1 | /* builtins.h -- What a builtin looks like, and where to find them. */ |
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2 | |
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3 | /* Copyright (C) 1987,1991 Free Software Foundation, Inc. |
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4 | |
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5 | This file is part of GNU Bash, the Bourne Again SHell. |
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6 | |
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7 | Bash is free software; you can redistribute it and/or modify it |
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8 | under the terms of the GNU General Public License as published by |
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9 | the Free Software Foundation; either version 2, or (at your option) |
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10 | any later version. |
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11 | |
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12 | Bash is distributed in the hope that it will be useful, but WITHOUT |
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13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
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15 | License for more details. |
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16 | |
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17 | You should have received a copy of the GNU General Public License |
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18 | along with Bash; see the file COPYING. If not, write to the Free |
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19 | Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ |
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20 | |
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21 | #include "config.h" |
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22 | |
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23 | #if defined (HAVE_UNISTD_H) |
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24 | # ifdef _MINIX |
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25 | # include <sys/types.h> |
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26 | # endif |
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27 | # include <unistd.h> |
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28 | #endif |
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29 | |
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30 | #include "command.h" |
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31 | #include "general.h" |
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32 | |
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33 | #if defined (ALIAS) |
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34 | #include "alias.h" |
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35 | #endif |
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36 | |
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37 | /* Flags describing various things about a builtin. */ |
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38 | #define BUILTIN_ENABLED 0x1 /* This builtin is enabled. */ |
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39 | #define BUILTIN_DELETED 0x2 /* This has been deleted with enable -d. */ |
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40 | #define STATIC_BUILTIN 0x4 /* This builtin is not dynamically loaded. */ |
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41 | #define SPECIAL_BUILTIN 0x8 /* This is a Posix `special' builtin. */ |
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42 | #define ASSIGNMENT_BUILTIN 0x10 /* This builtin takes assignment statements. */ |
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43 | |
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44 | /* The thing that we build the array of builtins out of. */ |
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45 | struct builtin { |
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46 | char *name; /* The name that the user types. */ |
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47 | sh_builtin_func_t *function; /* The address of the invoked function. */ |
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48 | int flags; /* One of the #defines above. */ |
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49 | char * const *long_doc; /* NULL terminated array of strings. */ |
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50 | const char *short_doc; /* Short version of documenation. */ |
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51 | char *handle; /* for future use */ |
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52 | }; |
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53 | |
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54 | /* Found in builtins.c, created by builtins/mkbuiltins. */ |
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55 | extern int num_shell_builtins; /* Number of shell builtins. */ |
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56 | extern struct builtin static_shell_builtins[]; |
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57 | extern struct builtin *shell_builtins; |
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58 | extern struct builtin *current_builtin; |
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