[PATCH] better fix for NAME="foo-%c{N}" gets a truncated name

On Wed, Mar 03, 2004 at 04:56:34PM -0800, Greg KH wrote:
> On Wed, Mar 03, 2004 at 03:57:04PM -0800, Patrick Mansfield wrote:
> >
> > Here is a patch for some new tests.
>
> Applied, thanks.

Here is a small improvement, which looks much better.

Hey Pat, thanks a lot for finding the recent bug, hope this one will
not break it again :)
This commit is contained in:
kay.sievers@vrfy.org 2004-03-04 18:55:34 -08:00 committed by Greg KH
parent a3fa7908e2
commit ef672b3dc4
5 changed files with 15 additions and 11 deletions

View File

@ -220,8 +220,9 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
char *attr;
int len;
int i;
int spos, slen;
char c;
char *spos;
int slen;
struct sysfs_attribute *tmpattr;
pos = string;
@ -278,7 +279,6 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
i = atoi(attr);
if (i > 0) {
foreach_strpart(udev->program_result, " \n\r", spos, slen) {
strnfieldcpy(temp2, udev->program_result + spos, slen+1);
i--;
if (i == 0)
break;
@ -287,6 +287,7 @@ static void apply_format(struct udevice *udev, char *string, size_t maxsize,
dbg("requested part of result string not found");
break;
}
strnfieldcpy(temp2, spos, slen+1);
strnfieldcat(string, temp2, maxsize);
dbg("substitute part of result string '%s'", temp2);
} else {

View File

@ -195,7 +195,8 @@ static int create_node(struct udevice *dev, int fake)
gid_t gid = 0;
int i;
int tail;
int pos, len;
char *pos;
int len;
strfieldcpy(filename, udev_root);
strfieldcat(filename, dev->name);
@ -281,7 +282,7 @@ static int create_node(struct udevice *dev, int fake)
/* create symlink if requested */
foreach_strpart(dev->symlink, " ", pos, len) {
strnfieldcpy(linkname, dev->symlink + pos, len+1);
strnfieldcpy(linkname, pos, len+1);
strfieldcpy(filename, udev_root);
strfieldcat(filename, linkname);
dbg("symlink '%s' to node '%s' requested", filename, dev->name);

View File

@ -72,7 +72,8 @@ static int delete_node(struct udevice *dev)
char partitionname[NAME_SIZE];
int retval;
int i;
int pos, len;
char *pos;
int len;
strfieldcpy(filename, udev_root);
strfieldcat(filename, dev->name);
@ -102,7 +103,7 @@ static int delete_node(struct udevice *dev)
delete_path(filename);
foreach_strpart(dev->symlink, " ", pos, len) {
strnfieldcpy(linkname, dev->symlink + pos, len+1);
strnfieldcpy(linkname, pos, len+1);
strfieldcpy(filename, udev_root);
strfieldcat(filename, linkname);

6
udev.h
View File

@ -98,9 +98,9 @@ do { \
} while (0)
#define foreach_strpart(str, separator, pos, len) \
for(pos = 0, len = strcspn(str, separator); \
(pos) < strlen(str); \
pos = pos + (len) + 1, len = strcspn((str) + pos, separator)) \
for(pos = str, len = 0; \
(pos) < ((str) + strlen(str)); \
pos = pos + len + strspn(pos, separator), len = strcspn(pos, separator)) \
if (len > 0)
static inline char *get_action(void)

View File

@ -179,7 +179,8 @@ static int find_found;
static int find_device_by_name(char *path, struct udevice *dev)
{
int pos, len;
char *pos;
int len;
if (strncmp(dev->name, find_name, sizeof(dev->name)) == 0) {
memcpy(find_dev, dev, sizeof(struct udevice));
@ -190,7 +191,7 @@ static int find_device_by_name(char *path, struct udevice *dev)
}
/* look for matching symlink*/
foreach_strpart(dev->symlink, " ", pos, len) {
if (strncmp(&dev->symlink[pos], find_name, len) != 0)
if (strncmp(pos, find_name, len) != 0)
continue;
if (len != strlen(find_name))