externs.h

   1 /* externs.h -- extern function declarations which do not appear in their
   2    own header file. */
   3
   4 /* Copyright (C) 1993-2009 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. */
  30 extern intmax_t evalexp __P((char *, int *));
  31
  32 /* Functions from print_cmd.c. */
  33 #define FUNC_MULTILINE  0x01
  34 #define FUNC_EXTERNAL   0x02
  35
  36 extern char *make_command_string __P((COMMAND *));
  37 extern char *named_function_string __P((char *, COMMAND *, int));
  38
  39 extern void print_command __P((COMMAND *));
  40 extern void print_simple_command __P((SIMPLE_COM *));
  41 extern void print_word_list __P((WORD_LIST *, char *));
  42
  43 /* debugger support */
  44 extern void print_for_command_head __P((FOR_COM *));
  45 #if defined (SELECT_COMMAND)
  46 extern void print_select_command_head __P((SELECT_COM *));
  47 #endif
  48 extern void print_case_command_head __P((CASE_COM *));
  49 #if defined (DPAREN_ARITHMETIC)
  50 extern void print_arith_command __P((WORD_LIST *));
  51 #endif
  52 #if defined (COND_COMMAND)
  53 extern void print_cond_command __P((COND_COM *));
  54 #endif
  55
  56 /* set -x support */
  57 extern char *indirection_level_string __P((void));
  58 extern void xtrace_print_assignment __P((char *, char *, int, int));
  59 extern void xtrace_print_word_list __P((WORD_LIST *, int));
  60 extern void xtrace_print_for_command_head __P((FOR_COM *));
  61 #if defined (SELECT_COMMAND)
  62 extern void xtrace_print_select_command_head __P((SELECT_COM *));
  63 #endif
  64 extern void xtrace_print_case_command_head __P((CASE_COM *));
  65 #if defined (DPAREN_ARITHMETIC)
  66 extern void xtrace_print_arith_cmd __P((WORD_LIST *));
  67 #endif
  68 #if defined (COND_COMMAND)
  69 extern void xtrace_print_cond_term __P((int, int, WORD_DESC *, char *, char *));
  70 #endif
  71
  72 /* Functions from shell.c. */
  73 extern void exit_shell __P((int)) __attribute__((__noreturn__));
  74 extern void sh_exit __P((int)) __attribute__((__noreturn__));
  75 extern void disable_priv_mode __P((void));
  76 extern void unbind_args __P((void));
  77
  78 #if defined (RESTRICTED_SHELL)
  79 extern int shell_is_restricted __P((char *));
  80 extern int maybe_make_restricted __P((char *));
  81 #endif
  82
  83 extern void unset_bash_input __P((int));
  84 extern void get_current_user_info __P((void));
  85
  86 /* Functions from eval.c. */
  87 extern int reader_loop __P((void));
  88 extern int parse_command __P((void));
  89 extern int read_command __P((void));
  90
  91 /* Functions from braces.c. */
  92 #if defined (BRACE_EXPANSION)
  93 extern char **brace_expand __P((char *));
  94 #endif
  95
  96 /* Miscellaneous functions from parse.y */
  97 extern int yyparse __P((void));
  98 extern int return_EOF __P((void));
  99 extern char *xparse_dolparen __P((char *, char *, int *, int));
 100 extern void reset_parser __P((void));
 101 extern WORD_LIST *parse_string_to_word_list __P((char *, int, const char *));
 102
 103 extern void free_pushed_string_input __P((void));
 104
 105 extern char *decode_prompt_string __P((char *));
 106
 107 extern int get_current_prompt_level __P((void));
 108 extern void set_current_prompt_level __P((int));
 109
 110 #if defined (HISTORY)
 111 extern char *history_delimiting_chars __P((void));
 112 #endif
 113
 114 /* Declarations for functions defined in locale.c */
 115 extern void set_default_locale __P((void));
 116 extern void set_default_locale_vars __P((void));
 117 extern int set_locale_var __P((char *, char *));
 118 extern int set_lang __P((char *, char *));
 119 extern void set_default_lang __P((void));
 120 extern char *get_locale_var __P((char *));
 121 extern char *localetrans __P((char *, int, int *));
 122 extern char *mk_msgstr __P((char *, int *));
 123 extern char *localeexpand __P((char *, int, int, int, int *));
 124
 125 /* Declarations for functions defined in list.c. */
 126 extern void list_walk __P((GENERIC_LIST *, sh_glist_func_t *));
 127 extern void wlist_walk __P((WORD_LIST *, sh_icpfunc_t *));
 128 extern GENERIC_LIST *list_reverse ();
 129 extern int list_length ();
 130 extern GENERIC_LIST *list_append ();
 131 extern GENERIC_LIST *list_remove ();
 132
 133 /* Declarations for functions defined in stringlib.c */
 134 extern int find_string_in_alist __P((char *, STRING_INT_ALIST *, int));
 135 extern char *find_token_in_alist __P((int, STRING_INT_ALIST *, int));
 136 extern int find_index_in_alist __P((char *, STRING_INT_ALIST *, int));
 137
 138 extern char *substring __P((char *, int, int));
 139 extern char *strsub __P((char *, char *, char *, int));
 140 extern char *strcreplace __P((char *, int, char *, int));
 141 extern void strip_leading __P((char *));
 142 extern void strip_trailing __P((char *, int, int));
 143 extern void xbcopy __P((char *, char *, int));
 144
 145 /* Functions from version.c. */
 146 extern char *shell_version_string __P((void));
 147 extern void show_shell_version __P((int));
 148
 149 /* Functions from the bash library, lib/sh/libsh.a.  These should really
 150    go into a separate include file. */
 151
 152 /* declarations for functions defined in lib/sh/casemod.c */
 153 extern char *sh_modcase __P((const char *, char *, int));
 154
 155 /* Defines for flags argument to sh_modcase.  These need to agree with what's
 156    in lib/sh/casemode.c */
 157 #define CASE_LOWER      0x01
 158 #define CASE_UPPER      0x02
 159 #define CASE_CAPITALIZE 0x04
 160 #define CASE_UNCAP      0x08
 161 #define CASE_TOGGLE     0x10
 162 #define CASE_TOGGLEALL  0x20
 163
 164 /* declarations for functions defined in lib/sh/clktck.c */
 165 extern long get_clk_tck __P((void));
 166
 167 /* declarations for functions defined in lib/sh/clock.c */
 168 extern void clock_t_to_secs ();
 169 extern void print_clock_t ();
 170
 171 /* Declarations for functions defined in lib/sh/fdprintf.c */
 172 extern void fdprintf __P((int, const char *, ...))  __attribute__((__format__ (printf, 2, 3)));
 173
 174 /* Declarations for functions defined in lib/sh/fmtulong.c */
 175 #define FL_PREFIX     0x01    /* add 0x, 0X, or 0 prefix as appropriate */
 176 #define FL_ADDBASE    0x02    /* add base# prefix to converted value */
 177 #define FL_HEXUPPER   0x04    /* use uppercase when converting to hex */
 178 #define FL_UNSIGNED   0x08    /* don't add any sign */
 179
 180 extern char *fmtulong __P((unsigned long int, int, char *, size_t, int));
 181
 182 /* Declarations for functions defined in lib/sh/fmtulong.c */
 183 #if defined (HAVE_LONG_LONG)
 184 extern char *fmtullong __P((unsigned long long int, int, char *, size_t, int));
 185 #endif
 186
 187 /* Declarations for functions defined in lib/sh/fmtumax.c */
 188 extern char *fmtumax __P((uintmax_t, int, char *, size_t, int));
 189
 190 /* Declarations for functions defined in lib/sh/fpurge.c */
 191 #if !HAVE_DECL_FPURGE
 192
 193 #if HAVE_FPURGE
 194 #  define fpurge _bash_fpurge
 195 #endif
 196 extern int fpurge __P((FILE *stream));
 197
 198 #endif /* HAVE_DECL_FPURGE */
 199
 200
 201 /* Declarations for functions defined in lib/sh/getcwd.c */
 202 #if !defined (HAVE_GETCWD)
 203 extern char *getcwd __P((char *, size_t));
 204 #endif
 205
 206 /* Declarations for functions defined in lib/sh/input_avail.c */
 207 extern int input_avail __P((int));
 208
 209 /* Declarations for functions defined in lib/sh/itos.c */
 210 extern char *inttostr __P((intmax_t, char *, size_t));
 211 extern char *itos __P((intmax_t));
 212 extern char *uinttostr __P((uintmax_t, char *, size_t));
 213 extern char *uitos __P((uintmax_t));
 214
 215 /* declarations for functions defined in lib/sh/makepath.c */
 216 #define MP_DOTILDE      0x01
 217 #define MP_DOCWD        0x02
 218 #define MP_RMDOT        0x04
 219 #define MP_IGNDOT       0x08
 220
 221 extern char *sh_makepath __P((const char *, const char *, int));
 222
 223 /* declarations for functions defined in lib/sh/netconn.c */
 224 extern int isnetconn __P((int));
 225
 226 /* declarations for functions defined in lib/sh/netopen.c */
 227 extern int netopen __P((char *));
 228
 229 /* Declarations for  functions defined in lib/sh/oslib.c */
 230
 231 #if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
 232 extern int dup2 __P((int, int));
 233 #endif
 234
 235 #if !defined (HAVE_GETDTABLESIZE)
 236 extern int getdtablesize __P((void));
 237 #endif /* !HAVE_GETDTABLESIZE */
 238
 239 #if !defined (HAVE_GETHOSTNAME)
 240 extern int gethostname __P((char *, int));
 241 #endif /* !HAVE_GETHOSTNAME */
 242
 243 extern int getmaxgroups __P((void));
 244 extern long getmaxchild __P((void));
 245
 246 /* declarations for functions defined in lib/sh/pathcanon.c */
 247 #define PATH_CHECKDOTDOT        0x0001
 248 #define PATH_CHECKEXISTS        0x0002
 249 #define PATH_HARDPATH           0x0004
 250 #define PATH_NOALLOC            0x0008
 251
 252 extern char *sh_canonpath __P((char *, int));
 253
 254 /* declarations for functions defined in lib/sh/pathphys.c */
 255 extern char *sh_physpath __P((char *, int));
 256 extern char *sh_realpath __P((const char *, char *));
 257
 258 /* declarations for functions defined in lib/sh/setlinebuf.c */
 259 #ifdef NEED_SH_SETLINEBUF_DECL
 260 extern int sh_setlinebuf __P((FILE *));
 261 #endif
 262
 263 /* declarations for functions defined in lib/sh/shaccess.c */
 264 extern int sh_eaccess __P((char *, int));
 265
 266 /* declarations for functions defined in lib/sh/shmatch.c */
 267 extern int sh_regmatch __P((const char *, const char *, int));
 268
 269 /* defines for flags argument to sh_regmatch. */
 270 #define SHMAT_SUBEXP            0x001   /* save subexpressions in SH_REMATCH */
 271 #define SHMAT_PWARN             0x002   /* print a warning message on invalid regexp */
 272
 273 /* declarations for functions defined in lib/sh/shquote.c */
 274 extern char *sh_single_quote __P((char *));
 275 extern char *sh_double_quote __P((char *));
 276 extern char *sh_mkdoublequoted __P((const char *, int, int));
 277 extern char *sh_un_double_quote __P((char *));
 278 extern char *sh_backslash_quote __P((char *));
 279 extern char *sh_backslash_quote_for_double_quotes __P((char *));
 280 extern int sh_contains_shell_metas __P((char *));
 281
 282 /* declarations for functions defined in lib/sh/spell.c */
 283 extern int spname __P((char *, char *));
 284 extern char *dirspell __P((char *));
 285
 286 /* declarations for functions defined in lib/sh/strcasecmp.c */
 287 #if !defined (HAVE_STRCASECMP)
 288 extern int strncasecmp __P((const char *, const char *, int));
 289 extern int strcasecmp __P((const char *, const char *));
 290 #endif /* HAVE_STRCASECMP */
 291
 292 /* declarations for functions defined in lib/sh/strerror.c */
 293 #if !defined (HAVE_STRERROR) && !defined (strerror)
 294 extern char *strerror __P((int));
 295 #endif
 296
 297 /* declarations for functions defined in lib/sh/strftime.c */
 298 #if !defined (HAVE_STRFTIME) && defined (NEED_STRFTIME_DECL)
 299 extern size_t strftime __P((char *, size_t, const char *, const struct tm *));
 300 #endif
 301
 302 /* declarations for functions defined in lib/sh/strindex.c */
 303 extern char *strindex __P((const char *, const char *));
 304
 305 /* declarations for functions and structures defined in lib/sh/stringlist.c */
 306
 307 /* This is a general-purpose argv-style array struct. */
 308 typedef struct _list_of_strings {
 309   char **list;
 310   int list_size;
 311   int list_len;
 312 } STRINGLIST;
 313
 314 typedef int sh_strlist_map_func_t __P((char *));
 315
 316 extern STRINGLIST *strlist_create __P((int));
 317 extern STRINGLIST *strlist_resize __P((STRINGLIST *, int));
 318 extern void strlist_flush __P((STRINGLIST *));
 319 extern void strlist_dispose __P((STRINGLIST *));
 320 extern int strlist_remove __P((STRINGLIST *, char *));
 321 extern STRINGLIST *strlist_copy __P((STRINGLIST *));
 322 extern STRINGLIST *strlist_merge __P((STRINGLIST *, STRINGLIST *));
 323 extern STRINGLIST *strlist_append __P((STRINGLIST *, STRINGLIST *));
 324 extern STRINGLIST *strlist_prefix_suffix __P((STRINGLIST *, char *, char *));
 325 extern void strlist_print __P((STRINGLIST *, char *));
 326 extern void strlist_walk __P((STRINGLIST *, sh_strlist_map_func_t *));
 327 extern void strlist_sort __P((STRINGLIST *));
 328
 329 /* declarations for functions defined in lib/sh/stringvec.c */
 330
 331 extern char **strvec_create __P((int));
 332 extern char **strvec_resize __P((char **, int));
 333 extern void strvec_flush __P((char **));
 334 extern void strvec_dispose __P((char **));
 335 extern int strvec_remove __P((char **, char *));
 336 extern int strvec_len __P((char **));
 337 extern int strvec_search __P((char **, char *));
 338 extern char **strvec_copy __P((char **));
 339 extern int strvec_strcmp __P((char **, char **));
 340 extern void strvec_sort __P((char **));
 341
 342 extern char **strvec_from_word_list __P((WORD_LIST *, int, int, int *));
 343 extern WORD_LIST *strvec_to_word_list __P((char **, int, int));
 344
 345 /* declarations for functions defined in lib/sh/strnlen.c */
 346 #if !defined (HAVE_STRNLEN)
 347 extern size_t strnlen __P((const char *, size_t));
 348 #endif
 349
 350 /* declarations for functions defined in lib/sh/strpbrk.c */
 351 #if !defined (HAVE_STRPBRK)
 352 extern char *strpbrk __P((const char *, const char *));
 353 #endif
 354
 355 /* declarations for functions defined in lib/sh/strtod.c */
 356 #if !defined (HAVE_STRTOD)
 357 extern double strtod __P((const char *, char **));
 358 #endif
 359
 360 /* declarations for functions defined in lib/sh/strtol.c */
 361 #if !HAVE_DECL_STRTOL
 362 extern long strtol __P((const char *, char **, int));
 363 #endif
 364
 365 /* declarations for functions defined in lib/sh/strtoll.c */
 366 #if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOLL
 367 extern long long strtoll __P((const char *, char **, int));
 368 #endif
 369
 370 /* declarations for functions defined in lib/sh/strtoul.c */
 371 #if !HAVE_DECL_STRTOUL
 372 extern unsigned long strtoul __P((const char *, char **, int));
 373 #endif
 374
 375 /* declarations for functions defined in lib/sh/strtoull.c */
 376 #if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOULL
 377 extern unsigned long long strtoull __P((const char *, char **, int));
 378 #endif
 379
 380 /* declarations for functions defined in lib/sh/strimax.c */
 381 #if !HAVE_DECL_STRTOIMAX
 382 extern intmax_t strtoimax __P((const char *, char **, int));
 383 #endif
 384
 385 /* declarations for functions defined in lib/sh/strumax.c */
 386 #if !HAVE_DECL_STRTOUMAX
 387 extern uintmax_t strtoumax __P((const char *, char **, int));
 388 #endif
 389
 390 /* declarations for functions defined in lib/sh/strtrans.c */
 391 extern char *ansicstr __P((char *, int, int, int *, int *));
 392 extern char *ansic_quote __P((char *, int, int *));
 393 extern int ansic_shouldquote __P((const char *));
 394 extern char *ansiexpand __P((char *, int, int, int *));
 395
 396 /* declarations for functions defined in lib/sh/timeval.c.  No prototypes
 397    so we don't have to count on having a definition of struct timeval in
 398    scope when this file is included. */
 399 extern void timeval_to_secs ();
 400 extern void print_timeval ();
 401
 402 /* declarations for functions defined in lib/sh/tmpfile.c */
 403 #define MT_USETMPDIR            0x0001
 404 #define MT_READWRITE            0x0002
 405 #define MT_USERANDOM            0x0004
 406
 407 extern char *sh_mktmpname __P((char *, int));
 408 extern int sh_mktmpfd __P((char *, int, char **));
 409 /* extern FILE *sh_mktmpfp __P((char *, int, char **)); */
 410
 411 /* declarations for functions defined in lib/sh/uconvert.c */
 412 extern int uconvert __P((char *, long *, long *));
 413
 414 /* declarations for functions defined in lib/sh/ufuncs.c */
 415 extern unsigned int falarm __P((unsigned int, unsigned int));
 416 extern unsigned int fsleep __P((unsigned int, unsigned int));
 417
 418 /* declarations for functions defined in lib/sh/winsize.c */
 419 extern void get_new_window_size __P((int, int *, int *));
 420
 421 /* declarations for functions defined in lib/sh/xstrchr.c */
 422 #undef xstrchr
 423 extern char *xstrchr __P((const char *, int));
 424
 425 /* declarations for functions defined in lib/sh/zcatfd.c */
 426 extern int zcatfd __P((int, int, char *));
 427
 428 /* declarations for functions defined in lib/sh/zgetline.c */
 429 extern ssize_t zgetline __P((int, char **, size_t *, int));
 430
 431 /* declarations for functions defined in lib/sh/zmapfd.c */
 432 extern int zmapfd __P((int, char **, char *));
 433
 434 /* declarations for functions defined in lib/sh/zread.c */
 435 extern ssize_t zread __P((int, char *, size_t));
 436 extern ssize_t zreadintr __P((int, char *, size_t));
 437 extern ssize_t zreadc __P((int, char *));
 438 extern void zreset __P((void));
 439 extern void zsyncfd __P((int));
 440
 441 /* declarations for functions defined in lib/sh/zwrite.c */
 442 extern int zwrite __P((int, char *, size_t));
 443
 444 #endif /* _EXTERNS_H_ */