builtins/common.h

   1 /* common.h -- extern declarations for functions defined in common.c. */
   2
   3 /* Copyright (C) 1993-2002 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Bash, the Bourne Again SHell.
   6
   7    Bash is free software; you can redistribute it and/or modify it under
   8    the terms of the GNU General Public License as published by the Free
   9    Software Foundation; either version 2, or (at your option) any later
  10    version.
  11
  12    Bash is distributed in the hope that it will be useful, but WITHOUT ANY
  13    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15    for more details.
  16
  17    You should have received a copy of the GNU General Public License along
  18    with Bash; see the file COPYING.  If not, write to the Free Software
  19    Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
  20
  21 #if  !defined (__COMMON_H)
  22 #  define __COMMON_H
  23
  24 #include "stdc.h"
  25
  26 #define ISOPTION(s, c)  (s[0] == '-' && !s[2] && s[1] == c)
  27
  28 /* Flag values for parse_and_execute () */
  29 #define SEVAL_NONINT    0x001
  30 #define SEVAL_INTERACT  0x002
  31 #define SEVAL_NOHIST    0x004
  32 #define SEVAL_NOFREE    0x008
  33
  34 /* Flags for describe_command, shared between type.def and command.def */
  35 #define CDESC_ALL               0x001   /* type -a */
  36 #define CDESC_SHORTDESC         0x002   /* command -V */
  37 #define CDESC_REUSABLE          0x004   /* command -v */
  38 #define CDESC_TYPE              0x008   /* type -t */
  39 #define CDESC_PATH_ONLY         0x010   /* type -p */
  40 #define CDESC_FORCE_PATH        0x020   /* type -ap or type -P */
  41 #define CDESC_NOFUNCS           0x040   /* type -f */
  42
  43 /* Flags for get_job_by_name */
  44 #define JM_PREFIX               0x01    /* prefix of job name */
  45 #define JM_SUBSTRING            0x02    /* substring of job name */
  46 #define JM_EXACT                0x04    /* match job name exactly */
  47 #define JM_STOPPED              0x08    /* match stopped jobs only */
  48 #define JM_FIRSTMATCH           0x10    /* return first matching job */
  49
  50 /* Flags for remember_args and value of changed_dollar_vars */
  51 #define ARGS_NONE               0x0
  52 #define ARGS_INVOC              0x01
  53 #define ARGS_FUNC               0x02
  54 #define ARGS_SETBLTIN           0x04
  55
  56 /* Functions from common.c */
  57 extern void builtin_error __P((const char *, ...))  __attribute__((__format__ (printf, 1, 2)));
  58 extern void builtin_usage __P((void));
  59 extern void no_args __P((WORD_LIST *));
  60 extern int no_options __P((WORD_LIST *));
  61
  62 /* common error message functions */
  63 extern void sh_needarg __P((char *));
  64 extern void sh_neednumarg __P((char *));
  65 extern void sh_notfound __P((char *));
  66 extern void sh_invalidopt __P((char *));
  67 extern void sh_invalidoptname __P((char *));
  68 extern void sh_invalidid __P((char *));
  69 extern void sh_invalidnum __P((char *));
  70 extern void sh_invalidsig __P((char *));
  71 extern void sh_erange __P((char *, char *));
  72 extern void sh_badpid __P((char *));
  73 extern void sh_badjob __P((char *));
  74 extern void sh_readonly __P((const char *));
  75 extern void sh_nojobs __P((char *));
  76 extern void sh_restricted __P((char *));
  77
  78 extern char **make_builtin_argv __P((WORD_LIST *, int *));
  79 extern void remember_args __P((WORD_LIST *, int));
  80
  81 extern int dollar_vars_changed __P((void));
  82 extern void set_dollar_vars_unchanged __P((void));
  83 extern void set_dollar_vars_changed __P((void));
  84
  85 extern intmax_t get_numeric_arg __P((WORD_LIST *, int));
  86 extern int get_exitstat __P((WORD_LIST *));
  87 extern int read_octal __P((char *));
  88
  89 /* Keeps track of the current working directory. */
  90 extern char *the_current_working_directory;
  91 extern char *get_working_directory __P((char *));
  92 extern void set_working_directory __P((char *));
  93
  94 #if defined (JOB_CONTROL)
  95 extern int get_job_by_name __P((const char *, int));
  96 extern int get_job_spec __P((WORD_LIST *));
  97 #endif
  98 extern int display_signal_list __P((WORD_LIST *, int));
  99
 100 /* It's OK to declare a function as returning a Function * without
 101    providing a definition of what a `Function' is. */
 102 extern struct builtin *builtin_address_internal __P((char *, int));
 103 extern sh_builtin_func_t *find_shell_builtin __P((char *));
 104 extern sh_builtin_func_t *builtin_address __P((char *));
 105 extern sh_builtin_func_t *find_special_builtin __P((char *));
 106 extern void initialize_shell_builtins __P((void));
 107
 108 /* Functions from getopts.def */
 109 extern void getopts_reset __P((int));
 110
 111 /* Functions from set.def */
 112 extern int minus_o_option_value __P((char *));
 113 extern void list_minus_o_opts __P((int, int));
 114 extern char **get_minus_o_opts __P((void));
 115 extern int set_minus_o_option __P((int, char *));
 116
 117 extern void set_shellopts __P((void));
 118 extern void parse_shellopts __P((char *));
 119 extern void initialize_shell_options __P((int));
 120
 121 extern void reset_shell_options __P((void));
 122
 123 /* Functions from shopt.def */
 124 extern void reset_shopt_options __P((void));
 125 extern char **get_shopt_options __P((void));
 126
 127 extern int shopt_setopt __P((char *, int));
 128 extern int shopt_listopt __P((char *, int));
 129
 130 extern int set_login_shell __P((int));
 131
 132 /* Functions from type.def */
 133 extern int describe_command __P((char *, int));
 134
 135 /* Functions from setattr.def */
 136 extern int set_or_show_attributes __P((WORD_LIST *, int, int));
 137 extern int show_var_attributes __P((SHELL_VAR *, int, int));
 138 extern int show_name_attributes __P((char *, int));
 139 extern void set_var_attribute __P((char *, int, int));
 140
 141 /* Functions from pushd.def */
 142 extern char *get_dirstack_from_string __P((char *));
 143 extern char *get_dirstack_element __P((intmax_t, int));
 144 extern void set_dirstack_element __P((intmax_t, int, char *));
 145 extern WORD_LIST *get_directory_stack __P((void));
 146
 147 /* Functions from evalstring.c */
 148 extern int parse_and_execute __P((char *, const char *, int));
 149 extern void parse_and_execute_cleanup __P((void));
 150
 151 /* Functions from evalfile.c */
 152 extern int maybe_execute_file __P((const char *, int));
 153 extern int source_file __P((const char *));
 154 extern int fc_execute_file __P((const char *));
 155
 156 #endif /* !__COMMON_H */