to exec (-e or --exec) */
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extern char *rs_title; /* Window title */
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extern char *rs_iconName; /* Icon name */
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extern char *rs_geometry; /* Geometry string */
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extern int rs_desktop; /* Startup desktop */
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extern int rs_saveLines; /* Lines in the scrollback buffer */
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extern unsigned short rs_min_anchor_size; /* Minimum size, in pixels, of the scrollbar anchor */
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extern char *rs_term_name;
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extern char *rs_icon;
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extern char *rs_scrollbar_type;
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extern unsigned long rs_scrollbar_width;
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extern char *rs_scrollbar_type;
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extern char *rs_anim_pixmap_list;
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extern char **rs_anim_pixmaps;
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extern time_t rs_anim_delay;
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extern char *rs_path;
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extern char *rs_noCursor;
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#ifdef USE_XIM
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extern char *rs_input_method;
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extern char *rs_preedit_type;
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#endif
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extern char *rs_name;
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extern char *rs_theme;
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extern char *rs_config_file;
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extern unsigned int rs_line_space;
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extern unsigned int rs_meta_mod, rs_alt_mod, rs_numlock_mod;
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#ifndef NO_BOLDFONT
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extern char *rs_boldFont;
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#endif
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#ifdef PRINTPIPE
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extern char *rs_print_pipe;
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#endif
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extern char *rs_cutchars;
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#ifdef CUTCHAR_OPTION
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extern char *rs_cutchars;
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#endif
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extern const char *true_vals[];
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extern const char *false_vals[];
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#ifdef KEYSYM_ATTRIBUTE
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extern unsigned char *KeySym_map[256];
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#endif
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#if defined (HOTKEY_CTRL) || defined (HOTKEY_META)
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extern KeySym ks_bigfont;
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extern KeySym ks_smallfont;
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#endif
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/************ Function Prototypes ************/
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_XFUNCPROTOBEGIN
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unsigned long NumWords(const char *str);
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extern void get_initial_options(int, char **);
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extern void get_options(int, char **);
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extern void conf_init_subsystem(void);
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extern unsigned char conf_register_context(char *name, ctx_handler_t handler);
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extern unsigned char conf_register_fstate(FILE *fp, char *path, char *outfile, unsigned long line, unsigned char flags);
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extern unsigned char conf_register_builtin(char *name, eterm_func_ptr_t ptr);
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extern unsigned char conf_register_context_state(unsigned char ctx_id);
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extern char *chomp(char *);
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extern char *shell_expand(char *);
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extern char *conf_find_file(const char *file, const char *dir, const char *pathlist);
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extern FILE *open_config_file(char *name);
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extern char *conf_parse(char *conf_name, const char *dir, const char *path);
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extern char *conf_parse_theme(char **theme, char *conf_name, unsigned char fallback);
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extern void init_defaults(void);
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extern void post_parse(void);
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unsigned char save_config(char *, unsigned char);
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_XFUNCPROTOEND
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#endif /* _OPTIONS_H_ */
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