xref: /freebsd/contrib/less/funcs.h (revision 8ccc0d235c226d84112561d453c49904398d085c)
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 int secure_allow(int features);
10 public void raw_mode(int on);
11 public void screen_size_changed(void);
12 public constant char * special_key_str(int key);
13 public void init_win_colors(void);
14 public void get_term(void);
15 public void init_mouse(void);
16 public void deinit_mouse(void);
17 public void suspend_screen(void);
18 public void resume_screen(void);
19 public void init(void);
20 public void deinit(void);
21 public int interactive(void);
22 public void home(void);
23 public void dump_screen(void);
24 public void add_line(void);
25 public void remove_top(int n);
26 public void win32_scroll_up(int n);
27 public void lower_left(void);
28 public void line_left(void);
29 public void check_winch(void);
30 public void goto_line(int sindex);
31 public void vbell(void);
32 public void bell(void);
33 public void clear(void);
34 public void clear_eol(void);
35 public void clear_bot(void);
36 public void init_bracketed_paste(void);
37 public void deinit_bracketed_paste(void);
38 public COLOR_TYPE parse_color(constant char *str, mutable int *p_fg, mutable int *p_bg, mutable CHAR_ATTR *p_cattr);
39 public void at_enter(int attr);
40 public void at_exit(void);
41 public void at_switch(int attr);
42 public lbool is_at_equiv(int attr1, int attr2);
43 public int apply_at_specials(int attr);
44 public void putbs(void);
45 public void WIN32ungetch(int ch);
46 public lbool win32_kbhit2(lbool no_queued);
47 public lbool win32_kbhit(void);
48 public char WIN32getch(void);
49 public void win32_getch_clear(void);
50 public void WIN32setcolors(int fg, int bg);
51 public void WIN32textout(constant char *text, size_t len);
52 public void match_brac(char obrac, char cbrac, int forwdir, int n);
53 public void ch_ungetchar(int c);
54 public void end_logfile(void);
55 public void sync_logfile(void);
56 public int ch_seek(POSITION pos);
57 public int ch_end_seek(void);
58 public int ch_end_buffer_seek(void);
59 public int ch_beg_seek(void);
60 public POSITION ch_length(void);
61 public void ch_resize(void);
62 public POSITION ch_tell(void);
63 public int ch_forw_get(void);
64 public int ch_back_get(void);
65 public void ch_setbufspace(ssize_t bufspace);
66 public void ch_flush(void);
67 public int seekable(int f);
68 public void ch_set_eof(void);
69 public void ch_init(int f, int flags, ssize_t nread);
70 public void ch_close(void);
71 public int ch_getflags(void);
72 public void setfmt(constant char *s, constant char **fmtvarptr, int *attrptr, constant char *default_fmt, lbool for_printf);
73 public void init_charset(void);
74 public lbool binary_char(LWCHAR c);
75 public lbool control_char(LWCHAR c);
76 public constant char * prchar(LWCHAR c);
77 public constant char * prutfchar(LWCHAR ch);
78 public int utf_len(char ch);
79 public lbool is_utf8_well_formed(constant char *ss, int slen);
80 public void utf_skip_to_lead(constant char **pp, constant char *limit);
81 public LWCHAR get_wchar(constant char *sp);
82 public void put_wchar(mutable char **pp, LWCHAR ch);
83 public LWCHAR step_charc(constant char **pp, signed int dir, constant char *limit);
84 public LWCHAR step_char(char **pp, signed int dir, constant char *limit);
85 public lbool is_composing_char(LWCHAR ch);
86 public lbool is_ubin_char(LWCHAR ch);
87 public lbool is_wide_char(LWCHAR ch);
88 public lbool is_omit_char(LWCHAR ch);
89 public lbool is_combining_char(LWCHAR ch1, LWCHAR ch2);
90 public void cmd_reset(void);
91 public void clear_cmd(void);
92 public void cmd_putstr(constant char *s);
93 public int len_cmdbuf(void);
94 public lbool cmdbuf_empty(void);
95 public void cmd_repaint(constant char *old_cp);
96 public void set_mlist(void *mlist, int cmdflags);
97 public ssize_t save_updown_match(void);
98 public void restore_updown_match(ssize_t udm);
99 public void cmd_addhist(struct mlist *mlist, constant char *cmd, lbool modified);
100 public void cmd_accept(void);
101 public int cmd_char(char c);
102 public int cmd_setstring(constant char *s, lbool uc);
103 public LINENUM cmd_int(mutable long *frac);
104 public constant char * get_cmdbuf(void);
105 public constant char * cmd_lastpattern(void);
106 public void init_cmdhist(void);
107 public void save_cmdhist(void);
108 public void cmd_exec(void);
109 public int in_mca(void);
110 public int norm_search_type(int st);
111 public void screen_trashed_num(int trashed);
112 public void screen_trashed(void);
113 public int is_screen_trashed(void);
114 public void dispversion(void);
115 public void getcc_clear(void);
116 public char getcc(void);
117 public void ungetcc(char c);
118 public void ungetcc_back(char c);
119 public void ungetcc_end_command(void);
120 public void ungetsc(constant char *s);
121 public char peekcc(void);
122 public void start_ignoring_input();
123 public void stop_ignoring_input();
124 public lbool is_ignoring_input(int action);
125 public void commands(void);
126 public size_t cvt_length(size_t len, int ops);
127 public int * cvt_alloc_chpos(size_t len);
128 public void cvt_text(mutable char *odst, constant char *osrc, mutable int *chpos, mutable size_t *lenp, int ops);
129 public void expand_cmd_tables(void);
130 public void init_cmds(void);
131 public void add_fcmd_table(unsigned char *buf, size_t len);
132 public void add_ecmd_table(unsigned char *buf, size_t len);
133 public void add_uvar_table(unsigned char *buf, size_t len);
134 public void add_sysvar_table(unsigned char *buf, size_t len);
135 public int fcmd_decode(constant char *cmd, constant char **sp);
136 public int ecmd_decode(constant char *cmd, constant char **sp);
137 public constant char * lgetenv(constant char *var);
138 public constant char * lgetenv_ext(constant char *var, unsigned char *env_buf, size_t env_buf_len);
139 public lbool isnullenv(constant char *s);
140 public int lesskey(constant char *filename, lbool sysvar);
141 public int lesskey_src(constant char *filename, lbool sysvar);
142 public int lesskey_content(constant char *content, lbool sysvar);
143 public int editchar(char c, int flags);
144 public void init_textlist(struct textlist *tlist, mutable char *str);
145 public constant char * forw_textlist(struct textlist *tlist, constant char *prev);
146 public constant char * back_textlist(struct textlist *tlist, constant char *prev);
147 public void close_altpipe(IFILE ifile);
148 public void check_altpipe_error(void);
149 public int edit(constant char *filename);
150 public int edit_ifile(IFILE ifile);
151 public int edit_list(char *filelist);
152 public int edit_first(void);
153 public int edit_last(void);
154 public int edit_next(int n);
155 public int edit_prev(int n);
156 public int edit_index(int n);
157 public IFILE save_curr_ifile(void);
158 public void unsave_ifile(IFILE save_ifile);
159 public void reedit_ifile(IFILE save_ifile);
160 public void reopen_curr_ifile(void);
161 public int edit_stdin(void);
162 public void cat_file(void);
163 public void use_logfile(constant char *filename);
164 public void expand_evars(mutable char *buf, size_t len, struct xbuffer *xbuf);
165 public char * shell_unquote(constant char *str);
166 public constant char * get_meta_escape(void);
167 public char * shell_quoten(constant char *s, size_t slen);
168 public char * shell_quote(constant char *s);
169 public char * dirfile(constant char *dirname, constant char *filename, int must_exist);
170 public char * homefile(constant char *filename);
171 public char * fexpand(constant char *s);
172 public char * fcomplete(constant char *s);
173 public int bin_file(int f, ssize_t *n);
174 public char * readfd(FILE *fd);
175 public char * lglob(constant char *afilename);
176 public lbool is_fake_pathname(constant char *path);
177 public char * lrealpath(constant char *path);
178 public char * open_altfile(constant char *filename, int *pf, void **pfd);
179 public void close_altfile(constant char *altfilename, constant char *filename);
180 public lbool is_dir(constant char *filename);
181 public char * bad_file(constant char *filename);
182 public POSITION filesize(int f);
183 public lbool curr_ifile_changed(void);
184 public constant char * shell_coption(void);
185 public constant char * last_component(constant char *name);
186 public void eof_bell(void);
187 public lbool eof_displayed(lbool offset);
188 public lbool entire_file_displayed(void);
189 public void squish_check(void);
190 public int overlay_header(void);
191 public void forw(int n, POSITION pos, lbool force, lbool only_last, lbool to_newline, int nblank);
192 public void back(int n, POSITION pos, lbool force, lbool only_last, lbool to_newline);
193 public void forward(int n, lbool force, lbool only_last, lbool to_newline);
194 public void backward(int n, lbool force, lbool only_last, lbool to_newline);
195 public int get_back_scroll(void);
196 public lbool get_one_screen(void);
197 public void del_ifile(IFILE h);
198 public IFILE next_ifile(IFILE h);
199 public IFILE prev_ifile(IFILE h);
200 public IFILE getoff_ifile(IFILE ifile);
201 public int nifile(void);
202 public IFILE get_ifile(constant char *filename, IFILE prev);
203 public constant char * get_filename(IFILE ifile);
204 public constant char * get_real_filename(IFILE ifile);
205 public int get_index(IFILE ifile);
206 public void store_pos(IFILE ifile, struct scrpos *scrpos);
207 public void get_pos(IFILE ifile, struct scrpos *scrpos);
208 public void set_open(IFILE ifile);
209 public int opened(IFILE ifile);
210 public void hold_ifile(IFILE ifile, int incr);
211 public int held_ifile(IFILE ifile);
212 public void * get_filestate(IFILE ifile);
213 public void set_filestate(IFILE ifile, void *filestate);
214 public void set_altpipe(IFILE ifile, void *p);
215 public void *get_altpipe(IFILE ifile);
216 public void set_altfilename(IFILE ifile, char *altfilename);
217 public char * get_altfilename(IFILE ifile);
218 public void if_dump(void);
219 public POSITION forw_line_seg(POSITION curr_pos, lbool skipeol, lbool rscroll, lbool nochop, POSITION *p_linepos, lbool *p_newline);
220 public POSITION forw_line(POSITION curr_pos, POSITION *p_linepos, lbool *p_newline);
221 public POSITION back_line(POSITION curr_pos, lbool *p_newline);
222 public void set_attnpos(POSITION pos);
223 public void jump_forw(void);
224 public void jump_forw_buffered(void);
225 public void jump_back(LINENUM linenum);
226 public void repaint(void);
227 public void jump_percent(int percent, long fraction);
228 public void jump_line_loc(POSITION pos, int sline);
229 public POSITION after_header_pos(POSITION pos);
230 public void jump_loc(POSITION pos, int sline);
231 public void init_line(void);
232 public lbool is_ascii_char(LWCHAR ch);
233 public POSITION line_position(void);
234 public lbool is_line_contig_pos(POSITION pos);
235 public void set_line_contig_pos(POSITION pos);
236 public void prewind(lbool contig);
237 public void plinestart(POSITION pos);
238 public int line_pfx_width(void);
239 public void pshift_all(void);
240 public int pwidth(LWCHAR ch, int a, LWCHAR prev_ch, int prev_a);
241 public void savec(void);
242 public void loadc(void);
243 public lbool is_ansi_end(LWCHAR ch);
244 public lbool is_ansi_middle(LWCHAR ch);
245 public void skip_ansi(struct ansi_state *pansi, LWCHAR ch, constant char **pp, constant char *limit);
246 public struct ansi_state * ansi_start(LWCHAR ch);
247 public ansi_state ansi_step(struct ansi_state *pansi, LWCHAR ch);
248 public osc8_state ansi_osc8_state(struct ansi_state *pansi);
249 public void ansi_done(struct ansi_state *pansi);
250 public int pappend_b(char c, POSITION pos, lbool before_pendc);
251 public int pappend(char c, POSITION pos);
252 public lbool line_is_ff(void);
253 public int pflushmbc(void);
254 public void pdone(lbool endline, lbool chopped, lbool forw);
255 public int col_from_pos(POSITION linepos, POSITION spos, POSITION saved_pos, int saved_col);
256 public POSITION pos_from_col(POSITION linepos, int col, POSITION saved_pos, int saved_col);
257 public void set_attr_line(int a);
258 public void set_status_col(char c, int attr);
259 public int gline(size_t i, int *ap);
260 public lbool should_clear_after_line(void);
261 public void null_line(void);
262 public POSITION forw_raw_line_len(POSITION curr_pos, size_t read_len, constant char **linep, size_t *line_lenp);
263 public POSITION forw_raw_line(POSITION curr_pos, constant char **linep, size_t *line_lenp);
264 public POSITION back_raw_line(POSITION curr_pos, constant char **linep, size_t *line_lenp);
265 public int skip_columns(int cols, constant char **linep, size_t *line_lenp);
266 public void load_line(constant char *str);
267 public int rrshift(void);
268 public int set_color_map(int attr, constant char *colorstr);
269 public constant char * get_color_map(int attr);
270 public void clr_linenum(void);
271 public void add_lnum(LINENUM linenum, POSITION pos);
272 public LINENUM find_linenum(POSITION pos);
273 public POSITION find_pos(LINENUM linenum);
274 public LINENUM currline(int where);
275 public void scan_eof(void);
276 public LINENUM vlinenum(LINENUM linenum);
277 public void lsystem(constant char *cmd, constant char *donemsg);
278 public int pipe_mark(char c, constant char *cmd);
279 public int pipe_data(constant char *cmd, POSITION spos, POSITION epos);
280 public void init_mark(void);
281 public int badmark(char c);
282 public void setmark(char c, int where);
283 public void clrmark(char c);
284 public void lastmark(void);
285 public void gomark(char c);
286 public POSITION markpos(char c);
287 public char posmark(POSITION pos);
288 public void unmark(IFILE ifile);
289 public void mark_check_ifile(IFILE ifile);
290 public void save_marks(FILE *fout, constant char *hdr);
291 public void restore_mark(constant char *line);
292 public void opt_o(int type, constant char *s);
293 public void opt__O(int type, constant char *s);
294 public void opt_j(int type, constant char *s);
295 public void calc_jump_sline(void);
296 public void opt_shift(int type, constant char *s);
297 public void calc_shift_count(void);
298 public void opt_k(int type, constant char *s);
299 public void opt_ks(int type, constant char *s);
300 public void opt_kc(int type, constant char *s);
301 public void opt__S(int type, constant char *s);
302 public void opt_t(int type, constant char *s);
303 public void opt__T(int type, constant char *s);
304 public void opt_p(int type, constant char *s);
305 public void opt__P(int type, constant char *s);
306 public void opt_b(int type, constant char *s);
307 public void opt_i(int type, constant char *s);
308 public void opt__V(int type, constant char *s);
309 public void opt_D(int type, constant char *s);
310 public void set_tabs(constant char *s, size_t len);
311 public void opt_x(int type, constant char *s);
312 public void opt_quote(int type, constant char *s);
313 public void opt_rscroll(int type, constant char *s);
314 public void opt_query(int type, constant char *s);
315 public void opt_match_shift(int type, constant char *s);
316 public void calc_match_shift(void);
317 public void opt_mousecap(int type, constant char *s);
318 public void opt_wheel_lines(int type, constant char *s);
319 public void opt_linenum_width(int type, constant char *s);
320 public void opt_status_col_width(int type, constant char *s);
321 public void opt_filesize(int type, constant char *s);
322 public void opt_first_cmd_at_prompt(int type, constant char *s);
323 public void opt_intr(int type, constant char *s);
324 public int next_cnum(constant char **sp, constant char *printopt, constant char *errmsg, lbool *errp);
325 public void opt_header(int type, constant char *s);
326 public void opt_search_type(int type, constant char *s);
327 public void opt_nosearch_headers(int type, constant char *s);
328 public void opt_nosearch_header_lines(int type, constant char *s);
329 public void opt_nosearch_header_cols(int type, constant char *s);
330 public void opt_no_paste(int type, constant char *s);
331 public void opt_ttyin_name(int type, constant char *s);
332 public int chop_line(void);
333 public int get_swindow(void);
334 public constant char * propt(char c);
335 public void scan_option(constant char *s, lbool is_env);
336 public void toggle_option(struct loption *o, lbool lower, constant char *s, int how_toggle);
337 public int opt_has_param(struct loption *o);
338 public constant char * opt_prompt(struct loption *o);
339 public constant char * opt_toggle_disallowed(int c);
340 public lbool isoptpending(void);
341 public void nopendopt(void);
342 public int getnumc(constant char **sp, constant char *printopt, lbool *errp);
343 public int getnum(char **sp, constant char *printopt, lbool *errp);
344 public long getfraction(constant char **sp, constant char *printopt, lbool *errp);
345 public void init_unsupport(void);
346 public int get_quit_at_eof(void);
347 public void init_option(void);
348 public struct loption * findopt(int c);
349 public struct loption * findopt_name(constant char **p_optname, constant char **p_oname, lbool *p_ambig);
350 public char * findopts_name(constant char *pfx);
351 public void init_poll(void);
352 public lbool ttyin_ready(void);
353 public int supports_ctrl_x(void);
354 public ssize_t iread(int fd, unsigned char *buf, size_t len);
355 public int iopen(constant char *filename, int flags);
356 public void intio(void);
357 public time_type get_time(void);
358 public char * errno_message(constant char *filename);
359 public constant char * signal_message(int sig);
360 public uintmax umuldiv(uintmax val, uintmax num, uintmax den);
361 public int percentage(POSITION num, POSITION den);
362 public POSITION percent_pos(POSITION pos, int percent, long fraction);
363 public int os9_signal(int type, RETSIGTYPE (*handler)());
364 public void sleep_ms(int ms);
365 public void put_line(lbool forw_scroll);
366 public void flush(void);
367 public void set_output(int fd);
368 public int putchr(int ch);
369 public void clear_bot_if_needed(void);
370 public void putstr(constant char *s);
371 public int less_printf(constant char *fmt, PARG *parg);
372 public void get_return(void);
373 public void error(constant char *fmt, PARG *parg);
374 public void ierror(constant char *fmt, PARG *parg);
375 public void ixerror(constant char *fmt, PARG *parg);
376 public int query(constant char *fmt, PARG *parg);
377 public int compile_pattern(constant char *pattern, int search_type, int show_error, PATTERN_TYPE *comp_pattern);
378 public void uncompile_pattern(PATTERN_TYPE *pattern);
379 public int valid_pattern(char *pattern);
380 public lbool is_null_pattern(PATTERN_TYPE pattern);
381 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);
382 public constant char * pattern_lib_name(void);
383 public POSITION position(int sindex);
384 public void add_forw_pos(POSITION pos, lbool no_scroll);
385 public void add_back_pos(POSITION pos);
386 public void pos_clear(void);
387 public void pos_init(void);
388 public int onscreen(POSITION pos);
389 public int empty_screen(void);
390 public int empty_lines(int s, int e);
391 public void get_scrpos(struct scrpos *scrpos, int where);
392 public int sindex_from_sline(int sline);
393 public void pos_rehead(void);
394 public void init_prompt(void);
395 public constant char * pr_expand(constant char *proto);
396 public constant char * eq_message(void);
397 public constant char * pr_string(void);
398 public constant char * wait_message(void);
399 public void init_search(void);
400 public int get_cvt_ops(int search_type);
401 public void repaint_hilite(lbool on);
402 public void clear_attn(void);
403 public void undo_search(lbool clear);
404 public void undo_osc8(void);
405 public void clr_hlist(struct hilite_tree *anchor);
406 public void clr_hilite(void);
407 public void clr_filter(void);
408 public void set_header(POSITION pos);
409 public lbool is_filtered(POSITION pos);
410 public POSITION next_unfiltered(POSITION pos);
411 public int is_hilited_attr(POSITION pos, POSITION epos, int nohide, int *p_matches);
412 public void chg_hilite(void);
413 public POSITION search_pos(int search_type);
414 public void osc8_search(int search_type, constant char *param, int matches);
415 public lbool osc8_click(int sindex, int col);
416 public void osc8_open(void);
417 public void osc8_jump(void);
418 public void chg_caseless(void);
419 public int search(int search_type, constant char *pattern, int n);
420 public void prep_hilite(POSITION spos, POSITION epos, int maxlines);
421 public void set_filter_pattern(constant char *pattern, int search_type);
422 public lbool is_filtering(void);
423 public RETSIGTYPE winch(int type);
424 public void init_signals(int on);
425 public void psignals(void);
426 public void cleantags(void);
427 public int gettagtype(void);
428 public void findtag(constant char *tag);
429 public POSITION tagsearch(void);
430 public constant char * nexttag(int n);
431 public constant char * prevtag(int n);
432 public int ntags(void);
433 public int curr_tag(void);
434 public int edit_tagfile(void);
435 public lbool is_lesstest(void);
436 public int open_tty(void);
437 public void open_getchr(void);
438 public void close_getchr(void);
439 public int pclose(FILE *f);
440 public int default_wheel_lines(void);
441 public int getchr(void);
442 public void xbuf_init(struct xbuffer *xbuf);
443 public void xbuf_init_size(struct xbuffer *xbuf, size_t init_size);
444 public void xbuf_deinit(struct xbuffer *xbuf);
445 public void xbuf_reset(struct xbuffer *xbuf);
446 public void xbuf_add_byte(struct xbuffer *xbuf, unsigned char b);
447 public void xbuf_add_char(struct xbuffer *xbuf, char c);
448 public void xbuf_add_data(struct xbuffer *xbuf, constant unsigned char *data, size_t len);
449 public int xbuf_pop(struct xbuffer *buf);
450 public void xbuf_set(struct xbuffer *dst, constant struct xbuffer *src);
451 public constant char * xbuf_char_data(constant struct xbuffer *xbuf);
452 public lbool help_ckd_add(void *r, uintmax a, uintmax b, int rsize, int rsigned);
453 public lbool help_ckd_mul(void *r, uintmax a, uintmax b, int rsize, int rsigned);
454