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[thirdparty/bash.git] / externs.h
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1/* externs.h -- extern function declarations which do not appear in their
2 own header file. */
3
95732b49 4/* Copyright (C) 1993-2005 Free Software Foundation, Inc.
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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 it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
11 version.
12
13 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with Bash; see the file COPYING. If not, write to the Free Software
bb70624e 20 Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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21
22/* Make sure that this is included *after* config.h! */
23
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24#if !defined (_EXTERNS_H_)
25# define _EXTERNS_H_
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26
27#include "stdc.h"
28
29/* Functions from expr.c. */
7117c2d2 30extern intmax_t evalexp __P((char *, int *));
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31
32/* Functions from print_cmd.c. */
33extern char *make_command_string __P((COMMAND *));
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34extern char *named_function_string __P((char *, COMMAND *, int));
35
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36extern void print_command __P((COMMAND *));
37extern void print_simple_command __P((SIMPLE_COM *));
ccc6cda3 38extern void print_word_list __P((WORD_LIST *, char *));
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39
40/* debugger support */
41extern void print_for_command_head __P((FOR_COM *));
42#if defined (SELECT_COMMAND)
43extern void print_select_command_head __P((SELECT_COM *));
44#endif
45extern void print_case_command_head __P((CASE_COM *));
46#if defined (DPAREN_ARITHMETIC)
47extern void print_arith_command __P((WORD_LIST *));
48#endif
49#if defined (COND_COMMAND)
50extern void print_cond_command __P((COND_COM *));
51#endif
52
53/* set -x support */
7117c2d2 54extern char *indirection_level_string __P((void));
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55extern void xtrace_print_assignment __P((char *, char *, int, int));
56extern void xtrace_print_word_list __P((WORD_LIST *, int));
57extern void xtrace_print_for_command_head __P((FOR_COM *));
58#if defined (SELECT_COMMAND)
59extern void xtrace_print_select_command_head __P((SELECT_COM *));
60#endif
61extern void xtrace_print_case_command_head __P((CASE_COM *));
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62#if defined (DPAREN_ARITHMETIC)
63extern void xtrace_print_arith_cmd __P((WORD_LIST *));
64#endif
65#if defined (COND_COMMAND)
66extern void xtrace_print_cond_term __P((int, int, WORD_DESC *, char *, char *));
67#endif
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68
69/* Functions from shell.c. */
f73dda09 70extern void exit_shell __P((int)) __attribute__((__noreturn__));
7117c2d2 71extern void sh_exit __P((int)) __attribute__((__noreturn__));
ccc6cda3 72extern void disable_priv_mode __P((void));
d166f048 73extern void unbind_args __P((void));
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74
75#if defined (RESTRICTED_SHELL)
b72432fd 76extern int shell_is_restricted __P((char *));
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77extern int maybe_make_restricted __P((char *));
78#endif
79
cce855bc 80extern void unset_bash_input __P((int));
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81extern void get_current_user_info __P((void));
82
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83/* Functions from eval.c. */
84extern int reader_loop __P((void));
85extern int parse_command __P((void));
86extern int read_command __P((void));
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87
88/* Functions from braces.c. */
89#if defined (BRACE_EXPANSION)
90extern char **brace_expand __P((char *));
91#endif
92
ccc6cda3 93/* Miscellaneous functions from parse.y */
bb70624e 94extern int yyparse __P((void));
f73dda09 95extern int return_EOF __P((void));
bb70624e 96extern void reset_parser __P((void));
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97extern WORD_LIST *parse_string_to_word_list __P((char *, int, const char *));
98
99extern void free_pushed_string_input __P((void));
bb70624e 100
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101extern char *decode_prompt_string __P((char *));
102
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103extern int get_current_prompt_level __P((void));
104extern void set_current_prompt_level __P((int));
ccc6cda3 105
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106#if defined (HISTORY)
107extern char *history_delimiting_chars __P((void));
108#endif
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109
110/* Declarations for functions defined in locale.c */
111extern void set_default_locale __P((void));
112extern void set_default_locale_vars __P((void));
113extern int set_locale_var __P((char *, char *));
114extern int set_lang __P((char *, char *));
0628567a 115extern void set_default_lang __P((void));
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116extern char *get_locale_var __P((char *));
117extern char *localetrans __P((char *, int, int *));
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118extern char *mk_msgstr __P((char *, int *));
119extern char *localeexpand __P((char *, int, int, int, int *));
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120
121/* Declarations for functions defined in list.c. */
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122extern void list_walk __P((GENERIC_LIST *, sh_glist_func_t *));
123extern void wlist_walk __P((WORD_LIST *, sh_icpfunc_t *));
124extern GENERIC_LIST *list_reverse ();
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125extern int list_length ();
126extern GENERIC_LIST *list_append ();
7117c2d2 127extern GENERIC_LIST *list_remove ();
ccc6cda3 128
cce855bc 129/* Declarations for functions defined in stringlib.c */
bb70624e 130extern int find_string_in_alist __P((char *, STRING_INT_ALIST *, int));
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131extern char *find_token_in_alist __P((int, STRING_INT_ALIST *, int));
132extern int find_index_in_alist __P((char *, STRING_INT_ALIST *, int));
bb70624e 133
7117c2d2 134extern char *substring __P((char *, int, int));
cce855bc 135extern char *strsub __P((char *, char *, char *, int));
bb70624e 136extern char *strcreplace __P((char *, int, char *, int));
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137extern void strip_leading __P((char *));
138extern void strip_trailing __P((char *, int, int));
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139extern void xbcopy __P((char *, char *, int));
140
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141/* Functions from version.c. */
142extern char *shell_version_string __P((void));
143extern void show_shell_version __P((int));
144
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145/* Functions from the bash library, lib/sh/libsh.a. These should really
146 go into a separate include file. */
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147
148/* declarations for functions defined in lib/sh/clktck.c */
149extern long get_clk_tck __P((void));
150
151/* declarations for functions defined in lib/sh/clock.c */
152extern void clock_t_to_secs ();
153extern void print_clock_t ();
154
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155/* Declarations for functions defined in lib/sh/fmtulong.c */
156#define FL_PREFIX 0x01 /* add 0x, 0X, or 0 prefix as appropriate */
157#define FL_ADDBASE 0x02 /* add base# prefix to converted value */
158#define FL_HEXUPPER 0x04 /* use uppercase when converting to hex */
159#define FL_UNSIGNED 0x08 /* don't add any sign */
160
161extern char *fmtulong __P((unsigned long int, int, char *, size_t, int));
162
163/* Declarations for functions defined in lib/sh/fmtulong.c */
164#if defined (HAVE_LONG_LONG)
165extern char *fmtullong __P((unsigned long long int, int, char *, size_t, int));
166#endif
167
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168/* Declarations for functions defined in lib/sh/fmtumax.c */
169extern char *fmtumax __P((uintmax_t, int, char *, size_t, int));
170
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171/* Declarations for functions defined in lib/sh/getcwd.c */
172#if !defined (HAVE_GETCWD)
173extern char *getcwd __P((char *, size_t));
174#endif
175
176/* Declarations for functions defined in lib/sh/itos.c */
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177extern char *inttostr __P((intmax_t, char *, size_t));
178extern char *itos __P((intmax_t));
179extern char *uinttostr __P((uintmax_t, char *, size_t));
180extern char *uitos __P((uintmax_t));
cce855bc 181
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182/* declarations for functions defined in lib/sh/makepath.c */
183#define MP_DOTILDE 0x01
184#define MP_DOCWD 0x02
185#define MP_RMDOT 0x04
ccc6cda3 186
f73dda09 187extern char *sh_makepath __P((const char *, const char *, int));
ccc6cda3 188
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189/* declarations for functions defined in lib/sh/netconn.c */
190extern int isnetconn __P((int));
191
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192/* declarations for functions defined in lib/sh/netopen.c */
193extern int netopen __P((char *));
194
195/* Declarations for functions defined in lib/sh/oslib.c */
ccc6cda3 196
7117c2d2 197#if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
ccc6cda3 198extern int dup2 __P((int, int));
7117c2d2 199#endif
726f6388 200
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201#if !defined (HAVE_GETDTABLESIZE)
202extern int getdtablesize __P((void));
203#endif /* !HAVE_GETDTABLESIZE */
204
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205#if !defined (HAVE_GETHOSTNAME)
206extern int gethostname __P((char *, int));
207#endif /* !HAVE_GETHOSTNAME */
208
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209extern int getmaxgroups __P((void));
210extern long getmaxchild __P((void));
211
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212/* declarations for functions defined in lib/sh/pathcanon.c */
213#define PATH_CHECKDOTDOT 0x0001
214#define PATH_CHECKEXISTS 0x0002
215#define PATH_HARDPATH 0x0004
216#define PATH_NOALLOC 0x0008
217
218extern char *sh_canonpath __P((char *, int));
219
220/* declarations for functions defined in lib/sh/pathphys.c */
221extern char *sh_physpath __P((char *, int));
222extern char *sh_realpath __P((const char *, char *));
ccc6cda3 223
28ef6c31 224/* declarations for functions defined in lib/sh/setlinebuf.c */
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225#ifdef NEED_SH_SETLINEBUF_DECL
226extern int sh_setlinebuf __P((FILE *));
ccc6cda3 227#endif
726f6388 228
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229/* declarations for functions defined in lib/sh/shaccess.c */
230extern int sh_eaccess __P((char *, int));
231
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232/* declarations for functions defined in lib/sh/shmatch.c */
233extern int sh_regmatch __P((const char *, const char *, int));
234
235/* defines for flags argument to sh_regmatch. */
236#define SHMAT_SUBEXP 0x001 /* save subexpressions in SH_REMATCH */
237#define SHMAT_PWARN 0x002 /* print a warning message on invalid regexp */
238
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239/* declarations for functions defined in lib/sh/shquote.c */
240extern char *sh_single_quote __P((char *));
241extern char *sh_double_quote __P((char *));
95732b49 242extern char *sh_mkdoublequoted __P((const char *, int, int));
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243extern char *sh_un_double_quote __P((char *));
244extern char *sh_backslash_quote __P((char *));
245extern char *sh_backslash_quote_for_double_quotes __P((char *));
246extern int sh_contains_shell_metas __P((char *));
247
248/* declarations for functions defined in lib/sh/spell.c */
249extern int spname __P((char *, char *));
250
251/* declarations for functions defined in lib/sh/strcasecmp.c */
252#if !defined (HAVE_STRCASECMP)
253extern int strncasecmp __P((const char *, const char *, int));
254extern int strcasecmp __P((const char *, const char *));
255#endif /* HAVE_STRCASECMP */
256
257/* declarations for functions defined in lib/sh/strerror.c */
0628567a 258#if !defined (HAVE_STRERROR) && !defined (strerror)
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259extern char *strerror __P((int));
260#endif
261
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262/* declarations for functions defined in lib/sh/strftime.c */
263#if !defined (HAVE_STRFTIME) && defined (NEED_STRFTIME_DECL)
264extern size_t strftime __P((char *, size_t, const char *, const struct tm *));
265#endif
266
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267/* declarations for functions defined in lib/sh/strindex.c */
268extern char *strindex __P((const char *, const char *));
269
270/* declarations for functions and structures defined in lib/sh/stringlist.c */
271
272/* This is a general-purpose argv-style array struct. */
273typedef struct _list_of_strings {
274 char **list;
275 int list_size;
276 int list_len;
277} STRINGLIST;
278
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279typedef int sh_strlist_map_func_t __P((char *));
280
281extern STRINGLIST *strlist_create __P((int));
282extern STRINGLIST *strlist_resize __P((STRINGLIST *, int));
283extern void strlist_flush __P((STRINGLIST *));
284extern void strlist_dispose __P((STRINGLIST *));
285extern int strlist_remove __P((STRINGLIST *, char *));
286extern STRINGLIST *strlist_copy __P((STRINGLIST *));
287extern STRINGLIST *strlist_merge __P((STRINGLIST *, STRINGLIST *));
288extern STRINGLIST *strlist_append __P((STRINGLIST *, STRINGLIST *));
289extern STRINGLIST *strlist_prefix_suffix __P((STRINGLIST *, char *, char *));
290extern void strlist_print __P((STRINGLIST *, char *));
291extern void strlist_walk __P((STRINGLIST *, sh_strlist_map_func_t *));
292extern void strlist_sort __P((STRINGLIST *));
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293
294/* declarations for functions defined in lib/sh/stringvec.c */
295
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296extern char **strvec_create __P((int));
297extern char **strvec_resize __P((char **, int));
298extern void strvec_flush __P((char **));
299extern void strvec_dispose __P((char **));
300extern int strvec_remove __P((char **, char *));
301extern int strvec_len __P((char **));
302extern int strvec_search __P((char **, char *));
303extern char **strvec_copy __P((char **));
304extern int strvec_strcmp __P((char **, char **));
305extern void strvec_sort __P((char **));
306
307extern char **strvec_from_word_list __P((WORD_LIST *, int, int, int *));
308extern WORD_LIST *strvec_to_word_list __P((char **, int, int));
28ef6c31 309
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310/* declarations for functions defined in lib/sh/strnlen.c */
311#if !defined (HAVE_STRNLEN)
312extern size_t strnlen __P((const char *, size_t));
313#endif
314
315/* declarations for functions defined in lib/sh/strpbrk.c */
316#if !defined (HAVE_STRPBRK)
317extern char *strpbrk __P((const char *, const char *));
318#endif
319
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320/* declarations for functions defined in lib/sh/strtod.c */
321#if !defined (HAVE_STRTOD)
322extern double strtod __P((const char *, char **));
323#endif
ccc6cda3 324
cce855bc 325/* declarations for functions defined in lib/sh/strtol.c */
f73dda09 326#if !HAVE_DECL_STRTOL
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327extern long strtol __P((const char *, char **, int));
328#endif
329
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330/* declarations for functions defined in lib/sh/strtoll.c */
331#if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOLL
332extern long long strtoll __P((const char *, char **, int));
333#endif
334
cce855bc 335/* declarations for functions defined in lib/sh/strtoul.c */
f73dda09 336#if !HAVE_DECL_STRTOUL
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337extern unsigned long strtoul __P((const char *, char **, int));
338#endif
ccc6cda3 339
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340/* declarations for functions defined in lib/sh/strtoull.c */
341#if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOULL
342extern unsigned long long strtoull __P((const char *, char **, int));
343#endif
344
345/* declarations for functions defined in lib/sh/strimax.c */
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346#if !HAVE_DECL_STRTOIMAX
347extern intmax_t strtoimax __P((const char *, char **, int));
348#endif
349
350/* declarations for functions defined in lib/sh/strumax.c */
351#if !HAVE_DECL_STRTOUMAX
352extern uintmax_t strtoumax __P((const char *, char **, int));
353#endif
354
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355/* declarations for functions defined in lib/sh/strtrans.c */
356extern char *ansicstr __P((char *, int, int, int *, int *));
357extern char *ansic_quote __P((char *, int, int *));
f73dda09 358extern int ansic_shouldquote __P((const char *));
7117c2d2 359extern char *ansiexpand __P((char *, int, int, int *));
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360
361/* declarations for functions defined in lib/sh/timeval.c. No prototypes
362 so we don't have to count on having a definition of struct timeval in
363 scope when this file is included. */
364extern void timeval_to_secs ();
365extern void print_timeval ();
366
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367/* declarations for functions defined in lib/sh/tmpfile.c */
368#define MT_USETMPDIR 0x0001
369#define MT_READWRITE 0x0002
370#define MT_USERANDOM 0x0004
bb70624e 371
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372extern char *sh_mktmpname __P((char *, int));
373extern int sh_mktmpfd __P((char *, int, char **));
374/* extern FILE *sh_mktmpfp __P((char *, int, char **)); */
bb70624e 375
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376/* declarations for functions defined in lib/sh/winsize.c */
377extern void get_new_window_size __P((int, int *, int *));
378
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379/* declarations for functions defined in lib/sh/xstrchr.c */
380#undef xstrchr
381extern char *xstrchr __P((const char *, int));
382
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383/* declarations for functions defined in lib/sh/zcatfd.c */
384extern int zcatfd __P((int, int, char *));
385
28ef6c31 386/* declarations for functions defined in lib/sh/zread.c */
f73dda09 387extern ssize_t zread __P((int, char *, size_t));
7117c2d2 388extern ssize_t zreadintr __P((int, char *, size_t));
f73dda09 389extern ssize_t zreadc __P((int, char *));
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390extern void zreset __P((void));
391extern void zsyncfd __P((int));
392
393/* declarations for functions defined in lib/sh/zwrite.c */
f73dda09 394extern int zwrite __P((int, char *, size_t));
bb70624e 395
ccc6cda3 396#endif /* _EXTERNS_H_ */