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      0x0001
 158 #define CASE_UPPER      0x0002
 159 #define CASE_CAPITALIZE 0x0004
 160 #define CASE_UNCAP      0x0008
 161 #define CASE_TOGGLE     0x0010
 162 #define CASE_TOGGLEALL  0x0020
 163 #define CASE_UPFIRST    0x0040
 164 #define CASE_LOWFIRST   0x0080
 165
 166 #define CASE_USEWORDS   0x1000
 167
 168 /* declarations for functions defined in lib/sh/clktck.c */
 169 extern long get_clk_tck __P((void));
 170
 171 /* declarations for functions defined in lib/sh/clock.c */
 172 extern void clock_t_to_secs ();
 173 extern void print_clock_t ();
 174
 175 /* Declarations for functions defined in lib/sh/fdprintf.c */
 176 extern void fdprintf __P((int, const char *, ...))  __attribute__((__format__ (printf, 2, 3)));
 177
 178 /* Declarations for functions defined in lib/sh/fmtulong.c */
 179 #define FL_PREFIX     0x01    /* add 0x, 0X, or 0 prefix as appropriate */
 180 #define FL_ADDBASE    0x02    /* add base# prefix to converted value */
 181 #define FL_HEXUPPER   0x04    /* use uppercase when converting to hex */
 182 #define FL_UNSIGNED   0x08    /* don't add any sign */
 183
 184 extern char *fmtulong __P((unsigned long int, int, char *, size_t, int));
 185
 186 /* Declarations for functions defined in lib/sh/fmtulong.c */
 187 #if defined (HAVE_LONG_LONG)
 188 extern char *fmtullong __P((unsigned long long int, int, char *, size_t, int));
 189 #endif
 190
 191 /* Declarations for functions defined in lib/sh/fmtumax.c */
 192 extern char *fmtumax __P((uintmax_t, int, char *, size_t, int));
 193
 194 /* Declarations for functions defined in lib/sh/fpurge.c */
 195
 196 #if defined NEED_FPURGE_DECL
 197 #if !HAVE_DECL_FPURGE
 198
 199 #if HAVE_FPURGE
 200 #  define fpurge _bash_fpurge
 201 #endif
 202 extern int fpurge __P((FILE *stream));
 203
 204 #endif /* HAVE_DECL_FPURGE */
 205 #endif /* NEED_FPURGE_DECL */
 206
 207 /* Declarations for functions defined in lib/sh/getcwd.c */
 208 #if !defined (HAVE_GETCWD)
 209 extern char *getcwd __P((char *, size_t));
 210 #endif
 211
 212 /* Declarations for functions defined in lib/sh/input_avail.c */
 213 extern int input_avail __P((int));
 214
 215 /* Declarations for functions defined in lib/sh/itos.c */
 216 extern char *inttostr __P((intmax_t, char *, size_t));
 217 extern char *itos __P((intmax_t));
 218 extern char *uinttostr __P((uintmax_t, char *, size_t));
 219 extern char *uitos __P((uintmax_t));
 220
 221 /* declarations for functions defined in lib/sh/makepath.c */
 222 #define MP_DOTILDE      0x01
 223 #define MP_DOCWD        0x02
 224 #define MP_RMDOT        0x04
 225 #define MP_IGNDOT       0x08
 226
 227 extern char *sh_makepath __P((const char *, const char *, int));
 228
 229 /* declarations for functions defined in lib/sh/netconn.c */
 230 extern int isnetconn __P((int));
 231
 232 /* declarations for functions defined in lib/sh/netopen.c */
 233 extern int netopen __P((char *));
 234
 235 /* Declarations for  functions defined in lib/sh/oslib.c */
 236
 237 #if !defined (HAVE_DUP2) || defined (DUP2_BROKEN)
 238 extern int dup2 __P((int, int));
 239 #endif
 240
 241 #if !defined (HAVE_GETDTABLESIZE)
 242 extern int getdtablesize __P((void));
 243 #endif /* !HAVE_GETDTABLESIZE */
 244
 245 #if !defined (HAVE_GETHOSTNAME)
 246 extern int gethostname __P((char *, int));
 247 #endif /* !HAVE_GETHOSTNAME */
 248
 249 extern int getmaxgroups __P((void));
 250 extern long getmaxchild __P((void));
 251
 252 /* declarations for functions defined in lib/sh/pathcanon.c */
 253 #define PATH_CHECKDOTDOT        0x0001
 254 #define PATH_CHECKEXISTS        0x0002
 255 #define PATH_HARDPATH           0x0004
 256 #define PATH_NOALLOC            0x0008
 257
 258 extern char *sh_canonpath __P((char *, int));
 259
 260 /* declarations for functions defined in lib/sh/pathphys.c */
 261 extern char *sh_physpath __P((char *, int));
 262 extern char *sh_realpath __P((const char *, char *));
 263
 264 /* declarations for functions defined in lib/sh/setlinebuf.c */
 265 #ifdef NEED_SH_SETLINEBUF_DECL
 266 extern int sh_setlinebuf __P((FILE *));
 267 #endif
 268
 269 /* declarations for functions defined in lib/sh/shaccess.c */
 270 extern int sh_eaccess __P((char *, int));
 271
 272 /* declarations for functions defined in lib/sh/shmatch.c */
 273 extern int sh_regmatch __P((const char *, const char *, int));
 274
 275 /* defines for flags argument to sh_regmatch. */
 276 #define SHMAT_SUBEXP            0x001   /* save subexpressions in SH_REMATCH */
 277 #define SHMAT_PWARN             0x002   /* print a warning message on invalid regexp */
 278
 279 /* declarations for functions defined in lib/sh/shquote.c */
 280 extern char *sh_single_quote __P((char *));
 281 extern char *sh_double_quote __P((char *));
 282 extern char *sh_mkdoublequoted __P((const char *, int, int));
 283 extern char *sh_un_double_quote __P((char *));
 284 extern char *sh_backslash_quote __P((char *));
 285 extern char *sh_backslash_quote_for_double_quotes __P((char *));
 286 extern int sh_contains_shell_metas __P((char *));
 287
 288 /* declarations for functions defined in lib/sh/spell.c */
 289 extern int spname __P((char *, char *));
 290 extern char *dirspell __P((char *));
 291
 292 /* declarations for functions defined in lib/sh/strcasecmp.c */
 293 #if !defined (HAVE_STRCASECMP)
 294 extern int strncasecmp __P((const char *, const char *, int));
 295 extern int strcasecmp __P((const char *, const char *));
 296 #endif /* HAVE_STRCASECMP */
 297
 298 /* declarations for functions defined in lib/sh/strerror.c */
 299 #if !defined (HAVE_STRERROR) && !defined (strerror)
 300 extern char *strerror __P((int));
 301 #endif
 302
 303 /* declarations for functions defined in lib/sh/strftime.c */
 304 #if !defined (HAVE_STRFTIME) && defined (NEED_STRFTIME_DECL)
 305 extern size_t strftime __P((char *, size_t, const char *, const struct tm *));
 306 #endif
 307
 308 /* declarations for functions defined in lib/sh/strindex.c */
 309 extern char *strindex __P((const char *, const char *));
 310
 311 /* declarations for functions and structures defined in lib/sh/stringlist.c */
 312
 313 /* This is a general-purpose argv-style array struct. */
 314 typedef struct _list_of_strings {
 315   char **list;
 316   int list_size;
 317   int list_len;
 318 } STRINGLIST;
 319
 320 typedef int sh_strlist_map_func_t __P((char *));
 321
 322 extern STRINGLIST *strlist_create __P((int));
 323 extern STRINGLIST *strlist_resize __P((STRINGLIST *, int));
 324 extern void strlist_flush __P((STRINGLIST *));
 325 extern void strlist_dispose __P((STRINGLIST *));
 326 extern int strlist_remove __P((STRINGLIST *, char *));
 327 extern STRINGLIST *strlist_copy __P((STRINGLIST *));
 328 extern STRINGLIST *strlist_merge __P((STRINGLIST *, STRINGLIST *));
 329 extern STRINGLIST *strlist_append __P((STRINGLIST *, STRINGLIST *));
 330 extern STRINGLIST *strlist_prefix_suffix __P((STRINGLIST *, char *, char *));
 331 extern void strlist_print __P((STRINGLIST *, char *));
 332 extern void strlist_walk __P((STRINGLIST *, sh_strlist_map_func_t *));
 333 extern void strlist_sort __P((STRINGLIST *));
 334
 335 /* declarations for functions defined in lib/sh/stringvec.c */
 336
 337 extern char **strvec_create __P((int));
 338 extern char **strvec_resize __P((char **, int));
 339 extern void strvec_flush __P((char **));
 340 extern void strvec_dispose __P((char **));
 341 extern int strvec_remove __P((char **, char *));
 342 extern int strvec_len __P((char **));
 343 extern int strvec_search __P((char **, char *));
 344 extern char **strvec_copy __P((char **));
 345 extern int strvec_strcmp __P((char **, char **));
 346 extern void strvec_sort __P((char **));
 347
 348 extern char **strvec_from_word_list __P((WORD_LIST *, int, int, int *));
 349 extern WORD_LIST *strvec_to_word_list __P((char **, int, int));
 350
 351 /* declarations for functions defined in lib/sh/strnlen.c */
 352 #if !defined (HAVE_STRNLEN)
 353 extern size_t strnlen __P((const char *, size_t));
 354 #endif
 355
 356 /* declarations for functions defined in lib/sh/strpbrk.c */
 357 #if !defined (HAVE_STRPBRK)
 358 extern char *strpbrk __P((const char *, const char *));
 359 #endif
 360
 361 /* declarations for functions defined in lib/sh/strtod.c */
 362 #if !defined (HAVE_STRTOD)
 363 extern double strtod __P((const char *, char **));
 364 #endif
 365
 366 /* declarations for functions defined in lib/sh/strtol.c */
 367 #if !HAVE_DECL_STRTOL
 368 extern long strtol __P((const char *, char **, int));
 369 #endif
 370
 371 /* declarations for functions defined in lib/sh/strtoll.c */
 372 #if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOLL
 373 extern long long strtoll __P((const char *, char **, int));
 374 #endif
 375
 376 /* declarations for functions defined in lib/sh/strtoul.c */
 377 #if !HAVE_DECL_STRTOUL
 378 extern unsigned long strtoul __P((const char *, char **, int));
 379 #endif
 380
 381 /* declarations for functions defined in lib/sh/strtoull.c */
 382 #if defined (HAVE_LONG_LONG) && !HAVE_DECL_STRTOULL
 383 extern unsigned long long strtoull __P((const char *, char **, int));
 384 #endif
 385
 386 /* declarations for functions defined in lib/sh/strimax.c */
 387 #if !HAVE_DECL_STRTOIMAX
 388 extern intmax_t strtoimax __P((const char *, char **, int));
 389 #endif
 390
 391 /* declarations for functions defined in lib/sh/strumax.c */
 392 #if !HAVE_DECL_STRTOUMAX
 393 extern uintmax_t strtoumax __P((const char *, char **, int));
 394 #endif
 395
 396 /* declarations for functions defined in lib/sh/strtrans.c */
 397 extern char *ansicstr __P((char *, int, int, int *, int *));
 398 extern char *ansic_quote __P((char *, int, int *));
 399 extern int ansic_shouldquote __P((const char *));
 400 extern char *ansiexpand __P((char *, int, int, int *));
 401
 402 /* declarations for functions defined in lib/sh/timeval.c.  No prototypes
 403    so we don't have to count on having a definition of struct timeval in
 404    scope when this file is included. */
 405 extern void timeval_to_secs ();
 406 extern void print_timeval ();
 407
 408 /* declarations for functions defined in lib/sh/tmpfile.c */
 409 #define MT_USETMPDIR            0x0001
 410 #define MT_READWRITE            0x0002
 411 #define MT_USERANDOM            0x0004
 412
 413 extern char *sh_mktmpname __P((char *, int));
 414 extern int sh_mktmpfd __P((char *, int, char **));
 415 /* extern FILE *sh_mktmpfp __P((char *, int, char **)); */
 416
 417 /* declarations for functions defined in lib/sh/uconvert.c */
 418 extern int uconvert __P((char *, long *, long *));
 419
 420 /* declarations for functions defined in lib/sh/ufuncs.c */
 421 extern unsigned int falarm __P((unsigned int, unsigned int));
 422 extern unsigned int fsleep __P((unsigned int, unsigned int));
 423
 424 /* declarations for functions defined in lib/sh/winsize.c */
 425 extern void get_new_window_size __P((int, int *, int *));
 426
 427 /* declarations for functions defined in lib/sh/xstrchr.c */
 428 #undef xstrchr
 429 extern char *xstrchr __P((const char *, int));
 430
 431 /* declarations for functions defined in lib/sh/zcatfd.c */
 432 extern int zcatfd __P((int, int, char *));
 433
 434 /* declarations for functions defined in lib/sh/zgetline.c */
 435 extern ssize_t zgetline __P((int, char **, size_t *, int));
 436
 437 /* declarations for functions defined in lib/sh/zmapfd.c */
 438 extern int zmapfd __P((int, char **, char *));
 439
 440 /* declarations for functions defined in lib/sh/zread.c */
 441 extern ssize_t zread __P((int, char *, size_t));
 442 extern ssize_t zreadretry __P((int, char *, size_t));
 443 extern ssize_t zreadintr __P((int, char *, size_t));
 444 extern ssize_t zreadc __P((int, char *));
 445 extern ssize_t zreadcintr __P((int, char *));
 446 extern void zreset __P((void));
 447 extern void zsyncfd __P((int));
 448
 449 /* declarations for functions defined in lib/sh/zwrite.c */
 450 extern int zwrite __P((int, char *, size_t));
 451
 452 #endif /* _EXTERNS_H_ */