Index: lib/libutil/getdiskrawname.c
===================================================================
RCS file: /cvsroot/src/lib/libutil/getdiskrawname.c,v
retrieving revision 1.1
diff -u -r1.1 getdiskrawname.c
--- lib/libutil/getdiskrawname.c 7 Apr 2012 16:44:39 -0000 1.1
+++ lib/libutil/getdiskrawname.c 25 Nov 2013 22:29:00 -0000
@@ -37,18 +37,26 @@
#include <string.h>
#include <errno.h>
#include <util.h>
+#include <unistd.h>
const char *
getdiskrawname(char *buf, size_t bufsiz, const char *name)
{
const char *dp = strrchr(name, '/');
struct stat st;
+ ssize_t len;
if (dp == NULL) {
errno = EINVAL;
return NULL;
}
+ len = readlink(name, buf, bufsiz-1);
+ if (len > 0) {
+ buf[len] = '\0';
+ name = buf;
+ }
+
if (stat(name, &st) == -1)
return NULL;
@@ -67,11 +75,19 @@
{
const char *dp;
struct stat st;
+ ssize_t len;
if ((dp = strrchr(name, '/')) == NULL) {
errno = EINVAL;
return NULL;
}
+
+ len = readlink(name, buf, bufsiz-1);
+ if (len > 0) {
+ buf[len] = '\0';
+ name = buf;
+ }
+
if (stat(name, &st) == -1)
return NULL;
@@ -79,10 +95,12 @@
errno = EFTYPE;
return NULL;
}
+
if (dp[1] != 'r') {
errno = EINVAL;
return NULL;
}
+
(void)snprintf(buf, bufsiz, "%.*s/%s", (int)(dp - name), name, dp + 2);
return buf;