libarchive: Check for 'struct statvfs' member 'f_iosize'

Configure the result as definition HAVE_STRUCT_STATVFS_F_IOSIZE and use
the member only if it exists.  At least one platform (IRIX) provides
struct statvfs without this member.
This commit is contained in:
Brad King 2011-12-22 16:59:14 -05:00
parent 8b7ee30bf4
commit 02d5e40572
3 changed files with 14 additions and 0 deletions

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@ -799,6 +799,12 @@ CHECK_STRUCT_MEMBER("struct stat" st_blksize
# Check for st_flags in struct stat (BSD fflags)
CHECK_STRUCT_MEMBER("struct stat" st_flags
"sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_FLAGS)
IF(HAVE_SYS_STATVFS_H)
CHECK_STRUCT_MEMBER("struct statvfs" f_iosize
"sys/types.h;sys/statvfs.h" HAVE_STRUCT_STATVFS_F_IOSIZE)
ENDIF()
#
#
CHECK_STRUCT_MEMBER("struct tm" tm_sec

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@ -785,6 +785,9 @@ typedef uint64_t uintmax_t;
/* Define to 1 if `f_namemax' is a member of `struct statfs'. */
#cmakedefine HAVE_STRUCT_STATFS_F_NAMEMAX 1
/* Define to 1 if `f_iosize' is a member of `struct statvfs'. */
#cmakedefine HAVE_STRUCT_STATVFS_F_IOSIZE 1
/* Define to 1 if `st_birthtime' is a member of `struct stat'. */
#cmakedefine HAVE_STRUCT_STAT_ST_BIRTHTIME 1

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@ -1382,8 +1382,13 @@ setup_current_filesystem(struct archive_read_disk *a)
* for pathconf() function. */
t->current_filesystem->xfer_align = sfs.f_frsize;
t->current_filesystem->max_xfer_size = -1;
#if defined(HAVE_STRUCT_STATVFS_F_IOSIZE)
t->current_filesystem->min_xfer_size = sfs.f_iosize;
t->current_filesystem->incr_xfer_size = sfs.f_iosize;
#else
t->current_filesystem->min_xfer_size = sfs.f_bsize;
t->current_filesystem->incr_xfer_size = sfs.f_bsize;
#endif
}
if (sfs.f_flag & ST_LOCAL)
t->current_filesystem->remote = 0;