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2009-08-25 Joel Sherrill <joel.sherrill@OARcorp.com>

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* libfs/src/devfs/devfs_eval.c: Fix bug where use of strncmp() resulted
	in a partial match being considered a full name match. On ERC32,
	looking for /dev/console would match /dev/console_b first.
This commit is contained in:
Joel Sherrill
2009-08-25 13:45:30 +00:00
parent eef91afaab
commit 0d32490025
2 changed files with 37 additions and 24 deletions
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6
cpukit/ChangeLog
View File

@@ -1,3 +1,9 @@
2009-08-25 Joel Sherrill <joel.sherrill@OARcorp.com>
* libfs/src/devfs/devfs_eval.c: Fix bug where use of strncmp() resulted
in a partial match being considered a full name match. On ERC32,
looking for /dev/console would match /dev/console_b first.
2009-08-21 Roxana Leontie <roxana.leontie@gmail.com>
* Makefile.am, preinstall.am, libmisc/Makefile.am: Changed the name of

55
cpukit/libfs/src/devfs/devfs_eval.c
View File

@@ -22,33 +22,40 @@ int devFS_evaluate_path(
rtems_filesystem_location_info_t *pathloc
)
{
int i;
rtems_device_name_t *device_name_table;
int i;
rtems_device_name_t *device_name_table;
/* see if 'flags' is valid */
if ( !rtems_libio_is_valid_perms( flags ) ) {
assert( 0 );
rtems_set_errno_and_return_minus_one( EIO );
}
/* see if 'flags' is valid */
if ( !rtems_libio_is_valid_perms( flags ) ) {
assert( 0 );
rtems_set_errno_and_return_minus_one( EIO );
}
/* get the device name table */
device_name_table = (rtems_device_name_t *)pathloc->node_access;
if (!device_name_table)
rtems_set_errno_and_return_minus_one( EFAULT );
/* get the device name table */
device_name_table = (rtems_device_name_t *)pathloc->node_access;
if (!device_name_table)
rtems_set_errno_and_return_minus_one( EFAULT );
for (i = 0; i < rtems_device_table_size; i++){
if ((device_name_table[i].device_name) &&
(strncmp(pathname, device_name_table[i].device_name, pathnamelen) == 0)){
/* find the device, set proper values */
pathloc->node_access = (void *)&device_name_table[i];
pathloc->handlers = &devFS_file_handlers;
pathloc->ops = &devFS_ops;
pathloc->mt_entry = rtems_filesystem_root.mt_entry;
return 0;
}
}
/* no such file or directory */
rtems_set_errno_and_return_minus_one( ENOENT );
for (i = 0; i < rtems_device_table_size; i++) {
if (!device_name_table[i].device_name)
continue;
if (strncmp(pathname, device_name_table[i].device_name, pathnamelen) != 0)
continue;
if (device_name_table[i].device_name[pathnamelen] != '\0')
continue;
/* find the device, set proper values */
pathloc->node_access = (void *)&device_name_table[i];
pathloc->handlers = &devFS_file_handlers;
pathloc->ops = &devFS_ops;
pathloc->mt_entry = rtems_filesystem_root.mt_entry;
return 0;
}
/* no such file or directory */
rtems_set_errno_and_return_minus_one( ENOENT );
}