godzil/dosfstools
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add better error message when the device cannot be opened.

Browse Source 
This is helpful for SD cards or other removable media which have an enabled
write lock -- without the "Permission denied" message, the user has to strace
mkdosfs to find out what's going on.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
This commit is contained in:
Michael Stapelberg 2010-11-19 14:09:36 +01:00 committed by Daniel Baumann
parent bb6000fc30
commit d57980204e
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/mkdosfs.c
View File

@ -1728,8 +1728,10 @@ main (int argc, char **argv)
if (!create) { if (!create) {
check_mount (device_name); /* Is the device already mounted? */ check_mount (device_name); /* Is the device already mounted? */
dev = open (device_name, O_EXCL|O_RDWR); /* Is it a suitable device to build the FS on? */ dev = open (device_name, O_EXCL|O_RDWR); /* Is it a suitable device to build the FS on? */
if (dev < 0) if (dev < 0) {
die ("unable to open %s"); fprintf (stderr, "%s: unable to open %s: %s\n", program_name, device_name, strerror(errno));
exit (1); /* The error exit code is 1! */
}
} }
else { else {
loff_t offset = blocks*BLOCK_SIZE - 1; loff_t offset = blocks*BLOCK_SIZE - 1;