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@(#)truncate.2 6.7 (Berkeley) 05/18/89
truncate(path, length) char *path; off_t length;ftruncate(fd, length) int fd; off_t length;
15 [ENOTDIR] A component of the path prefix is not a directory.
15 [EINVAL] The pathname contains a character with the high-order bit set.
15 [ENAMETOOLONG] A component of a pathname exceeded 255 characters, or an entire path name exceeded 1023 characters.
15 [ENOENT] The named file does not exist.
15 [EACCES] Search permission is denied for a component of the path prefix.
15 [EACCES] The named file is not writable by the user.
15 [ELOOP] Too many symbolic links were encountered in translating the pathname.
15 [EISDIR] The named file is a directory.
15 [EROFS] The named file resides on a read-only file system.
15 [ETXTBSY] The file is a pure procedure (shared text) file that is being executed.
15 [EIO] An I/O error occurred updating the inode.
15 [EFAULT] Path points outside the process's allocated address space.
Ftruncate succeeds unless:
15 [EBADF] The fd is not a valid descriptor.
15 [EINVAL] The fd references a socket, not a file.
15 [EINVAL] The fd is not open for writing.