xref: /freebsd/contrib/less/funcs.h (revision dece5b05f577fc4c6b89af7ad48dfbdf7cc4945c)
1 public char * saven(constant char *s, size_t n);
2 public char * save(constant char *s);
3 public void out_of_memory(void);
4 public void * ecalloc(size_t count, size_t size);
5 public char * skipsp(char *s);
6 public constant char * skipspc(constant char *s);
7 public size_t sprefix(constant char *ps, constant char *s, int uppercase);
8 public void quit(int status);
9 public lbool secure_allow(unsigned int features);
10 public void raw_mode(lbool on);
11 public void scrsize(void);
12 public void screen_size_changed(void);
13 public constant char * special_key_str(int key);
14 public void init_win_colors(void);
15 public void get_term(void);
16 public void update_term(void);
17 public void init_mouse(void);
18 public void deinit_mouse(void);
19 public void suspend_screen(void);
20 public void resume_screen(void);
21 public void term_init(void);
22 public void term_deinit(void);
23 public lbool interactive(void);
24 public void home(void);
25 public void dump_screen(void);
26 public void add_line(void);
27 public void remove_top(int n);
28 public void win32_scroll_up(int n);
29 public void lower_left(void);
30 public void line_left(void);
31 public void check_winch(void);
32 public void goto_line(int sindex);
33 public void vbell(void);
34 public void lbell(void);
35 public void lclear(void);
36 public void clear_eol(void);
37 public void clear_bot(void);
38 public void init_bracketed_paste(void);
39 public void deinit_bracketed_paste(void);
40 public COLOR_TYPE parse_color(constant char *str, mutable int *p_fg, mutable int *p_bg, mutable CHAR_ATTR *p_cattr);
41 public void at_enter(int attr);
42 public void at_exit(void);
43 public void at_switch(int attr);
44 public lbool is_at_equiv(int attr1, int attr2);
45 public int apply_at_specials(int attr);
46 public void putbs(void);
47 public void win32_enqueue(int ch);
48 public void WIN32ungetch(int ch);
49 public void win32_clear_queue(void);
50 public lbool win32_kbhit2(char *pch);
51 public lbool win32_kbhit(void);
52 public int WIN32getch(void);
53 public void win32_getch_clear(void);
54 public void WIN32setcolors(int fg, int bg);
55 public void WIN32textout(constant char *text, size_t len);
56 public void match_brac(char obrac, char cbrac, lbool forwdir, int n);
57 public void ch_ungetchar(int c);
58 public void end_logfile(void);
59 public void sync_logfile(void);
60 public int ch_seek(POSITION pos);
61 public int ch_end_seek(void);
62 public int ch_end_buffer_seek(void);
63 public int ch_beg_seek(void);
64 public POSITION ch_length(void);
65 public void ch_resize(void);
66 public POSITION ch_tell(void);
67 public int ch_forw_get(void);
68 public int ch_back_get(void);
69 public void ch_setbufspace(ssize_t bufspace);
70 public void ch_flush(void);
71 public lbool seekable(int f);
72 public void ch_set_eof(void);
73 public void ch_init(int f, int flags, ssize_t nread);
74 public void ch_close(void);
75 public int ch_getflags(void);
76 public void setfmt(constant char *s, constant char **fmtvarptr, int *attrptr, constant char *default_fmt, lbool for_printf);
77 public void init_charset(void);
78 public lbool binary_char(LWCHAR c);
79 public lbool control_char(LWCHAR c);
80 public constant char * prchar(LWCHAR c);
81 public constant char * prutfchar(LWCHAR ch);
82 public int utf_len(char ach);
83 public lbool is_utf8_well_formed(constant char *ssa, int slen);
84 public void utf_skip_to_lead(constant char **pp, constant char *limit);
85 public LWCHAR get_wchar(constant char *sp);
86 public void put_wchar(mutable char **pp, LWCHAR ch);
87 public LWCHAR step_charc(constant char **pp, signed int dir, constant char *limit);
88 public LWCHAR step_char(char **pp, signed int dir, constant char *limit);
89 public lbool is_composing_char(LWCHAR ch);
90 public lbool is_ubin_char(LWCHAR ch);
91 public lbool is_wide_char(LWCHAR ch);
92 public lbool is_omit_char(LWCHAR ch);
93 public lbool is_combining_char(LWCHAR ch1, LWCHAR ch2);
94 public void cmd_reset(void);
95 public void clear_cmd(void);
96 public void cmd_putstr(constant char *s);
97 public int len_cmdbuf(void);
98 public lbool cmdbuf_empty(void);
99 public void cmd_repaint(constant char *old_cp);
100 public void set_mlist(void *mlist, int cmdflags);
101 public ssize_t save_updown_match(void);
102 public void restore_updown_match(ssize_t udm);
103 public void cmd_addhist(struct mlist *mlist, constant char *cmd, lbool modified);
104 public void cmd_accept(void);
105 public int cmd_char(char c);
106 public int cmd_setstring(constant char *s, lbool uc);
107 public LINENUM cmd_int(mutable long *frac);
108 public constant char * get_cmdbuf(void);
109 public constant char * cmd_lastpattern(void);
110 public void init_cmdhist(void);
111 public void save_cmdhist(void);
112 public void cmd_exec(void);
113 public lbool in_mca(void);
114 public int norm_search_type(int st);
115 public void screen_trashed_num(int trashed);
116 public void screen_trashed(void);
117 public int is_screen_trashed(void);
118 public void dispversion(void);
119 public void getcc_clear(void);
120 public char getcc(void);
121 public void ungetcc(char c);
122 public void ungetcc_back(char c);
123 public void ungetcc_end_command(void);
124 public void ungetsc(constant char *s);
125 public char peekcc(void);
126 public void start_ignoring_input(void);
127 public void stop_ignoring_input(void);
128 public lbool is_ignoring_input(int action);
129 public void commands(void);
130 public size_t cvt_length(size_t len, int ops);
131 public int * cvt_alloc_chpos(size_t len);
132 public void cvt_text(mutable char *odst, constant char *osrc, mutable int *chpos, mutable size_t *lenp, int ops);
133 public void expand_cmd_tables(void);
134 public void init_cmds(void);
135 public int fcmd_decode(constant char *cmd, constant char **sp);
136 public lbool parse_csl(lbool (*func)(constant char *word, size_t wlen, void *arg), constant char *str, void *arg);
137 public int parse_csl_bitmap(constant char *str, struct csl_bitmap_def *defs, int num_defs, constant char *pfx);
138 public constant char * lgetenv(constant char *var);
139 public constant char * lgetenv_ext(constant char *var, unsigned char *env_buf, size_t env_buf_len);
140 public lbool isnullenv(constant char *s);
141 public int lesskey(constant char *filename, lbool sysvar);
142 public int lesskey_src(constant char *filename, lbool sysvar);
143 public int lesskey_content(constant char *content, lbool sysvar);
144 public void lesskey_parse_error(constant char *s);
145 public int editchar(char c, int flags);
146 public void init_textlist(struct textlist *tlist, mutable char *str);
147 public constant char * forw_textlist(constant struct textlist *tlist, constant char *prev);
148 public constant char * back_textlist(constant struct textlist *tlist, constant char *prev);
149 public void close_pipe(FILE *pipefd);
150 public void check_altpipe_error(void);
151 public int edit(constant char *filename);
152 public int edit_ifile(IFILE ifile);
153 public int edit_list(char *filelist);
154 public int edit_first(void);
155 public int edit_last(void);
156 public int edit_next(int n);
157 public int edit_prev(int n);
158 public int edit_index(int n);
159 public IFILE save_curr_ifile(void);
160 public void unsave_ifile(IFILE save_ifile);
161 public void reedit_ifile(IFILE save_ifile);
162 public void reopen_curr_ifile(void);
163 public int edit_stdin(void);
164 public void cat_file(void);
165 public void use_logfile(constant char *filename);
166 public void expand_evars(mutable char *buf, size_t len, struct xbuffer *xbuf);
167 public char * shell_unquote(constant char *str);
168 public constant char * get_meta_escape(void);
169 public char * shell_quoten(constant char *s, size_t slen);
170 public char * shell_quote(constant char *s);
171 public char * dirfile(constant char *dirname, constant char *filename, lbool must_exist);
172 public char * homefile(constant char *filename);
173 public char * fexpand(constant char *s);
174 public char * fcomplete(constant char *s);
175 public lbool bin_file(int f, ssize_t *n);
176 public char * readfd(FILE *fd);
177 public char * lglob(constant char *afilename);
178 public lbool is_fake_pathname(constant char *path);
179 public char * lrealpath(constant char *path);
180 public char * open_altfile(constant char *filename, int *pf, FILE **pfd);
181 public void close_altfile(constant char *altfilename, constant char *filename);
182 public lbool is_dir(constant char *filename);
183 public char * bad_file(constant char *filename);
184 public POSITION filesize(int f);
185 public lbool curr_ifile_changed(void);
186 public constant char * shell_coption(void);
187 public constant char * last_component(constant char *name);
188 public void eof_bell(void);
189 public lbool eof_displayed(lbool offset);
190 public lbool entire_file_displayed(void);
191 public void squish_check(void);
192 public int overlay_header(void);
193 public void forw(int n, POSITION pos, lbool force, lbool only_last, lbool to_newline, lbool do_stop_on_form_feed, int nblank);
194 public void back(int n, POSITION pos, lbool force, lbool only_last, lbool to_newline, lbool do_stop_on_form_feed);
195 public void forward(int n, lbool force, lbool only_last, lbool to_newline);
196 public void backward(int n, lbool force, lbool only_last, lbool to_newline);
197 public int get_back_scroll(void);
198 public lbool get_one_screen(void);
199 public void del_ifile(IFILE h);
200 public IFILE next_ifile(IFILE h);
201 public IFILE prev_ifile(IFILE h);
202 public IFILE getoff_ifile(IFILE ifile);
203 public int nifile(void);
204 public IFILE get_ifile(constant char *filename, IFILE prev);
205 public constant char * get_filename(IFILE ifile);
206 public constant char * get_real_filename(IFILE ifile);
207 public int get_index(IFILE ifile);
208 public void store_pos(IFILE ifile, constant struct scrpos *scrpos);
209 public void get_pos(IFILE ifile, struct scrpos *scrpos);
210 public void set_open(IFILE ifile);
211 public lbool opened(IFILE ifile);
212 public void hold_ifile(IFILE ifile, int incr);
213 public int held_ifile(IFILE ifile);
214 public void * get_filestate(IFILE ifile);
215 public void set_filestate(IFILE ifile, void *filestate);
216 public void set_altpipe(IFILE ifile, FILE *p);
217 public FILE *get_altpipe(IFILE ifile);
218 public void set_altfilename(IFILE ifile, char *altfilename);
219 public char * get_altfilename(IFILE ifile);
220 public void if_dump(void);
221 public POSITION forw_line_seg(POSITION curr_pos, lbool skipeol, lbool rscroll, lbool nochop, lbool full_pad, lbool rforw, POSITION *p_linepos, lbool *p_newline);
222 public POSITION forw_line(POSITION curr_pos, POSITION *p_linepos, lbool *p_newline);
223 public POSITION back_line(POSITION curr_pos, POSITION *p_linepos, lbool *p_newline);
224 public void set_attnpos(POSITION pos);
225 public void jump_forw(void);
226 public void jump_forw_buffered(void);
227 public void jump_back(LINENUM linenum);
228 public void repaint(void);
229 public void jump_percent(int percent, long fraction);
230 public void jump_line_loc(POSITION pos, int sline);
231 public POSITION after_header_pos(POSITION pos);
232 public void jump_loc(POSITION pos, int sline);
233 public int parse_lesskey(constant char *infile, struct lesskey_tables *tables);
234 public int parse_lesskey_content(constant char *content, struct lesskey_tables *tables);
235 public void init_line(void);
236 public lbool is_ascii_char(LWCHAR ch);
237 public POSITION line_position(void);
238 public lbool is_line_contig_pos(POSITION pos);
239 public void set_line_contig_pos(POSITION pos);
240 public void prewind(lbool contig);
241 public void plinestart(POSITION line_pos, POSITION curr_pos);
242 public unsigned line_pfx_width(void);
243 public void pshift_all(void);
244 public int pwidth(LWCHAR ch, int a, LWCHAR prev_ch, int prev_a);
245 public void savec(void);
246 public void loadc(void);
247 public lbool is_ansi_end(LWCHAR ch);
248 public lbool is_ansi_middle(LWCHAR ch);
249 public void skip_ansi(struct ansi_state *pansi, LWCHAR ch, constant char **pp, constant char *limit);
250 public struct ansi_state * ansi_start(LWCHAR ch);
251 public ansi_state ansi_step(struct ansi_state *pansi, LWCHAR ch);
252 public osc8_state ansi_osc8_state(struct ansi_state *pansi);
253 public void ansi_done(struct ansi_state *pansi);
254 public int pappend_b(char c, POSITION pos, lbool before_pendc);
255 public int pappend(char c, POSITION pos);
256 public lbool line_is_ff(void);
257 public int pflushmbc(void);
258 public void pdone(lbool endline, lbool chopped, lbool forw, lbool full_pad);
259 public int col_from_pos(POSITION linepos, POSITION spos, POSITION saved_pos, int saved_col);
260 public POSITION pos_from_col(POSITION linepos, int col, POSITION saved_pos, int saved_col);
261 public void set_attr_line(int a);
262 public void set_status_col(char c, int attr);
263 public int gline(size_t i, int *ap);
264 public lbool should_clear_after_line(void);
265 public void null_line(void);
266 public POSITION forw_raw_line_len(POSITION curr_pos, size_t read_len, constant char **linep, size_t *line_lenp);
267 public POSITION forw_raw_line(POSITION curr_pos, constant char **linep, size_t *line_lenp);
268 public POSITION back_raw_line(POSITION curr_pos, constant char **linep, size_t *line_lenp);
269 public int skip_columns(int cols, constant char **linep, size_t *line_lenp);
270 public void load_line(constant char *str, int attr, int reserve);
271 public int longest_line_width(void);
272 public int rrshift(void);
273 public int set_color_map(int attr, constant char *colorstr);
274 public constant char * get_color_map(int attr);
275 public void clr_linenum(void);
276 public void add_lnum(LINENUM linenum, POSITION pos);
277 public LINENUM find_linenum(POSITION pos);
278 public POSITION find_pos(LINENUM linenum);
279 public LINENUM currline(int where);
280 public void scan_eof(void);
281 public LINENUM vlinenum(LINENUM linenum);
282 public void lmsg_init(constant char *lmsg_file);
283 public constant char * lmsg(lessmsg_id id);
284 public void lsystem(constant char *cmd, constant char *donemsg);
285 public int pipe_pos(constant char *cmd, POSITION mpos1, POSITION mpos2);
286 public void init_mark(void);
287 public lbool badmark(char c);
288 public void setmark(char c, int where, LINENUM linenum);
289 public void clrmark(char c);
290 public void lastmark(void);
291 public void gomark(char c, int sline);
292 public POSITION markpos(char c);
293 public char posmark(POSITION pos);
294 public void unmark(IFILE ifile);
295 public void mark_check_ifile(IFILE ifile);
296 public void save_marks(FILE *fout, constant char *hdr);
297 public void restore_mark(constant char *line);
298 public void opt_o(int type, constant char *s);
299 public void opt__O(int type, constant char *s);
300 public void opt_j(int type, constant char *s);
301 public void calc_jump_sline(void);
302 public void opt_shift(int type, constant char *s);
303 public void calc_shift_count(void);
304 public void opt_k(int type, constant char *s);
305 public void opt_ks(int type, constant char *s);
306 public void opt_kc(int type, constant char *s);
307 public void opt__S(int type, constant char *s);
308 public void opt_t(int type, constant char *s);
309 public void opt__T(int type, constant char *s);
310 public void opt_p(int type, constant char *s);
311 public void opt__P(int type, constant char *s);
312 public void opt_end_prompt(int type, constant char *s);
313 public void opt_autosave(int type, constant char *s);
314 public void opt_b(int type, constant char *s);
315 public void opt_i(int type, constant char *s);
316 public void opt__V(int type, constant char *s);
317 public void opt_D(int type, constant char *s);
318 public void set_tabs(constant char *s, size_t len);
319 public void opt_x(int type, constant char *s);
320 public void opt_quote(int type, constant char *s);
321 public void opt_rscroll(int type, constant char *s);
322 public void opt_query(int type, constant char *s);
323 public void opt_match_shift(int type, constant char *s);
324 public void calc_match_shift(void);
325 public void opt_emouse(int type, constant char *s);
326 public void opt_mouse(int type, constant char *s);
327 public void opt_wheel_lines(int type, constant char *s);
328 public void opt_linenum_width(int type, constant char *s);
329 public void opt_status_col_width(int type, constant char *s);
330 public void opt_filesize(int type, constant char *s);
331 public void opt_first_cmd_at_prompt(int type, constant char *s);
332 public void opt_intr(int type, constant char *s);
333 public void opt_header(int type, constant char *s);
334 public void opt_hilite_target(int type, constant char *s);
335 public void opt_search_type(int type, constant char *s);
336 public void opt_nosearch_headers(int type, constant char *s);
337 public void opt_nosearch_header_lines(int type, constant char *s);
338 public void opt_nosearch_header_cols(int type, constant char *s);
339 public void opt_no_paste(int type, constant char *s);
340 public void opt_ttyin_name(int type, constant char *s);
341 public int chop_line(void);
342 public int get_swindow(void);
343 public lbool autosave_action(char act);
344 public constant char * propt(char c);
345 public void scan_option(constant char *s, lbool is_env);
346 public lbool toggle_option(struct loption *o, lbool lower, constant char *s, int how_toggle);
347 public lbool opt_has_param(constant struct loption *o);
348 public constant char * opt_prompt(constant struct loption *o);
349 public constant char * opt_toggle_disallowed(int c);
350 public lbool isoptpending(void);
351 public void nopendopt(void);
352 public lbool getnumc(constant char **sp, constant char *printopt, lbool neg_ok, mutable int *p_num);
353 public lbool getnum(char **sp, constant char *printopt, lbool neg_ok, mutable int *p_num);
354 public lbool getfraction(constant char **sp, mutable long *p_frac);
355 public void init_unsupport(void);
356 public int get_quit_at_eof(void);
357 public void init_option(void);
358 public struct loption * findopt(int c);
359 public struct loption * findopt_name(constant char **p_optname, constant char **p_oname, lbool *p_ambig);
360 public char * findopts_name(constant char *pfx);
361 public void init_poll(void);
362 public lbool ttyin_ready(void);
363 public lbool supports_ctrl_x(void);
364 public ssize_t iread(int fd, unsigned char *buf, size_t len);
365 public int iopen(constant char *filename, int flags);
366 public void intio(void);
367 public void polling_ok(void);
368 public time_type get_time(void);
369 public char * errno_message(constant char *filename);
370 public constant char * signal_message(int sig);
371 public uintmax umuldiv(uintmax val, uintmax num, uintmax den);
372 public int percentage(POSITION num, POSITION den);
373 public POSITION percent_pos(POSITION pos, int percent, long fraction);
374 public int os9_signal(int type, RETSIGTYPE (*handler)());
375 public void sleep_ms(int ms);
376 public void put_line_hilite(lbool forw_scroll, lbool target);
377 public void put_line(lbool forw_scroll);
378 public void flush(void);
379 public void set_output(int fd, lbool no_term_init);
380 public int putchr(int ch);
381 public void clear_bot_if_needed(void);
382 public void putstr(constant char *s);
383 public void less_printf(constant char *fmt, constant PARG *parg);
384 public void get_return(void);
385 public void error(constant char *fmt, constant PARG *parg);
386 public void ierror(constant char *fmt, constant PARG *parg);
387 public void ixerror(constant char *fmt, constant PARG *parg);
388 public int query(constant char *fmt, constant PARG *parg);
389 public int compile_pattern(constant char *pattern, int search_type, int show_error, PATTERN_TYPE *comp_pattern);
390 public void uncompile_pattern(PATTERN_TYPE *pattern);
391 public int valid_pattern(char *pattern);
392 public lbool is_null_pattern(PATTERN_TYPE pattern);
393 public lbool match_pattern(PATTERN_TYPE pattern, constant char *tpattern, constant char *line, size_t line_len, size_t line_off, constant char **sp, constant char **ep, int nsp, int notbol, int search_type);
394 public constant char * pattern_lib_name(void);
395 public POSITION position(int sindex);
396 public void add_forw_pos(POSITION pos, lbool no_scroll);
397 public void add_back_pos(POSITION pos);
398 public void pos_clear(void);
399 public void pos_init(void);
400 public int onscreen(POSITION pos);
401 public lbool empty_screen(void);
402 public lbool empty_lines(int s, int e);
403 public void get_scrpos_pos(struct scrpos *scrpos, int where, POSITION pos);
404 public void get_scrpos(struct scrpos *scrpos, int where);
405 public int sindex_from_sline(int sline);
406 public POSITION beginning_of_line(POSITION tpos);
407 public void pos_rehead(lbool adj_hshift);
408 public void init_prompt(void);
409 public constant char * pr_expand(constant char *proto);
410 public constant char * eq_message(void);
411 public constant char * pr_string(void);
412 public constant char * end_pr_string(void);
413 public constant char * wait_message(void);
414 public void init_search(void);
415 public int get_cvt_ops(int search_type);
416 public constant char* prev_pattern_text(void);
417 public void repaint_hilite(lbool on);
418 public void draw_target_attn(lbool hilite);
419 public void clear_attn(void);
420 public void undo_search(lbool clear);
421 public lbool undo_osc8(void);
422 public void clr_hilite(void);
423 public void clr_filter(void);
424 public void set_header(POSITION pos);
425 public lbool is_filtered(POSITION pos);
426 public POSITION next_unfiltered(POSITION pos);
427 public int is_hilited_attr(POSITION pos, POSITION epos, int nohide, int *p_matches);
428 public void chg_hilite(void);
429 public POSITION search_pos(int search_type);
430 public void osc8_search(int search_type, constant char *param, int matches);
431 public lbool osc8_click(int sindex, int col);
432 public void osc8_open(void);
433 public void osc8_jump(void);
434 public void chg_caseless(void);
435 public int search(int search_type, constant char *pattern, int n);
436 public void prep_hilite(POSITION spos, POSITION epos, int maxlines);
437 public void set_filter_pattern(constant char *pattern, int search_type);
438 public lbool is_filtering(void);
439 public RETSIGTYPE lwinch(int type);
440 public void init_signals(lbool on);
441 public void psignals(void);
442 public void cleantags(void);
443 public void findtag(constant char *tag);
444 public POSITION tagsearch(void);
445 public constant char * nexttag(int n);
446 public constant char * prevtag(int n);
447 public int ntags(void);
448 public int curr_tag(void);
449 public int edit_tagfile(void);
450 public lbool is_lesstest(void);
451 public int open_tty(void);
452 public void open_getchr(void);
453 public void close_getchr(void);
454 public int pclose(FILE *f);
455 public int default_wheel_lines(void);
456 public int getchr(void);
457 public void xbuf_init(struct xbuffer *xbuf);
458 public void xbuf_init_size(struct xbuffer *xbuf, size_t init_size);
459 public void xbuf_deinit(struct xbuffer *xbuf);
460 public void xbuf_reset(struct xbuffer *xbuf);
461 public void xbuf_add_byte(struct xbuffer *xbuf, unsigned char b);
462 public void xbuf_add_char(struct xbuffer *xbuf, char c);
463 public void xbuf_add_data(struct xbuffer *xbuf, constant void *vdata, size_t len);
464 public int xbuf_pop(struct xbuffer *buf);
465 public void xbuf_set(struct xbuffer *dst, constant struct xbuffer *src);
466 public constant char * xbuf_char_data(constant struct xbuffer *xbuf);
467 public lbool help_ckd_add(void *r, uintmax a, uintmax b, int rsize, int rsigned);
468 public lbool help_ckd_mul(void *r, uintmax a, uintmax b, int rsize, int rsigned);
469