diff options
Diffstat (limited to 'contrib/syslinux-4.02/com32/lib/sys/fstat.c')
-rw-r--r-- | contrib/syslinux-4.02/com32/lib/sys/fstat.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/lib/sys/fstat.c b/contrib/syslinux-4.02/com32/lib/sys/fstat.c new file mode 100644 index 0000000..0ce8cad --- /dev/null +++ b/contrib/syslinux-4.02/com32/lib/sys/fstat.c @@ -0,0 +1,63 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2005-2008 H. Peter Anvin - All Rights Reserved + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall + * be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * ----------------------------------------------------------------------- */ + +/* + * fstat.c + * + * Very trivial fstat emulation + */ + +#include <sys/stat.h> +#include <errno.h> +#include "file.h" + +int fstat(int fd, struct stat *buf) +{ + struct file_info *fp = &__file_info[fd]; + + if (fd >= NFILES || !fp->iop) { + errno = EBADF; + return -1; + } + + if (fp->iop->flags & __DEV_FILE) { + if (fp->i.fd.size == (uint32_t) - 1) { + /* File of unknown length, report it as a socket + (it probably really is, anyway!) */ + buf->st_mode = S_IFSOCK | 0444; + buf->st_size = 0; + } else { + buf->st_mode = S_IFREG | 0444; + buf->st_size = fp->i.fd.size; + } + } else { + buf->st_mode = S_IFCHR | 0666; + buf->st_size = 0; + } + + return 0; +} |