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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:21:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:21:29 +0000
commit29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc (patch)
tree63ef546b10a81d461e5cf5ed9e98a68cd7dee1aa /src/kash/shfile.h
parentInitial commit. (diff)
downloadkbuild-29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc.tar.xz
kbuild-29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc.zip
Adding upstream version 1:0.1.9998svn3589+dfsg.upstream/1%0.1.9998svn3589+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/kash/shfile.h')
-rw-r--r--src/kash/shfile.h229
1 files changed, 229 insertions, 0 deletions
diff --git a/src/kash/shfile.h b/src/kash/shfile.h
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+/* $Id: shfile.h 3473 2020-09-16 21:12:58Z bird $ */
+/** @file
+ * File management.
+ */
+
+/*
+ * Copyright (c) 2007-2010 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
+ *
+ *
+ * This file is part of kBuild.
+ *
+ * kBuild is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * kBuild is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with kBuild; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef ___shfile_h
+#define ___shfile_h
+
+#include "shtypes.h"
+#include "shthread.h"
+#include <fcntl.h>
+#include <sys/stat.h>
+#ifdef _MSC_VER
+# define _PATH_DEVNULL "nul"
+# define _PATH_DEFPATH "."
+#else
+# if !defined(__sun__)
+# include <paths.h>
+# endif
+# ifndef _PATH_DEVNULL
+# define _PATH_DEVNULL "/dev/null"
+# endif
+# ifndef _PATH_DEFPATH
+# define _PATH_DEFPATH "/bin:/usr/bin:/sbin:/usr/sbin"
+# endif
+#endif
+#include <limits.h> /* for PIPE_BUF */
+#ifndef _MSC_VER
+# include <fcntl.h>
+# include <unistd.h>
+# ifndef O_BINARY
+# define O_BINARY 0
+# endif
+# ifndef O_TEXT
+# define O_TEXT 0
+# endif
+
+#else
+# include <io.h>
+# include <direct.h>
+
+# define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
+# define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
+# define S_ISLNK(m) 0
+# define S_IRWXU (_S_IREAD | _S_IWRITE | _S_IEXEC)
+# define S_IXUSR _S_IEXEC
+# define S_IWUSR _S_IWRITE
+# define S_IRUSR _S_IREAD
+# define S_IRWXG 0000070
+# define S_IRGRP 0000040
+# define S_IWGRP 0000020
+# define S_IXGRP 0000010
+# define S_IRWXO 0000007
+# define S_IROTH 0000004
+# define S_IWOTH 0000002
+# define S_IXOTH 0000001
+# define S_ISUID 0004000
+# define S_ISGID 0002000
+# define ALLPERMS 0000777
+
+# define F_DUPFD 0
+# define F_GETFD 1
+# define F_SETFD 2
+# define F_GETFL 3
+# define F_SETFL 4
+# define FD_CLOEXEC 1
+
+# define F_OK 0
+# define X_OK 1
+# define W_OK 2
+# define R_OK 4
+
+# define O_NONBLOCK 0 /** @todo */
+
+#endif
+#if K_OS == K_OS_WINDOWS
+# include "nt/ntstat.h"
+#endif
+
+
+/**
+ * One file.
+ */
+typedef struct shfile
+{
+ int fd; /**< The shell file descriptor number. */
+ unsigned oflags; /**< Open flags. */
+ unsigned shflags; /**< The shell file descriptor flags. */
+ intptr_t native; /**< The native file descriptor number. */
+#ifdef DEBUG
+ char *dbgname; /**< The name of the file, if applicable, debug builds only. */
+# define SHFILE_DBGNAME(a) a
+# else
+# define SHFILE_DBGNAME(a) NULL
+#endif
+} shfile;
+
+/** @name shfile::shflags values.
+ * @{
+ */
+#define SHFILE_FLAGS_CLOSE_ON_EXEC 0x0001
+#define SHFILE_FLAGS_TRACE 0x0002 /**< The 'trace' file, keep open after execve. */
+#define SHFILE_FLAGS_TYPE_MASK 0x00f0
+#define SHFILE_FLAGS_FILE 0x0000
+#define SHFILE_FLAGS_PIPE 0x0010
+#define SHFILE_FLAGS_DIR 0x0020
+#define SHFILE_FLAGS_TTY 0x0030
+#define SHFILE_FLAGS_DIRTY 0x0100 /**< The file has been written to. */
+/** @} */
+
+/**
+ * The file descriptor table for a shell.
+ */
+typedef struct shfdtab
+{
+ shmtx mtx; /**< Mutex protecting any operations on the table and it's handles. */
+ char *cwd; /**< The current directory for this shell instance. */
+ unsigned size; /**< The size of the table (number of entries). */
+ shfile *tab; /**< Pointer to the table. */
+} shfdtab;
+
+int shfile_init(shfdtab *, shfdtab *);
+void shfile_uninit(shfdtab *, int);
+void shfile_fork_win(shfdtab *pfdtab, int set, intptr_t *hndls);
+typedef struct shfdexecwin
+{
+ int inherithandles;
+ int startsuspended;
+ shmtxtmp tmp;
+ int replacehandles[3];
+ intptr_t handles[3];
+ void *strtinfo;
+} shfdexecwin;
+int shfile_exec_win(shfdtab *pfdtab, int prepare, shfdexecwin *info);
+int shfile_exec_unix(shfdtab *pfdtab);
+#if K_OS == K_OS_WINDOWS && defined(KASH_ASYNC_CLOSE_HANDLE)
+void shfile_async_close_sync(void);
+#endif
+
+int shfile_open(shfdtab *, const char *, unsigned, mode_t);
+#if K_OS == K_OS_WINDOWS
+# define SHFILE_PIPE_SIZE 65536
+#elif defined(PIPE_BUF)
+# define SHFILE_PIPE_SIZE PIPE_BUF
+#else
+# define SHFILE_PIPE_SIZE 4096
+#endif
+int shfile_pipe(shfdtab *, int [2]);
+int shfile_close(shfdtab *, unsigned);
+long shfile_read(shfdtab *, int, void *, size_t);
+long shfile_write(shfdtab *, int, const void *, size_t);
+long shfile_lseek(shfdtab *, int, long, int);
+int shfile_fcntl(shfdtab *, int fd, int cmd, int arg);
+int shfile_dup(shfdtab *, int fd);
+int shfile_movefd(shfdtab *, int fdfrom, int fdto);
+int shfile_movefd_above(shfdtab *, int fdfrom, int fdmin);
+
+int shfile_stat(shfdtab *, const char *, struct stat *);
+int shfile_stat_isreg(shfdtab *, const char *); /**< returns -1, 0 or 1. */
+int shfile_stat_exists(shfdtab *, const char *); /**< same as shfile_stat, but discards the stat data. */
+int shfile_lstat(shfdtab *, const char *, struct stat *);
+int shfile_chdir(shfdtab *, const char *);
+char *shfile_getcwd(shfdtab *, char *, int);
+int shfile_access(shfdtab *, const char *, int);
+int shfile_isatty(shfdtab *, int);
+int shfile_cloexec(shfdtab *, int, int);
+int shfile_set_trace(shfdtab *, int);
+int shfile_ioctl(shfdtab *, int, unsigned long, void *);
+#if defined(_MSC_VER) || defined(__OS2__)
+# define TIOCGWINSZ 0x4201
+typedef struct sh_winsize
+{
+ unsigned ws_row; /**< Rows, in characters. */
+ unsigned ws_col; /**< Columns, in characters. */
+ unsigned ws_xpixel; /**< Horizontal size, pixels. */
+ unsigned ws_ypixel; /**< Vertical size, pixels. */
+} sh_winsize;
+#else
+typedef struct winsize sh_winsize;
+#endif
+mode_t shfile_get_umask(shfdtab *);
+void shfile_set_umask(shfdtab *, mode_t);
+
+
+typedef struct sh_dirent
+{
+ char name[260];
+} shdirent;
+
+typedef struct shdir
+{
+ shfdtab *pfdtab;
+ void *native;
+ shdirent ent;
+#if K_OS == K_OS_WINDOWS
+ size_t off;
+ size_t cb;
+ char buf[32768 - sizeof(void *) * 2 - sizeof(shdirent) * 2];
+#endif
+} shdir;
+
+shdir *shfile_opendir(shfdtab *, const char *);
+shdirent *shfile_readdir(struct shdir *);
+void shfile_closedir(struct shdir *);
+
+#endif
+