Teach rtems_tarfs_load() about symlinks

1 files changed, 17 insertions, 0 deletions

diff --git a/cpukit/libfs/src/imfs/imfs_load_tar.c b/cpukit/libfs/src/imfs/imfs_load_tar.c
index 5b6f545f4c..1ef0e0b6d4 100644
--- a/cpukit/libfs/src/imfs/imfs_load_tar.c
+++ b/cpukit/libfs/src/imfs/imfs_load_tar.c
@@ -24,6 +24,7 @@
 #include <sys/stat.h>
 #include <string.h>
 #include <tar.h>
+#include <unistd.h>
 
 #include <rtems/untar.h>
 
@@ -96,6 +97,7 @@ int rtems_tarfs_load(
      * Generate an IMFS node depending on the file type.
      * - For directories, just create directories as usual.  IMFS
      *   will take care of the rest.
+     * - For symbolic links, create as usual
      * - For files, create a file node with special tarfs properties.
      */
     if (linkflag == DIRTYPE) {
@@ -136,6 +138,21 @@ int rtems_tarfs_load(
       nblocks = (((file_size) + 511) & ~511) / 512;
       offset += 512 * nblocks;
     }
+    /*
+     * Create a symbolic link
+     */
+    else if (linkflag == SYMTYPE) {
+      const char *linkto = hdr_ptr + 157;
+      int len;
+
+      strncpy(full_filename, mountpoint, 255);
+      if (full_filename[(len=strlen(full_filename))-1] != '/')
+        strcat(full_filename, "/");
+      ++len;
+      strncat(full_filename, filename, 256-len-1);
+
+      rv = symlink(linkto, full_filename);
+    }
   }
 
   rtems_filesystem_location_free( &rootloc );