externs.h

   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. */
  30 extern intmax_t evalexp __P((char *, int *));
  31
  32 /* Functions from print_cmd.c. */
  33 extern char *make_command_string __P((COMMAND *));
  34 extern char *named_function_string __P((char *, COMMAND *, int));
  35
  36 extern void print_command __P((COMMAND *));
  37 extern void print_simple_command __P((SIMPLE_COM *));
  38 extern void print_word_list __P((WORD_LIST *, char *));
  39
  40 /* debugger support */
  41 extern void print_for_command_head __P((FOR_COM *));
  42 #if defined (SELECT_COMMAND)
  43 extern void print_select_command_head __P((SELECT_COM *));
  44 #endif
  45 extern void print_case_command_head __P((CASE_COM *));
  46 #if defined (DPAREN_ARITHMETIC)
  47 extern void print_arith_command __P((WORD_LIST *));
  48 #endif
  49 #if defined (COND_COMMAND)
  50 extern void print_cond_command __P((COND_COM *));
  51 #endif
  52
  53 /* set -x support */
  54 extern char *indirection_level_string __P((void));
  55 extern void xtrace_print_assignment __P((char *, char *, int, int));
  56 extern void xtrace_print_word_list __P((WORD_LIST *, int));
  57 extern void xtrace_print_for_command_head __P((FOR_COM *));
  58 #if defined (SELECT_COMMAND)
  59 extern void xtrace_print_select_command_head __P((SELECT_COM *));
  60 #endif
  61 extern void xtrace_print_case_command_head __P((CASE_COM *));
  62 #if defined (DPAREN_ARITHMETIC)
  63 extern void xtrace_print_arith_cmd __P((WORD_LIST *));
  64 #endif
  65 #if defined (COND_COMMAND)
  66 extern void xtrace_print_cond_term __P((int, int, WORD_DESC *, char *, char *));
  67 #endif
  68
  69 /* Functions from shell.c. */
  70 extern void exit_shell __P((int)) __attribute__((__noreturn__));
  71 extern void sh_exit __P((int)) __attribute__((__noreturn__));
  72 extern void disable_priv_mode __P((void));
  73 extern void unbind_args __P((void));
  74
  75 #if defined (RESTRICTED_SHELL)
  76 extern int shell_is_restricted __P((char *));
  77 extern int maybe_make_restricted __P((char *));
  78 #endif
  79
  80 extern void unset_bash_input __P((int));
  81 extern void get_current_user_info __P((void));
  82
  83 /* Functions from eval.c. */
  84 extern int reader_loop __P((void));
  85 extern int parse_command __P((void));
  86 extern int read_command __P((void));
  87
  88 /* Functions from braces.c. */
  89 #if defined (BRACE_EXPANSION)
  90 extern char **brace_expand __P((char *));
  91 #endif
  92
  93 /* Miscellaneous functions from parse.y */
  94 extern int yyparse __P((void));
  95 extern int return_EOF __P((void));
  96 extern void reset_parser __P((void));
  97 extern WORD_LIST *parse_string_to_word_list __P((char *, int, const char *));
  98
  99 extern void free_pushed_string_input __P((void));
 100
 101 extern char *decode_prompt_string __P((char *));
 102
 103 extern int get_current_prompt_level __P((void));
 104 extern void set_current_prompt_level __P((int));
 105
 106 #if defined (HISTORY)
 107 extern char *history_delimiting_chars __P((void));
 108 #endif
 109
 110 /* Declarations for functions defined in locale.c */
 111 extern void set_default_locale __P((void));
 112 extern void set_default_locale_vars __P((void));
 113 extern int set_locale_var __P((char *, char *));
 114 extern int set_lang __P((char *, char *));
 115 extern void set_default_lang __P((void));
 116 extern char *get_locale_var __P((char *));
 117 extern char *localetrans __P((char *, int, int *));
 118 extern char *mk_msgstr __P((char *, int *));
 119 extern char *localeexpand __P((char *, int, int, int, int *));
 120
 121 /* Declarations for functions defined in list.c. */
 122 extern void list_walk __P((GENERIC_LIST *, sh_glist_func_t *));
 123 extern void wlist_walk __P((WORD_LIST *, sh_icpfunc_t *));
 124 extern GENERIC_LIST *list_reverse ();
 125 extern int list_length ();
 126 extern GENERIC_LIST *list_append ();
 127 extern GENERIC_LIST *list_remove ();
 128
 129 /* Declarations for functions defined in stringlib.c */
 130 extern int find_string_in_alist __P((char *, STRING_INT_ALIST *, int));
 131 extern char *find_token_in_alist __P((int, STRING_INT_ALIST *, int));
 132 extern int find_index_in_alist __P((char *, STRING_INT_ALIST *, int));
 133
 134 extern char *substring __P((char *, int, int));
 135 extern char *strsub __P((char *, char *, char *, int));
 136 extern char *strcreplace __P((char *, int, char *, int));
 137 extern void strip_leading __P((char *));
 138 extern void strip_trailing __P((char *, int, int));
 139 extern void xbcopy __P((char *, char *, int));
 140
 141 /* Functions from version.c. */
 142 extern char *shell_version_string __P((void));
 143 extern 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 */
 149 extern long get_clk_tck __P((void));
 150
 151 /* declarations for functions defined in lib/sh/clock.c */
 152 extern void clock_t_to_secs ();
 153 extern 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
 161 extern 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)
 165 extern 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 */
 169 extern 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)
 173 extern char *getcwd __P((char *, size_t));
 174 #endif
 175
 176 /* Declarations for functions defined in lib/sh/itos.c */
 177 extern char *inttostr __P((intmax_t, char *, size_t));
 178 extern char *itos __P((intmax_t));
 179 extern char *uinttostr __P((uintmax_t, char *, size_t));
 180 extern 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
 187 extern char *sh_makepath __P((const char *, const char *, int));
 188
 189 /* declarations for functions defined in lib/sh/netconn.c */
 190 extern int isnetconn __P((int));
 191
 192 /* declarations for functions defined in lib/sh/netopen.c */
 193 extern int netopen __P((char *));
 194
 195 /* Declarations for  functions defined in lib/sh/oslib.c */
 196
 197 #if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
 198 extern int dup2 __P((int, int));
 199 #endif
 200
 201 #if !defined (HAVE_GETDTABLESIZE)
 202 extern int getdtablesize __P((void));
 203 #endif /* !HAVE_GETDTABLESIZE */
 204
 205 #if !defined (HAVE_GETHOSTNAME)
 206 extern int gethostname __P((char *, int));
 207 #endif /* !HAVE_GETHOSTNAME */
 208
 209 extern int getmaxgroups __P((void));
 210 extern 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
 218 extern char *sh_canonpath __P((char *, int));
 219
 220 /* declarations for functions defined in lib/sh/pathphys.c */
 221 extern char *sh_physpath __P((char *, int));
 222 extern char *sh_realpath __P((const char *, char *));
 223
 224 /* declarations for functions defined in lib/sh/setlinebuf.c */
 225 #ifdef NEED_SH_SETLINEBUF_DECL
 226 extern int sh_setlinebuf __P((FILE *));
 227 #endif
 228
 229 /* declarations for functions defined in lib/sh/shaccess.c */
 230 extern int sh_eaccess __P((char *, int));
 231
 232 /* declarations for functions defined in lib/sh/shmatch.c */
 233 extern 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 */
 240 extern char *sh_single_quote __P((char *));
 241 extern char *sh_double_quote __P((char *));
 242 extern char *sh_mkdoublequoted __P((const char *, int, int));
 243 extern char *sh_un_double_quote __P((char *));
 244 extern char *sh_backslash_quote __P((char *));
 245 extern char *sh_backslash_quote_for_double_quotes __P((char *));
 246 extern int sh_contains_shell_metas __P((char *));
 247
 248 /* declarations for functions defined in lib/sh/spell.c */
 249 extern int spname __P((char *, char *));
 250
 251 /* declarations for functions defined in lib/sh/strcasecmp.c */
 252 #if !defined (HAVE_STRCASECMP)
 253 extern int strncasecmp __P((const char *, const char *, int));
 254 extern 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)
 259 extern 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)
 264 extern 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 */
 268 extern 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. */
 273 typedef struct _list_of_strings {
 274   char **list;
 275   int list_size;
 276   int list_len;
 277 } STRINGLIST;
 278
 279 typedef int sh_strlist_map_func_t __P((char *));
 280
 281 extern STRINGLIST *strlist_create __P((int));
 282 extern STRINGLIST *strlist_resize __P((STRINGLIST *, int));
 283 extern void strlist_flush __P((STRINGLIST *));
 284 extern void strlist_dispose __P((STRINGLIST *));
 285 extern int strlist_remove __P((STRINGLIST *, char *));
 286 extern STRINGLIST *strlist_copy __P((STRINGLIST *));
 287 extern STRINGLIST *strlist_merge __P((STRINGLIST *, STRINGLIST *));
 288 extern STRINGLIST *strlist_append __P((STRINGLIST *, STRINGLIST *));
 289 extern STRINGLIST *strlist_prefix_suffix __P((STRINGLIST *, char *, char *));
 290 extern void strlist_print __P((STRINGLIST *, char *));
 291 extern void strlist_walk __P((STRINGLIST *, sh_strlist_map_func_t *));
 292 extern void strlist_sort __P((STRINGLIST *));
 293
 294 /* declarations for functions defined in lib/sh/stringvec.c */
 295
 296 extern char **strvec_create __P((int));
 297 extern char **strvec_resize __P((char **, int));
 298 extern void strvec_flush __P((char **));
 299 extern void strvec_dispose __P((char **));
 300 extern int strvec_remove __P((char **, char *));
 301 extern int strvec_len __P((char **));
 302 extern int strvec_search __P((char **, char *));
 303 extern char **strvec_copy __P((char **));
 304 extern int strvec_strcmp __P((char **, char **));
 305 extern void strvec_sort __P((char **));
 306
 307 extern char **strvec_from_word_list __P((WORD_LIST *, int, int, int *));
 308 extern 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)
 312 extern 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)
 317 extern 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)
 322 extern double strtod __P((const char *, char **));
 323 #endif
 324
 325 /* declarations for functions defined in lib/sh/strtol.c */
 326 #if !HAVE_DECL_STRTOL
 327 extern 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
 332 extern 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
 337 extern 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
 342 extern 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
 347 extern 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
 352 extern uintmax_t strtoumax __P((const char *, char **, int));
 353 #endif
 354
 355 /* declarations for functions defined in lib/sh/strtrans.c */
 356 extern char *ansicstr __P((char *, int, int, int *, int *));
 357 extern char *ansic_quote __P((char *, int, int *));
 358 extern int ansic_shouldquote __P((const char *));
 359 extern 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. */
 364 extern void timeval_to_secs ();
 365 extern 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
 372 extern char *sh_mktmpname __P((char *, int));
 373 extern 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 */
 377 extern void get_new_window_size __P((int, int *, int *));
 378
 379 /* declarations for functions defined in lib/sh/xstrchr.c */
 380 #undef xstrchr
 381 extern char *xstrchr __P((const char *, int));
 382
 383 /* declarations for functions defined in lib/sh/zcatfd.c */
 384 extern int zcatfd __P((int, int, char *));
 385
 386 /* declarations for functions defined in lib/sh/zread.c */
 387 extern ssize_t zread __P((int, char *, size_t));
 388 extern ssize_t zreadintr __P((int, char *, size_t));
 389 extern ssize_t zreadc __P((int, char *));
 390 extern void zreset __P((void));
 391 extern void zsyncfd __P((int));
 392
 393 /* declarations for functions defined in lib/sh/zwrite.c */
 394 extern int zwrite __P((int, char *, size_t));
 395
 396 #endif /* _EXTERNS_H_ */