update exfat from current head
Change-Id: I7d93474296612fda1dde23f6e8690668d6880e27
diff --git a/exfat/libexfat/io.c b/exfat/libexfat/io.c
index 306c5dd..a861bdd 100644
--- a/exfat/libexfat/io.c
+++ b/exfat/libexfat/io.c
@@ -3,7 +3,7 @@
exFAT file system implementation library.
Free exFAT implementation.
- Copyright (C) 2010-2013 Andrew Nayenko
+ Copyright (C) 2010-2014 Andrew Nayenko
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -24,13 +24,19 @@
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <sys/mount.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
-#ifdef __APPLE__
+#include <errno.h>
+#if defined(__APPLE__)
#include <sys/disk.h>
+#elif defined(__OpenBSD__)
+#include <sys/param.h>
+#include <sys/disklabel.h>
+#include <sys/dkio.h>
+#include <sys/ioctl.h>
#endif
+#include <sys/mount.h>
#ifdef USE_UBLIO
#include <sys/uio.h>
#include <ublio.h>
@@ -65,6 +71,7 @@
if (fd != -1 && ioctl(fd, BLKROGET, &ro) == 0 && ro)
{
close(fd);
+ errno = EROFS;
return -1;
}
#endif
@@ -93,7 +100,8 @@
if (dev->fd == -1)
{
free(dev);
- exfat_error("failed to open `%s' in read-only mode", spec);
+ exfat_error("failed to open '%s' in read-only mode: %s", spec,
+ strerror(errno));
return NULL;
}
dev->mode = EXFAT_MODE_RO;
@@ -103,7 +111,8 @@
if (dev->fd == -1)
{
free(dev);
- exfat_error("failed to open `%s' in read-write mode", spec);
+ exfat_error("failed to open '%s' in read-write mode: %s", spec,
+ strerror(errno));
return NULL;
}
dev->mode = EXFAT_MODE_RW;
@@ -119,11 +128,11 @@
if (dev->fd != -1)
{
dev->mode = EXFAT_MODE_RO;
- exfat_warn("`%s' is write-protected, mounting read-only", spec);
+ exfat_warn("'%s' is write-protected, mounting read-only", spec);
break;
}
free(dev);
- exfat_error("failed to open `%s'", spec);
+ exfat_error("failed to open '%s': %s", spec, strerror(errno));
return NULL;
}
@@ -131,7 +140,7 @@
{
close(dev->fd);
free(dev);
- exfat_error("failed to fstat `%s'", spec);
+ exfat_error("failed to fstat '%s'", spec);
return NULL;
}
if (!S_ISBLK(stbuf.st_mode) &&
@@ -140,11 +149,11 @@
{
close(dev->fd);
free(dev);
- exfat_error("`%s' is neither a device, nor a regular file", spec);
+ exfat_error("'%s' is neither a device, nor a regular file", spec);
return NULL;
}
-#ifdef __APPLE__
+#if defined(__APPLE__)
if (!S_ISREG(stbuf.st_mode))
{
uint32_t block_size = 0;
@@ -167,6 +176,32 @@
dev->size = blocks * block_size;
}
else
+#elif defined(__OpenBSD__)
+ if (!S_ISREG(stbuf.st_mode))
+ {
+ struct disklabel lab;
+ struct partition* pp;
+ char* partition;
+
+ if (ioctl(dev->fd, DIOCGDINFO, &lab) == -1)
+ {
+ close(dev->fd);
+ free(dev);
+ exfat_error("failed to get disklabel");
+ return NULL;
+ }
+
+ /* Don't need to check that partition letter is valid as we won't get
+ this far otherwise. */
+ partition = strchr(spec, '\0') - 1;
+ pp = &(lab.d_partitions[*partition - 'a']);
+ dev->size = DL_GETPSIZE(pp) * lab.d_secsize;
+
+ if (pp->p_fstype != FS_NTFS)
+ exfat_warn("partition type is not 0x07 (NTFS/exFAT); "
+ "you can fix this with fdisk(8)");
+ }
+ else
#endif
{
/* works for Linux, FreeBSD, Solaris */
@@ -175,14 +210,14 @@
{
close(dev->fd);
free(dev);
- exfat_error("failed to get size of `%s'", spec);
+ exfat_error("failed to get size of '%s'", spec);
return NULL;
}
if (exfat_seek(dev, 0, SEEK_SET) == -1)
{
close(dev->fd);
free(dev);
- exfat_error("failed to seek to the beginning of `%s'", spec);
+ exfat_error("failed to seek to the beginning of '%s'", spec);
return NULL;
}
}
@@ -210,32 +245,41 @@
int exfat_close(struct exfat_dev* dev)
{
+ int rc = 0;
+
#ifdef USE_UBLIO
if (ublio_close(dev->ufh) != 0)
+ {
exfat_error("failed to close ublio");
+ rc = -EIO;
+ }
#endif
if (close(dev->fd) != 0)
{
- free(dev);
- exfat_error("failed to close device");
- return 1;
+ exfat_error("failed to close device: %s", strerror(errno));
+ rc = -EIO;
}
free(dev);
- return 0;
+ return rc;
}
int exfat_fsync(struct exfat_dev* dev)
{
+ int rc = 0;
+
#ifdef USE_UBLIO
if (ublio_fsync(dev->ufh) != 0)
-#else
- if (fsync(dev->fd) != 0)
-#endif
{
- exfat_error("fsync failed");
- return 1;
+ exfat_error("ublio fsync failed");
+ rc = -EIO;
}
- return 0;
+#endif
+ if (fsync(dev->fd) != 0)
+ {
+ exfat_error("fsync failed: %s", strerror(errno));
+ rc = -EIO;
+ }
+ return rc;
}
enum exfat_mode exfat_get_mode(const struct exfat_dev* dev)