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New OS adapter burn_os_is_2k_seekrw() replaces S_ISBLK() with pseudo-drives

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This commit is contained in:
Thomas Schmitt
2010-01-16 12:51:24 +00:00
parent 7ead54c8b9
commit 39fd8b922d
8 changed files with 224 additions and 35 deletions
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35
libburn/drive.c
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@ -1322,7 +1322,7 @@ int burn_drive__fd_from_special_adr(char *adr)
int burn_drive_grab_dummy(struct burn_drive_info *drive_infos[], char *fname)
{
int ret = -1, fd = -1, role = 0;
int is_fabricated_block_dev, is_block_dev = 0;
int is_block_dev = 0;
/* divided by 512 it needs to fit into a signed long integer */
off_t size = ((off_t) (512 * 1024 * 1024 - 1) * (off_t) 2048);
off_t read_size = -1;
@ -1331,36 +1331,6 @@ int burn_drive_grab_dummy(struct burn_drive_info *drive_infos[], char *fname)
static int allow_role_3 = 1;
/* ts B00112 :
>>> this is just a test hack to work with an USB stick on FreeBSD
*/
#ifdef __FreeBSD__
#define Libburn_guess_block_devicE 1
#endif
#ifdef __FreeBSD_kernel__
#define Libburn_guess_block_devicE 1
#endif
is_fabricated_block_dev = 0;
#ifdef Libburn_guess_block_devicE
{
char *spt;
spt = strrchr(fname, '/');
if (spt == NULL)
spt = fname;
else
spt++;
if (spt[0] == 'd' && spt[1] == 'a' &&
(spt[2] >= '0' || spt[2] <= '9') && spt[3] == 0)
is_fabricated_block_dev = 1;
if (spt[0] == 'c' && spt[1] == 'd' &&
(spt[2] >= '0' || spt[2] <= '9') && spt[3] == 0)
is_fabricated_block_dev = 1;
}
#endif /* Libburn_guess_block_devicE */
if (fname[0] != 0) {
memset(&stbuf, 0, sizeof(stbuf));
fd = burn_drive__fd_from_special_adr(fname);
@ -1369,8 +1339,7 @@ int burn_drive_grab_dummy(struct burn_drive_info *drive_infos[], char *fname)
else
ret = stat(fname, &stbuf);
if (ret != -1) {
is_block_dev = S_ISBLK(stbuf.st_mode) ||
is_fabricated_block_dev;
is_block_dev = burn_os_is_2k_seekrw(fname, 0);
if (S_ISREG(stbuf.st_mode))
read_size = stbuf.st_size;
else if (is_block_dev) {