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1 | /* Copyright (C) 1991, 1992 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Library General Public | |
15 | License along with the GNU C Library; see the file COPYING.LIB. If | |
16 | not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave, | |
17 | Cambridge, MA 02139, USA. */ | |
18 | ||
19 | #ifndef _WORDEXP_H | |
20 | ||
21 | #define _WORDEXP_H 1 | |
22 | #include <features.h> | |
23 | ||
24 | __BEGIN_DECLS | |
25 | ||
26 | /* Bits set in the FLAGS argument to `wordexp'. */ | |
27 | enum | |
28 | { | |
29 | WRDE_DOOFFS = (1 << 0), /* Insert PWORDEXP->we_offs NULLs. */ | |
30 | WRDE_APPEND = (1 << 1), /* Append to results of a previous call. */ | |
31 | WRDE_NOCMD = (1 << 2), /* Don't do command substitution. */ | |
32 | WRDE_REUSE = (1 << 3), /* Reuse storage in PWORDEXP. */ | |
33 | WRDE_SHOWERR = (1 << 4), /* Don't redirect stderr to /dev/null. */ | |
34 | WRDE_UNDEF = (1 << 5), /* Error for expanding undefined variables. */ | |
35 | __WRDE_FLAGS = (WRDE_DOOFFS | WRDE_APPEND | WRDE_NOCMD | | |
36 | WRDE_REUSE | WRDE_SHOWERR | WRDE_UNDEF), | |
37 | }; | |
38 | ||
39 | /* Structure describing a word-expansion run. */ | |
40 | typedef struct | |
41 | { | |
42 | int we_wordc; /* Count of words matched. */ | |
43 | char **we_wordv; /* List of expanded words. */ | |
44 | int we_offs; /* Slots to reserve in `we_wordv'. */ | |
45 | } wordexp_t; | |
46 | ||
47 | /* Possible nonzero return values from `wordexp'. */ | |
48 | enum | |
49 | { | |
50 | WRDE_NOSPACE = 1, /* Ran out of memory. */ | |
51 | WRDE_BADCHAR, /* A metachar appears in the wrong place. */ | |
52 | WRDE_BADVAL, /* Undefined var reference with WRDE_UNDEF. */ | |
53 | WRDE_CMDSUB, /* Command substitution with WRDE_NOCMD. */ | |
54 | WRDE_SYNTAX /* Shell syntax error. */ | |
55 | }; | |
56 | ||
57 | /* Do word expansion of WORDS into PWORDEXP. */ | |
58 | extern int wordexp __P ((__const char *__words, wordexp_t * __pwordexp, | |
59 | int __flags)); | |
60 | ||
61 | /* Free the storage allocated by a `wordexp' call. */ | |
62 | extern void wordfree __P ((wordexp_t *)); | |
63 | ||
64 | __END_DECLS | |
65 | ||
66 | #endif /* wordexp.h */ |