[GNUnet-SVN] r9838 - Extractor/src/main

[gnunet]

Author: grothoff
Date: 2009-12-21 12:37:43 +0100 (Mon, 21 Dec 2009)
New Revision: 9838

Modified:
   Extractor/src/main/extractor.c
Log:
fixing CID 206

Modified: Extractor/src/main/extractor.c
===================================================================
--- Extractor/src/main/extractor.c      2009-12-21 11:35:25 UTC (rev 9837)
+++ Extractor/src/main/extractor.c      2009-12-21 11:37:43 UTC (rev 9838)
@@ -1117,6 +1117,7 @@
     {
       if (strlen (fn) == 0)
        break;
+      ptr = NULL;
       fn[strlen(fn)-1] = '\0'; /* kill newline */
       if ( (-1 != (shmid = shm_open (fn, O_RDONLY, 0))) &&
           (((off_t)-1) != (size = lseek (shmid, 0, SEEK_END))) &&
@@ -1132,7 +1133,8 @@
          if (0 != write_all (out, &hdr, sizeof(hdr)))
            break;
        }
-      if (ptr != NULL)
+      if ( (ptr != NULL) &&
+          (ptr != (void*) -1) )
        munmap (ptr, size);
       if (-1 != shmid)
        close (shmid);