| 1 | /* $Id: $ */
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| 2 | /** @file
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| 3 | *
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| 4 | * File management.
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| 5 | *
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| 6 | * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
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| 7 | *
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| 8 | *
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| 9 | * This file is part of kBuild.
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| 10 | *
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| 11 | * kBuild is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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| 13 | * the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * kBuild is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with kBuild; if not, write to the Free Software
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| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 24 | *
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| 25 | */
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| 26 |
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| 27 | #ifndef ___shfile_h___
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| 28 | #define ___shfile_h___
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| 29 |
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| 30 | #include "shtypes.h"
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| 31 | #include <fcntl.h>
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| 32 | #include <sys/stat.h>
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| 33 | #ifndef _MSC_VER
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| 34 | # include <sys/fcntl.h>
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| 35 | # include <unistd.h>
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| 36 | # ifndef O_BINARY
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| 37 | # define O_BINARY 0
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| 38 | # endif
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| 39 | # ifndef O_TEXT
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| 40 | # define O_TEXT 0
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| 41 | # endif
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| 42 |
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| 43 | #else
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| 44 | # include <io.h>
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| 45 | # include <direct.h>
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| 46 |
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| 47 | # define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
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| 48 | # define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
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| 49 | # define S_ISLNK(m) 0
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| 50 | # define S_IRWXU (_S_IREAD | _S_IWRITE | _S_IEXEC)
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| 51 | # define S_IXUSR _S_IEXEC
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| 52 | # define S_IWUSR _S_IWRITE
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| 53 | # define S_IRUSR _S_IREAD
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| 54 | # define S_IRWXG 0000070
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| 55 | # define S_IRGRP 0000040
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| 56 | # define S_IWGRP 0000020
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| 57 | # define S_IXGRP 0000010
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| 58 | # define S_IRWXO 0000007
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| 59 | # define S_IROTH 0000004
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| 60 | # define S_IWOTH 0000002
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| 61 | # define S_IXOTH 0000001
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| 62 | # define S_ISUID 0004000
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| 63 | # define S_ISGID 0002000
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| 64 | # define ALLPERMS 0000777
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| 65 |
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| 66 | # define F_DUPFD 0
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| 67 | # define F_GETFD 1
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| 68 | # define F_SETFD 2
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| 69 | # define F_GETFL 3
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| 70 | # define F_SETFL 4
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| 71 | # define FD_CLOEXEC 1
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| 72 |
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| 73 | # define F_OK 0
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| 74 | # define X_OK 1
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| 75 | # define W_OK 2
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| 76 | # define R_OK 4
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| 77 |
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| 78 | #endif
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| 79 |
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| 80 |
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| 81 | /**
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| 82 | * One file.
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| 83 | */
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| 84 | typedef struct shfile
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| 85 | {
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| 86 | int fd; /**< The shell file descriptor number. */
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| 87 | int flags; /**< Open flags. */
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| 88 | intptr_t native; /**< The native file descriptor number. */
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| 89 | } shfile;
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| 90 |
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| 91 | /**
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| 92 | * The file descriptor table for a shell.
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| 93 | */
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| 94 | typedef struct shfdtab
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| 95 | {
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| 96 | shmtx mtx; /**< Mutex protecting any operations on the table and it's handles. */
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| 97 | char *cwd; /**< The current directory for this shell instance. */
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| 98 | unsigned size; /**< The size of the table (number of entries). */
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| 99 | shfile *tab; /**< Pointer to the table. */
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| 100 | } shfdtab;
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| 101 |
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| 102 | int shfile_open(shfdtab *, const char *, unsigned);
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| 103 | int shfile_pipe(shfdtab *, int [2]);
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| 104 | int shfile_close(shfdtab *, unsigned);
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| 105 | long shfile_read(shfdtab *, int, void *, size_t);
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| 106 | long shfile_write(shfdtab *, int, const void *, size_t);
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| 107 | long shfile_lseek(shfdtab *, int, long, int);
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| 108 | int shfile_fcntl(shfdtab *, int fd, int cmd, int arg);
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| 109 | int shfile_dup(shfdtab *, int fd);
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| 110 |
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| 111 | int shfile_stat(shfdtab *, const char *, struct stat *);
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| 112 | int shfile_lstat(shfdtab *, const char *, struct stat *);
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| 113 | int shfile_chdir(shfdtab *, const char *);
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| 114 | char *shfile_getcwd(shfdtab *, char *, int);
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| 115 | int shfile_isatty(shfdtab *, int);
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| 116 | int shfile_ioctl(shfdtab *, int, unsigned long, char *);
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| 117 | int shfile_access(shfdtab *, const char *, int);
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| 118 |
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| 119 | #endif
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| 120 |
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