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1/* externs.h -- extern function declarations which do not appear in their
2 own header file. */
3
4/* Copyright (C) 1993-2010 Free Software Foundation, Inc.
5
6 This file is part of GNU Bash, the Bourne Again SHell.
7
8 Bash is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
12
13 Bash is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with Bash. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22/* Make sure that this is included *after* config.h! */
23
24#if !defined (_EXTERNS_H_)
25# define _EXTERNS_H_
26
27#include "stdc.h"
28
29/* Functions from expr.c. */
30extern intmax_t evalexp __P((char *, int *));
31
32/* Functions from print_cmd.c. */
33#define FUNC_MULTILINE 0x01
34#define FUNC_EXTERNAL 0x02
35
36extern char *make_command_string __P((COMMAND *));
37extern char *named_function_string __P((char *, COMMAND *, int));
38
39extern void print_command __P((COMMAND *));
40extern void print_simple_command __P((SIMPLE_COM *));
41extern void print_word_list __P((WORD_LIST *, char *));
42
43/* debugger support */
44extern void print_for_command_head __P((FOR_COM *));
45#if defined (SELECT_COMMAND)
46extern void print_select_command_head __P((SELECT_COM *));
47#endif
48extern void print_case_command_head __P((CASE_COM *));
49#if defined (DPAREN_ARITHMETIC)
50extern void print_arith_command __P((WORD_LIST *));
51#endif
52#if defined (COND_COMMAND)
53extern void print_cond_command __P((COND_COM *));
54#endif
55
56/* set -x support */
57extern void xtrace_init __P((void));
58#ifdef NEED_XTRACE_SET_DECL
59extern void xtrace_set __P((int, FILE *));
60#endif
61extern void xtrace_fdchk __P((int));
62extern void xtrace_reset __P((void));
63extern char *indirection_level_string __P((void));
64extern void xtrace_print_assignment __P((char *, char *, int, int));
65extern void xtrace_print_word_list __P((WORD_LIST *, int));
66extern void xtrace_print_for_command_head __P((FOR_COM *));
67#if defined (SELECT_COMMAND)
68extern void xtrace_print_select_command_head __P((SELECT_COM *));
69#endif
70extern void xtrace_print_case_command_head __P((CASE_COM *));
71#if defined (DPAREN_ARITHMETIC)
72extern void xtrace_print_arith_cmd __P((WORD_LIST *));
73#endif
74#if defined (COND_COMMAND)
75extern void xtrace_print_cond_term __P((int, int, WORD_DESC *, char *, char *));
76#endif
77
78/* Functions from shell.c. */
79extern void exit_shell __P((int)) __attribute__((__noreturn__));
80extern void sh_exit __P((int)) __attribute__((__noreturn__));
81extern void subshell_exit __P((int)) __attribute__((__noreturn__));
82extern void disable_priv_mode __P((void));
83extern void unbind_args __P((void));
84
85#if defined (RESTRICTED_SHELL)
86extern int shell_is_restricted __P((char *));
87extern int maybe_make_restricted __P((char *));
88#endif
89
90extern void unset_bash_input __P((int));
91extern void get_current_user_info __P((void));
92
93/* Functions from eval.c. */
94extern int reader_loop __P((void));
95extern int parse_command __P((void));
96extern int read_command __P((void));
97
98/* Functions from braces.c. */
99#if defined (BRACE_EXPANSION)
100extern char **brace_expand __P((char *));
101#endif
102
103/* Miscellaneous functions from parse.y */
104extern int yyparse __P((void));
105extern int return_EOF __P((void));
106extern char *xparse_dolparen __P((char *, char *, int *, int));
107extern void reset_parser __P((void));
108extern WORD_LIST *parse_string_to_word_list __P((char *, int, const char *));
109
110extern int parser_in_command_position __P((void));
111
112extern void free_pushed_string_input __P((void));
113
114extern int parser_expanding_alias __P((void));
115extern void parser_save_alias __P((void));
116extern void parser_restore_alias __P((void));
117
118extern char *decode_prompt_string __P((char *));
119
120extern int get_current_prompt_level __P((void));
121extern void set_current_prompt_level __P((int));
122
123#if defined (HISTORY)
124extern char *history_delimiting_chars __P((const char *));
125#endif
126
127/* Declarations for functions defined in locale.c */
128extern void set_default_locale __P((void));
129extern void set_default_locale_vars __P((void));
130extern int set_locale_var __P((char *, char *));
131extern int set_lang __P((char *, char *));
132extern void set_default_lang __P((void));
133extern char *get_locale_var __P((char *));
134extern char *localetrans __P((char *, int, int *));
135extern char *mk_msgstr __P((char *, int *));
136extern char *localeexpand __P((char *, int, int, int, int *));
137
138/* Declarations for functions defined in list.c. */
139extern void list_walk __P((GENERIC_LIST *, sh_glist_func_t *));
140extern void wlist_walk __P((WORD_LIST *, sh_icpfunc_t *));
141extern GENERIC_LIST *list_reverse ();
142extern int list_length ();
143extern GENERIC_LIST *list_append ();
144extern GENERIC_LIST *list_remove ();
145
146/* Declarations for functions defined in stringlib.c */
147extern int find_string_in_alist __P((char *, STRING_INT_ALIST *, int));
148extern char *find_token_in_alist __P((int, STRING_INT_ALIST *, int));
149extern int find_index_in_alist __P((char *, STRING_INT_ALIST *, int));
150
151extern char *substring __P((const char *, int, int));
152extern char *strsub __P((char *, char *, char *, int));
153extern char *strcreplace __P((char *, int, char *, int));
154extern void strip_leading __P((char *));
155extern void strip_trailing __P((char *, int, int));
156extern void xbcopy __P((char *, char *, int));
157
158/* Functions from version.c. */
159extern char *shell_version_string __P((void));
160extern void show_shell_version __P((int));
161
162/* Functions from the bash library, lib/sh/libsh.a. These should really
163 go into a separate include file. */
164
165/* declarations for functions defined in lib/sh/casemod.c */
166extern char *sh_modcase __P((const char *, char *, int));
167
168/* Defines for flags argument to sh_modcase. These need to agree with what's
169 in lib/sh/casemode.c */
170#define CASE_LOWER 0x0001
171#define CASE_UPPER 0x0002
172#define CASE_CAPITALIZE 0x0004
173#define CASE_UNCAP 0x0008
174#define CASE_TOGGLE 0x0010
175#define CASE_TOGGLEALL 0x0020
176#define CASE_UPFIRST 0x0040
177#define CASE_LOWFIRST 0x0080
178
179#define CASE_USEWORDS 0x1000
180
181/* declarations for functions defined in lib/sh/clktck.c */
182extern long get_clk_tck __P((void));
183
184/* declarations for functions defined in lib/sh/clock.c */
185extern void clock_t_to_secs ();
186extern void print_clock_t ();
187
188/* Declarations for functions defined in lib/sh/dprintf.c */
189#if !defined (HAVE_DPRINTF)
190extern void dprintf __P((int, const char *, ...)) __attribute__((__format__ (printf, 2, 3)));
191#endif
192
193/* Declarations for functions defined in lib/sh/fmtulong.c */
194#define FL_PREFIX 0x01 /* add 0x, 0X, or 0 prefix as appropriate */
195#define FL_ADDBASE 0x02 /* add base# prefix to converted value */
196#define FL_HEXUPPER 0x04 /* use uppercase when converting to hex */
197#define FL_UNSIGNED 0x08 /* don't add any sign */
198
199extern char *fmtulong __P((unsigned long int, int, char *, size_t, int));
200
201/* Declarations for functions defined in lib/sh/fmtulong.c */
202#if defined (HAVE_LONG_LONG)
203extern char *fmtullong __P((unsigned long long int, int, char *, size_t, int));
204#endif
205
206/* Declarations for functions defined in lib/sh/fmtumax.c */
207extern char *fmtumax __P((uintmax_t, int, char *, size_t, int));
208
209/* Declarations for functions defined in lib/sh/fnxform.c */
210extern char *fnx_fromfs __P((char *, size_t));
211extern char *fnx_tofs __P((char *, size_t));
212
213/* Declarations for functions defined in lib/sh/fpurge.c */
214
215#if defined NEED_FPURGE_DECL
216#if !HAVE_DECL_FPURGE
217
218#if HAVE_FPURGE
219# define fpurge _bash_fpurge
220#endif
221extern int fpurge __P((FILE *stream));
222
223#endif /* HAVE_DECL_FPURGE */
224#endif /* NEED_FPURGE_DECL */
225
226/* Declarations for functions defined in lib/sh/getcwd.c */
227#if !defined (HAVE_GETCWD)
228extern char *getcwd __P((char *, size_t));
229#endif
230
231/* Declarations for functions defined in lib/sh/input_avail.c */
232extern int input_avail __P((int));
233
234/* Declarations for functions defined in lib/sh/itos.c */
235extern char *inttostr __P((intmax_t, char *, size_t));
236extern char *itos __P((intmax_t));
237extern char *mitos __P((intmax_t));
238extern char *uinttostr __P((uintmax_t, char *, size_t));
239extern char *uitos __P((uintmax_t));
240
241/* declarations for functions defined in lib/sh/makepath.c */
242#define MP_DOTILDE 0x01
243#define MP_DOCWD 0x02
244#define MP_RMDOT 0x04
245#define MP_IGNDOT 0x08
246
247extern char *sh_makepath __P((const char *, const char *, int));
248
249/* declarations for functions defined in lib/sh/mbscasecmp.c */
250#if !defined (HAVE_MBSCASECMP)
251extern char *mbscasecmp __P((const char *, const char *));
252#endif
253
254/* declarations for functions defined in lib/sh/mbschr.c */
255#if !defined (HAVE_MBSCHR)
256extern char *mbschr __P((const char *, int));
257#endif
258
259/* declarations for functions defined in lib/sh/mbscmp.c */
260#if !defined (HAVE_MBSCMP)
261extern char *mbscmp __P((const char *, const char *));
262#endif
263
264/* declarations for functions defined in lib/sh/netconn.c */
265extern int isnetconn __P((int));
266
267/* declarations for functions defined in lib/sh/netopen.c */
268extern int netopen __P((char *));
269
270/* Declarations for functions defined in lib/sh/oslib.c */
271
272#if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
273extern int dup2 __P((int, int));
274#endif
275
276#if !defined (HAVE_GETDTABLESIZE)
277extern int getdtablesize __P((void));
278#endif /* !HAVE_GETDTABLESIZE */
279
280#if !defined (HAVE_GETHOSTNAME)
281extern int gethostname __P((char *, int));
282#endif /* !HAVE_GETHOSTNAME */
283
284extern int getmaxgroups __P((void));
285extern long getmaxchild __P((void));
286
287/* declarations for functions defined in lib/sh/pathcanon.c */
288#define PATH_CHECKDOTDOT 0x0001
289#define PATH_CHECKEXISTS 0x0002
290#define PATH_HARDPATH 0x0004
291#define PATH_NOALLOC 0x0008
292
293extern char *sh_canonpath __P((char *, int));
294
295/* declarations for functions defined in lib/sh/pathphys.c */
296extern char *sh_physpath __P((char *, int));
297extern char *sh_realpath __P((const char *, char *));
298
299/* declarations for functions defined in lib/sh/setlinebuf.c */
300#ifdef NEED_SH_SETLINEBUF_DECL
301extern int sh_setlinebuf __P((FILE *));
302#endif
303
304/* declarations for functions defined in lib/sh/shaccess.c */
305extern int sh_eaccess __P((char *, int));
306
307/* declarations for functions defined in lib/sh/shmatch.c */
308extern int sh_regmatch __P((const char *, const char *, int));
309
310/* defines for flags argument to sh_regmatch. */
311#define SHMAT_SUBEXP 0x001 /* save subexpressions in SH_REMATCH */
312#define SHMAT_PWARN 0x002 /* print a warning message on invalid regexp */
313
314/* declarations for functions defined in lib/sh/shmbchar.c */
315extern size_t mbstrlen __P((const char *));
316extern char *mbsmbchar __P((const char *));
317extern int sh_mbsnlen __P((const char *, size_t, int));
318
319/* declarations for functions defined in lib/sh/shquote.c */
320extern char *sh_single_quote __P((const char *));
321extern char *sh_double_quote __P((const char *));
322extern char *sh_mkdoublequoted __P((const char *, int, int));
323extern char *sh_un_double_quote __P((char *));
324extern char *sh_backslash_quote __P((char *, const char *, int));
325extern char *sh_backslash_quote_for_double_quotes __P((char *));
326extern int sh_contains_shell_metas __P((char *));
327extern int sh_contains_quotes __P((char *));
328
329/* declarations for functions defined in lib/sh/spell.c */
330extern int spname __P((char *, char *));
331extern char *dirspell __P((char *));
332
333/* declarations for functions defined in lib/sh/strcasecmp.c */
334#if !defined (HAVE_STRCASECMP)
335extern int strncasecmp __P((const char *, const char *, int));
336extern int strcasecmp __P((const char *, const char *));
337#endif /* HAVE_STRCASECMP */
338
339/* declarations for functions defined in lib/sh/strcasestr.c */
340#if ! HAVE_STRCASESTR
341extern char *strcasestr __P((const char *, const char *));
342#endif
343
344/* declarations for functions defined in lib/sh/strchrnul.c */
345#if ! HAVE_STRCHRNUL
346extern char *strchrnul __P((const char *, int));
347#endif
348
349/* declarations for functions defined in lib/sh/strerror.c */
350#if !defined (HAVE_STRERROR) && !defined (strerror)
351extern char *strerror __P((int));
352#endif
353
354/* declarations for functions defined in lib/sh/strftime.c */
355#if !defined (HAVE_STRFTIME) && defined (NEED_STRFTIME_DECL)
356extern size_t strftime __P((char *, size_t, const char *, const struct tm *));
357#endif
358
359/* declarations for functions and structures defined in lib/sh/stringlist.c */
360
361/* This is a general-purpose argv-style array struct. */
362typedef struct _list_of_strings {
363 char **list;
364 int list_size;
365 int list_len;
366} STRINGLIST;
367
368typedef int sh_strlist_map_func_t __P((char *));
369
370extern STRINGLIST *strlist_create __P((int));
371extern STRINGLIST *strlist_resize __P((STRINGLIST *, int));
372extern void strlist_flush __P((STRINGLIST *));
373extern void strlist_dispose __P((STRINGLIST *));
374extern int strlist_remove __P((STRINGLIST *, char *));
375extern STRINGLIST *strlist_copy __P((STRINGLIST *));
376extern STRINGLIST *strlist_merge __P((STRINGLIST *, STRINGLIST *));
377extern STRINGLIST *strlist_append __P((STRINGLIST *, STRINGLIST *));
378extern STRINGLIST *strlist_prefix_suffix __P((STRINGLIST *, char *, char *));
379extern void strlist_print __P((STRINGLIST *, char *));
380extern void strlist_walk __P((STRINGLIST *, sh_strlist_map_func_t *));
381extern void strlist_sort __P((STRINGLIST *));
382
383/* declarations for functions defined in lib/sh/stringvec.c */
384
385extern char **strvec_create __P((int));
386extern char **strvec_resize __P((char **, int));
387extern char **strvec_mcreate __P((int));
388extern char **strvec_mresize __P((char **, int));
389extern void strvec_flush __P((char **));
390extern void strvec_dispose __P((char **));
391extern int strvec_remove __P((char **, char *));
392extern int strvec_len __P((char **));
393extern int strvec_search __P((char **, char *));
394extern char **strvec_copy __P((char **));
395extern int strvec_strcmp __P((char **, char **));
396extern void strvec_sort __P((char **));
397
398extern char **strvec_from_word_list __P((WORD_LIST *, int, int, int *));
399extern WORD_LIST *strvec_to_word_list __P((char **, int, int));
400
401/* declarations for functions defined in lib/sh/strnlen.c */
402#if !defined (HAVE_STRNLEN)
403extern size_t strnlen __P((const char *, size_t));
404#endif
405
406/* declarations for functions defined in lib/sh/strpbrk.c */
407#if !defined (HAVE_STRPBRK)
408extern char *strpbrk __P((const char *, const char *));
409#endif
410
411/* declarations for functions defined in lib/sh/strtod.c */
412#if !defined (HAVE_STRTOD)
413extern double strtod __P((const char *, char **));
414#endif
415
416/* declarations for functions defined in lib/sh/strtol.c */
417#if !HAVE_DECL_STRTOL
418extern long strtol __P((const char *, char **, int));
419#endif
420
421/* declarations for functions defined in lib/sh/strtoll.c */
422#if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOLL
423extern long long strtoll __P((const char *, char **, int));
424#endif
425
426/* declarations for functions defined in lib/sh/strtoul.c */
427#if !HAVE_DECL_STRTOUL
428extern unsigned long strtoul __P((const char *, char **, int));
429#endif
430
431/* declarations for functions defined in lib/sh/strtoull.c */
432#if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOULL
433extern unsigned long long strtoull __P((const char *, char **, int));
434#endif
435
436/* declarations for functions defined in lib/sh/strimax.c */
437#if !HAVE_DECL_STRTOIMAX
438extern intmax_t strtoimax __P((const char *, char **, int));
439#endif
440
441/* declarations for functions defined in lib/sh/strumax.c */
442#if !HAVE_DECL_STRTOUMAX
443extern uintmax_t strtoumax __P((const char *, char **, int));
444#endif
445
446/* declarations for functions defined in lib/sh/strtrans.c */
447extern char *ansicstr __P((char *, int, int, int *, int *));
448extern char *ansic_quote __P((char *, int, int *));
449extern int ansic_shouldquote __P((const char *));
450extern char *ansiexpand __P((char *, int, int, int *));
451
452/* declarations for functions defined in lib/sh/timeval.c. No prototypes
453 so we don't have to count on having a definition of struct timeval in
454 scope when this file is included. */
455extern void timeval_to_secs ();
456extern void print_timeval ();
457
458/* declarations for functions defined in lib/sh/tmpfile.c */
459#define MT_USETMPDIR 0x0001
460#define MT_READWRITE 0x0002
461#define MT_USERANDOM 0x0004
462
463extern char *sh_mktmpname __P((char *, int));
464extern int sh_mktmpfd __P((char *, int, char **));
465/* extern FILE *sh_mktmpfp __P((char *, int, char **)); */
466
467/* declarations for functions defined in lib/sh/uconvert.c */
468extern int uconvert __P((char *, long *, long *));
469
470/* declarations for functions defined in lib/sh/ufuncs.c */
471extern unsigned int falarm __P((unsigned int, unsigned int));
472extern unsigned int fsleep __P((unsigned int, unsigned int));
473
474/* declarations for functions defined in lib/sh/unicode.c */
475extern int u32cconv __P((unsigned long, char *));
476extern void u32reset __P((void));
477
478/* declarations for functions defined in lib/sh/wcsnwidth.c */
479#if defined (HANDLE_MULTIBYTE)
480extern int wcsnwidth __P((const wchar_t *, size_t, int));
481#endif
482
483/* declarations for functions defined in lib/sh/winsize.c */
484extern void get_new_window_size __P((int, int *, int *));
485
486/* declarations for functions defined in lib/sh/zcatfd.c */
487extern int zcatfd __P((int, int, char *));
488
489/* declarations for functions defined in lib/sh/zgetline.c */
490extern ssize_t zgetline __P((int, char **, size_t *, int));
491
492/* declarations for functions defined in lib/sh/zmapfd.c */
493extern int zmapfd __P((int, char **, char *));
494
495/* declarations for functions defined in lib/sh/zread.c */
496extern ssize_t zread __P((int, char *, size_t));
497extern ssize_t zreadretry __P((int, char *, size_t));
498extern ssize_t zreadintr __P((int, char *, size_t));
499extern ssize_t zreadc __P((int, char *));
500extern ssize_t zreadcintr __P((int, char *));
501extern ssize_t zreadn __P((int, char *, size_t));
502extern void zreset __P((void));
503extern void zsyncfd __P((int));
504
505/* declarations for functions defined in lib/sh/zwrite.c */
506extern int zwrite __P((int, char *, size_t));
507
508/* declarations for functions defined in lib/glob/gmisc.c */
509extern int match_pattern_char __P((char *, char *));
510extern int umatchlen __P((char *, size_t));
511
512#if defined (HANDLE_MULTIBYTE)
513extern int match_pattern_wchar __P((wchar_t *, wchar_t *));
514extern int wmatchlen __P((wchar_t *, size_t));
515#endif
516
517#endif /* _EXTERNS_H_ */
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