Ingo Weinhold
3e61704042
Added parameters --start-offset and --end-offset to restrict the access of the file system to only that part of the given file. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23970 a95241bf-73f2-0310-859d-f6bbb57e9c96
66 lines
1.2 KiB
C++
66 lines
1.2 KiB
C++
/*
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* Copyright 2007-2008, Ingo Weinhold, [email protected].
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* Distributed under the terms of the MIT License.
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*/
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#include "fssh_fcntl.h"
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#include <fcntl.h>
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#include <stdarg.h>
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#include "fssh_errno.h"
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#include "partition_support.h"
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#include "stat_util.h"
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using namespace FSShell;
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#ifndef __BEOS__
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// The _kern_open() defined in libroot_build.so.
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extern "C" int _kern_open(int fd, const char *path, int openMode,
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int perms);
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#endif
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int
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fssh_open(const char *pathname, int oflags, ...)
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{
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va_list args;
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va_start(args, oflags);
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// get the mode, if O_CREAT was specified
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fssh_mode_t mode = 0;
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if (oflags & FSSH_O_CREAT)
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mode = va_arg(args, fssh_mode_t);
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va_end(args);
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// Use the _kern_open() defined in libroot on BeOS incompatible systems.
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// Required for proper attribute emulation support.
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int fd;
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#if __BEOS__
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fd = open(pathname, to_platform_open_mode(oflags),
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to_platform_mode(mode));
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#else
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fd = _kern_open(-1, pathname, to_platform_open_mode(oflags),
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to_platform_mode(mode));
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if (fd < 0) {
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fssh_set_errno(fd);
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fd = -1;
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}
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#endif
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restricted_file_opened(fd);
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return fd;
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}
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int
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fssh_creat(const char *path, fssh_mode_t mode)
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{
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return fssh_open(path, FSSH_O_WRONLY | FSSH_O_CREAT | FSSH_O_TRUNC, mode);
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}
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