mirror of
https://review.haiku-os.org/haiku
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5e9fd9f60d
..instead of readv_pos/writev_pos. This way, we can be sure that we are remapping them properly even under Haiku, as well as remove some potential confusions. bfs_shell seems to still work fine on a regular build.
189 lines
6.8 KiB
C
189 lines
6.8 KiB
C
#ifndef BEOS_BUILD_COMPATIBILITY_H
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#define BEOS_BUILD_COMPATIBILITY_H
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// DEFFILEMODE is not available on platforms with MUSL
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#ifndef DEFFILEMODE
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#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
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#endif
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// There's no ALLPERMS on platforms with MUSL
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#ifndef ALLPERMS
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# define ALLPERMS (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)
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#endif
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#ifndef S_IUMSK
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#define S_IUMSK 07777
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#endif
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typedef unsigned long haiku_build_addr_t;
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#define addr_t haiku_build_addr_t
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#include <Errors.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <sys/uio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Is kernel-only under Linux.
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#ifndef strlcpy
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extern size_t strlcpy(char* dest, const char* source, size_t length);
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#endif
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#ifndef strlcat
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extern size_t strlcat(char* dest, const char* source, size_t length);
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#endif
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#if defined(HAIKU_HOST_PLATFORM_FREEBSD) || defined(HAIKU_HOST_PLATFORM_DARWIN)
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extern size_t strnlen(const char* string, size_t length);
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#endif
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// BeOS only
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#if !defined(HAIKU_HOST_PLATFORM_HAIKU)
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extern ssize_t read_pos(int fd, off_t pos, void* buffer, size_t count);
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extern ssize_t write_pos(int fd, off_t pos, const void* buffer, size_t count);
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#endif
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// There's no O_NOTRAVERSE under Linux and FreeBSD -- we replace it with a flag
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// that won't be used by our tools, preferrably a non-portable one; a fixed
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// constant could always lead to trouble on the host.
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// We can abuse this flag for our purposes as we filter it in libroot.
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#ifndef O_NOTRAVERSE
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# ifdef O_NOCTTY
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# define O_NOTRAVERSE O_NOCTTY
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# elif defined(O_RANDOM)
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# define O_NOTRAVERSE O_RANDOM
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# else
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# error "Search for a proper replacement value for O_NOTRAVERSE"
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# endif
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#endif
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#ifndef S_IUMSK
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# define S_IUMSK ALLPERMS
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#endif
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// remap strerror()
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extern char* _haiku_build_strerror(int errnum);
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#ifndef BUILDING_HAIKU_ERROR_MAPPER
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#undef strerror
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#define strerror(errnum) _haiku_build_strerror(errnum)
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#endif // BUILDING_HAIKU_ERROR_MAPPER
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// remap file descriptor functions
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int _haiku_build_fchmod(int fd, mode_t mode);
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int _haiku_build_fchmodat(int fd, const char* path, mode_t mode, int flag);
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int _haiku_build_fstat(int fd, struct stat* st);
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int _haiku_build_fstatat(int fd, const char* path, struct stat* st,
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int flag);
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int _haiku_build_mkdirat(int fd, const char* path, mode_t mode);
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int _haiku_build_mkfifoat(int fd, const char* path, mode_t mode);
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int _haiku_build_utimensat(int fd, const char* path,
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const struct timespec times[2], int flag);
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int _haiku_build_futimens(int fd, const struct timespec times[2]);
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int _haiku_build_faccessat(int fd, const char* path, int accessMode,
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int flag);
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int _haiku_build_fchdir(int fd);
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int _haiku_build_close(int fd);
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int _haiku_build_dup(int fd);
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int _haiku_build_dup2(int fd1, int fd2);
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int _haiku_build_linkat(int toFD, const char* toPath, int pathFD,
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const char* path, int flag);
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int _haiku_build_unlinkat(int fd, const char* path, int flag);
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ssize_t _haiku_build_readlinkat(int fd, const char* path, char* buffer,
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size_t bufferSize);
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int _haiku_build_symlinkat(const char* toPath, int fd,
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const char* symlinkPath);
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int _haiku_build_ftruncate(int fd, off_t newSize);
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int _haiku_build_fchown(int fd, uid_t owner, gid_t group);
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int _haiku_build_fchownat(int fd, const char* path, uid_t owner,
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gid_t group, int flag);
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int _haiku_build_mknodat(int fd, const char* name, mode_t mode, dev_t dev);
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int _haiku_build_creat(const char* path, mode_t mode);
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#ifndef _HAIKU_BUILD_DONT_REMAP_FD_FUNCTIONS
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int _haiku_build_open(const char* path, int openMode, ...);
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int _haiku_build_openat(int fd, const char* path, int openMode, ...);
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int _haiku_build_fcntl(int fd, int op, ...);
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#else
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int _haiku_build_open(const char* path, int openMode, mode_t permissions);
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int _haiku_build_openat(int fd, const char* path, int openMode,
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mode_t permissions);
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int _haiku_build_fcntl(int fd, int op, int argument);
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#endif
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int _haiku_build_renameat(int fromFD, const char* from, int toFD,
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const char* to);
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#ifndef _HAIKU_BUILD_DONT_REMAP_FD_FUNCTIONS
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# define fchmod(fd, mode) _haiku_build_fchmod(fd, mode)
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# define fchmodat(fd, path, mode, flag) \
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_haiku_build_fchmodat(fd, path, mode, flag)
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# define fstat(fd, st) _haiku_build_fstat(fd, st)
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# define fstatat(fd, path, st, flag) _haiku_build_fstatat(fd, path, st, flag)
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# define mkdirat(fd, path, mode) _haiku_build_mkdirat(fd, path, mode)
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# define mkfifoat(fd, path, mode) _haiku_build_mkfifoat(fd, path, mode)
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# define utimensat(fd, path, times, flag) \
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_haiku_build_utimensat(fd, path, times, flag)
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# define futimens(fd, times) _haiku_build_futimens(fd, times)
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# define faccessat(fd, path, accessMode, flag) \
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_haiku_build_faccessat(fd, path, accessMode, flag)
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# define fchdir(fd) _haiku_build_fchdir(fd)
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# define close(fd) _haiku_build_close(fd)
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# define dup(fd) _haiku_build_dup(fd)
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# define dup2(fd1, fd2) _haiku_build_dup2(fd1, fd2)
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# define linkat(toFD, toPath, pathFD, path, flag) \
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_haiku_build_linkat(toFD, toPath, pathFD, path, flag)
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# define unlinkat(fd, path, flag) _haiku_build_unlinkat(fd, path, flag)
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# define readlinkat(fd, path, buffer, bufferSize) \
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_haiku_build_readlinkat(fd, path, buffer, bufferSize)
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# define symlinkat(toPath, fd, symlinkPath) \
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_haiku_build_symlinkat(toPath, fd, symlinkPath)
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# define ftruncate(fd, newSize) _haiku_build_ftruncate(fd, newSize)
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# define fchown(fd, owner, group) _haiku_build_fchown(fd, owner, group)
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# define fchownat(fd, path, owner, group, flag) \
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_haiku_build_fchownat(fd, path, owner, group, flag)
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# define mknodat(fd, name, mode, dev) \
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_haiku_build_mknodat(fd, name, mode, dev)
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# define creat(path, mode) _haiku_build_creat(path, mode)
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# define open(path, openMode...) _haiku_build_open(path, openMode)
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# define openat(fd, path, openMode...) \
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_haiku_build_openat(fd, path, openMode)
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# define fcntl(fd, op...) _haiku_build_fcntl(fd, op)
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# define renameat(fromFD, from, toFD, to) \
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_haiku_build_renameat(fromFD, from, toFD, to)
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# if defined(HAIKU_HOST_USE_XATTR) && defined(HAIKU_HOST_PLATFORM_HAIKU)
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# define fs_read_attr _haiku_build_fs_read_attr
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# define fs_write_attr _haiku_build_fs_write_attr
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# define fs_remove_attr _haiku_build_fs_remove_attr
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# define fs_stat_attr _haiku_build_fs_stat_attr
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# define fs_open_attr _haiku_build_fs_open_attr
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# define fs_fopen_attr _haiku_build_fs_fopen_attr
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# define fs_close_attr _haiku_build_fs_close_attr
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# define fs_open_attr_dir _haiku_build_fs_open_attr_dir
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# define fs_fopen_attr_dir _haiku_build_fs_fopen_attr_dir
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# define fs_close_attr_dir _haiku_build_fs_close_attr_dir
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# define fs_read_attr_dir _haiku_build_fs_read_attr_dir
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# define fs_rewind_attr_dir _haiku_build_fs_rewind_attr_dir
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# endif
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#endif // _HAIKU_BUILD_DONT_REMAP_FD_FUNCTIONS
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // BEOS_BUILD_COMPATIBILITY_H
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