1/* externs.h -- extern function declarations which do not appear in their
2   own header file. */
3
4/* Copyright (C) 1993-2005 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 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
20   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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. */
33extern char *make_command_string __P((COMMAND *));
34extern char *named_function_string __P((char *, COMMAND *, int));
35
36extern void print_command __P((COMMAND *));
37extern void print_simple_command __P((SIMPLE_COM *));
38extern void print_word_list __P((WORD_LIST *, char *));
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 */
54extern char *indirection_level_string __P((void));
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 *));
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
68
69/* Functions from shell.c. */
70extern void exit_shell __P((int)) __attribute__((__noreturn__));
71extern void sh_exit __P((int)) __attribute__((__noreturn__));
72extern void disable_priv_mode __P((void));
73extern void unbind_args __P((void));
74
75#if defined (RESTRICTED_SHELL)
76extern int shell_is_restricted __P((char *));
77extern int maybe_make_restricted __P((char *));
78#endif
79
80extern void unset_bash_input __P((int));
81extern void get_current_user_info __P((void));
82
83/* Functions from eval.c. */
84extern int reader_loop __P((void));
85extern int parse_command __P((void));
86extern int read_command __P((void));
87
88/* Functions from braces.c. */
89#if defined (BRACE_EXPANSION)
90extern char **brace_expand __P((char *));
91#endif
92
93/* Miscellaneous functions from parse.y */
94extern int yyparse __P((void));
95extern int return_EOF __P((void));
96extern void reset_parser __P((void));
97extern WORD_LIST *parse_string_to_word_list __P((char *, int, const char *));
98
99extern void free_pushed_string_input __P((void));
100
101extern char *decode_prompt_string __P((char *));
102
103extern int get_current_prompt_level __P((void));
104extern void set_current_prompt_level __P((int));
105
106#if defined (HISTORY)
107extern char *history_delimiting_chars __P((void));
108#endif
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 *));
115extern void set_default_lang __P((void));
116extern char *get_locale_var __P((char *));
117extern char *localetrans __P((char *, int, int *));
118extern char *mk_msgstr __P((char *, int *));
119extern char *localeexpand __P((char *, int, int, int, int *));
120
121/* Declarations for functions defined in list.c. */
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 (GENERIC_LIST *);
125extern int list_length (GENERIC_LIST*);
126extern GENERIC_LIST *list_append (GENERIC_LIST*, GENERIC_LIST*);
127extern GENERIC_LIST *list_remove (GENERIC_LIST**, Function*, char**);
128
129/* Declarations for functions defined in stringlib.c */
130extern int find_string_in_alist __P((char *, STRING_INT_ALIST *, int));
131extern char *find_token_in_alist __P((int, STRING_INT_ALIST *, int));
132extern int find_index_in_alist __P((char *, STRING_INT_ALIST *, int));
133
134extern char *substring __P((char *, int, int));
135extern char *strsub __P((char *, char *, char *, int));
136extern char *strcreplace __P((char *, int, char *, int));
137extern void strip_leading __P((char *));
138extern void strip_trailing __P((char *, int, int));
139extern void xbcopy __P((char *, char *, int));
140
141/* Functions from version.c. */
142extern char *shell_version_string __P((void));
143extern void show_shell_version __P((int));
144
145/* Functions from the bash library, lib/sh/libsh.a.  These should really
146   go into a separate include file. */
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
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
168/* Declarations for functions defined in lib/sh/fmtumax.c */
169extern char *fmtumax __P((uintmax_t, int, char *, size_t, int));
170
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 */
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));
181
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
186
187extern char *sh_makepath __P((const char *, const char *, int));
188
189/* declarations for functions defined in lib/sh/netconn.c */
190extern int isnetconn __P((int));
191
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 */
196
197#if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
198extern int dup2 __P((int, int));
199#endif
200
201#if !defined (HAVE_GETDTABLESIZE)
202extern int getdtablesize __P((void));
203#endif /* !HAVE_GETDTABLESIZE */
204
205#if !defined (HAVE_GETHOSTNAME)
206extern int gethostname __P((char *, int));
207#endif /* !HAVE_GETHOSTNAME */
208
209extern int getmaxgroups __P((void));
210extern long getmaxchild __P((void));
211
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 *));
223
224/* declarations for functions defined in lib/sh/setlinebuf.c */
225#ifdef NEED_SH_SETLINEBUF_DECL
226extern int sh_setlinebuf __P((FILE *));
227#endif
228
229/* declarations for functions defined in lib/sh/shaccess.c */
230extern int sh_eaccess __P((char *, int));
231
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
239/* declarations for functions defined in lib/sh/shquote.c */
240extern char *sh_single_quote __P((char *));
241extern char *sh_double_quote __P((char *));
242extern char *sh_mkdoublequoted __P((const char *, int, int));
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 */
258#if !defined (HAVE_STRERROR) && !defined (strerror)
259extern char *strerror __P((int));
260#endif
261
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
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
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 *));
293
294/* declarations for functions defined in lib/sh/stringvec.c */
295
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));
309
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
320/* declarations for functions defined in lib/sh/strtod.c */
321#if !defined (HAVE_STRTOD)
322extern double strtod __P((const char *, char **));
323#endif
324
325/* declarations for functions defined in lib/sh/strtol.c */
326#if !HAVE_DECL_STRTOL
327extern long strtol __P((const char *, char **, int));
328#endif
329
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
335/* declarations for functions defined in lib/sh/strtoul.c */
336#if !HAVE_DECL_STRTOUL
337extern unsigned long strtoul __P((const char *, char **, int));
338#endif
339
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 */
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
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 *));
358extern int ansic_shouldquote __P((const char *));
359extern char *ansiexpand __P((char *, int, int, int *));
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
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
371
372extern char *sh_mktmpname __P((char *, int));
373extern int sh_mktmpfd __P((char *, int, char **));
374/* extern FILE *sh_mktmpfp __P((char *, int, char **)); */
375
376/* declarations for functions defined in lib/sh/winsize.c */
377extern void get_new_window_size __P((int, int *, int *));
378
379/* declarations for functions defined in lib/sh/xstrchr.c */
380#undef xstrchr
381extern char *xstrchr __P((const char *, int));
382
383/* declarations for functions defined in lib/sh/zcatfd.c */
384extern int zcatfd __P((int, int, char *));
385
386/* declarations for functions defined in lib/sh/zread.c */
387extern ssize_t zread __P((int, char *, size_t));
388extern ssize_t zreadintr __P((int, char *, size_t));
389extern ssize_t zreadc __P((int, char *));
390extern void zreset __P((void));
391extern void zsyncfd __P((int));
392
393/* declarations for functions defined in lib/sh/zwrite.c */
394extern int zwrite __P((int, char *, size_t));
395
396#endif /* _EXTERNS_H_ */
397