File lshw-scsi-scan.patch of Package lshw - j0ke.net Open Build Service

File lshw-scsi-scan.patch of Package lshw (Revision fa1ef044a51ce66766f76733679fab2a)

Currently displaying revision fa1ef044a51ce66766f76733679fab2a, show latest

Index: packages/lshw/development/src/core/scsi.cc
===================================================================
--- a/packages/lshw/development/src/core/scsi.cc
+++ b/packages/lshw/development/src/core/scsi.cc
@@ -30,5 +30,5 @@
 __ID("@(#) $Id$");
 
-#define SG_X "/dev/sg%d"
+#define SG_X "/dev/sg*"
 #define SG_MAJOR 21
 
@@ -654,8 +654,7 @@
 
 
-static bool scan_sg(int sg,
-hwNode & n)
-{
-  char buffer[20];
+static void scan_sg(hwNode & n)
+{
+  int sg;
   int fd = -1;
   My_sg_scsi_id m_id;
@@ -666,14 +665,22 @@
   int emulated = 0;
   bool ghostdeventry = false;
-
-  snprintf(buffer, sizeof(buffer), SG_X, sg);
-
-  ghostdeventry = !exists(buffer);
-
-  if(ghostdeventry) mknod(buffer, (S_IFCHR | S_IREAD), MKDEV(SG_MAJOR, sg));
-  fd = open(buffer, OPEN_FLAG | O_NONBLOCK);
-  if(ghostdeventry) unlink(buffer);
+  size_t j;
+  glob_t entries;
+
+  if(glob(SG_X, 0, NULL, &entries) == 0)
+  {
+    for(j=0; j < entries.gl_pathc; j++)
+    {
+      sg = strtol(strpbrk(entries.gl_pathv[j], "0123456789"), NULL, 10);
+
+      ghostdeventry = !exists(entries.gl_pathv[j]);
+
+      if(ghostdeventry)
+        mknod(entries.gl_pathv[j], (S_IFCHR | S_IREAD), MKDEV(SG_MAJOR, sg));
+      fd = open(entries.gl_pathv[j], OPEN_FLAG | O_NONBLOCK);
+      if(ghostdeventry)
+        unlink(entries.gl_pathv[j]);
   if (fd < 0)
-    return false;
+        continue;
 
   memset(&m_id, 0, sizeof(m_id));
@@ -681,5 +688,5 @@
   {
     close(fd);
-    return true;                                  // we failed to get info but still hope we can continue
+        continue;        // we failed to get info but still hope we can continue
   }
 
@@ -774,9 +781,6 @@
     parent = n.addChild(hwNode("scsi", hw::storage));
 
-  if (!parent)
-  {
-    close(fd);
-    return true;
-  }
+  if (parent)
+  {
 
   if(parent->getBusInfo() == "")
@@ -790,8 +794,10 @@
   }
   parent->addChild(device);
+  }
 
   close(fd);
-
-  return true;
+    }
+    globfree(&entries);
+  }
 }
 
@@ -890,10 +896,7 @@
 bool scan_scsi(hwNode & n)
 {
-  int i = 0;
-
   scan_devices();
 
-  while (scan_sg(i, n))
-    i++;
+  scan_sg(n);
 
   scan_hosts(n);