#include "vl.h"
#include "block_int.h"
+#ifdef _BSD
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/queue.h>
+#include <sys/disk.h>
+#endif
+
static BlockDriverState *bdrv_first;
static BlockDriver *first_drv;
}
#endif
+/* XXX: force raw format if block or character device ? It would
+ simplify the BSD case */
static BlockDriver *find_image_format(const char *filename)
{
int fd, ret, score, score_max;
BlockDriver *drv1, *drv;
- uint8_t buf[1024];
+ uint8_t *buf;
+ size_t bufsize = 1024;
fd = open(filename, O_RDONLY | O_BINARY | O_LARGEFILE);
if (fd < 0)
return NULL;
- ret = read(fd, buf, sizeof(buf));
+#ifdef DIOCGSECTORSIZE
+ {
+ unsigned int sectorsize = 512;
+ if (!ioctl(fd, DIOCGSECTORSIZE, §orsize) &&
+ sectorsize > bufsize)
+ bufsize = sectorsize;
+ }
+#endif
+ buf = malloc(bufsize);
+ if (!buf)
+ return NULL;
+ ret = read(fd, buf, bufsize);
if (ret < 0) {
close(fd);
+ free(buf);
return NULL;
}
close(fd);
drv = drv1;
}
}
+ free(buf);
return drv;
}
return -1;
bs->read_only = 1;
}
- size = lseek(fd, 0, SEEK_END);
+#ifdef _BSD
+ {
+ struct stat sb;
+ if (!fstat(fd, &sb) && (S_IFCHR & sb.st_mode)) {
+#ifdef DIOCGMEDIASIZE
+ if (ioctl(fd, DIOCGMEDIASIZE, (off_t *)&size))
+#endif
+ size = lseek(fd, 0LL, SEEK_END);
+ } else
+#endif
+ {
+ size = lseek(fd, 0, SEEK_END);
+ }
#ifdef _WIN32
/* On Windows hosts it can happen that we're unable to get file size
for CD-ROM raw device (it's inherent limitation of the CDFS driver). */