diff options
Diffstat (limited to 'openbsd-compat/bsd-statvfs.c')
| -rw-r--r-- | openbsd-compat/bsd-statvfs.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/openbsd-compat/bsd-statvfs.c b/openbsd-compat/bsd-statvfs.c new file mode 100644 index 0000000..18ca726 --- /dev/null +++ b/openbsd-compat/bsd-statvfs.c @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2008,2014 Darren Tucker <dtucker@zip.com.au> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "includes.h" + +#if !defined(HAVE_STATVFS) || !defined(HAVE_FSTATVFS) + +#ifdef HAVE_SYS_MOUNT_H +# include <sys/mount.h> +#endif + +#include <errno.h> + +#ifndef MNAMELEN +# define MNAMELEN 32 +#endif + +#ifdef HAVE_STRUCT_STATFS_F_FILES +# define HAVE_STRUCT_STATFS +#endif + +#ifdef HAVE_STRUCT_STATFS +static void +copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from) +{ + to->f_bsize = from->f_bsize; + to->f_frsize = from->f_bsize; /* no exact equivalent */ + to->f_blocks = from->f_blocks; + to->f_bfree = from->f_bfree; + to->f_bavail = from->f_bavail; + to->f_files = from->f_files; + to->f_ffree = from->f_ffree; + to->f_favail = from->f_ffree; /* no exact equivalent */ + to->f_fsid = 0; /* XXX fix me */ +#ifdef HAVE_STRUCT_STATFS_F_FLAGS + to->f_flag = from->f_flags; +#else + to->f_flag = 0; +#endif + to->f_namemax = MNAMELEN; +} +#endif + +# ifndef HAVE_STATVFS +int statvfs(const char *path, struct statvfs *buf) +{ +# if defined(HAVE_STATFS) && defined(HAVE_STRUCT_STATFS) + struct statfs fs; + + memset(&fs, 0, sizeof(fs)); + if (statfs(path, &fs) == -1) + return -1; + copy_statfs_to_statvfs(buf, &fs); + return 0; +# else + errno = ENOSYS; + return -1; +# endif +} +# endif + +# ifndef HAVE_FSTATVFS +int fstatvfs(int fd, struct statvfs *buf) +{ +# if defined(HAVE_FSTATFS) && defined(HAVE_STRUCT_STATFS) + struct statfs fs; + + memset(&fs, 0, sizeof(fs)); + if (fstatfs(fd, &fs) == -1) + return -1; + copy_statfs_to_statvfs(buf, &fs); + return 0; +# else + errno = ENOSYS; + return -1; +# endif +} +# endif + +#endif |