[Sbcl-commits] master: sb-bsd-sockets: check for MAKE-ALIEN success in GET-PROTOCOL-BY-NAME

[Nikodemus S. <de...@us...>]

The branch "master" has been updated in SBCL:
       via  ab5427d31da2bd95805cccc8e47b8f43d3dd606d (commit)
      from  78eea0607fb44f620a8192e173f91860d3622967 (commit)

- Log -----------------------------------------------------------------
commit ab5427d31da2bd95805cccc8e47b8f43d3dd606d
Author: Nikodemus Siivola <nik...@sb...>
Date:   Fri Nov 18 16:33:35 2011 +0200

    sb-bsd-sockets: check for MAKE-ALIEN success in GET-PROTOCOL-BY-NAME
    
       Currently of malloc fails it returns a null alien.
    
       Yuck.
---
 contrib/sb-bsd-sockets/inet.lisp |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/contrib/sb-bsd-sockets/inet.lisp b/contrib/sb-bsd-sockets/inet.lisp
index e4f7ff2..ebe6e35 100644
--- a/contrib/sb-bsd-sockets/inet.lisp
+++ b/contrib/sb-bsd-sockets/inet.lisp
@@ -106,6 +106,10 @@ a list of protocol aliases"
                      buffer (sb-alien:make-alien sb-alien:char buffer-length))
                #-solaris
                (setf result (sb-alien:make-alien (* sockint::protoent)))
+               (when (or (sb-alien:null-alien result-buf)
+                         (sb-alien:null-alien buffer)
+                         (sb-alien:null-alien result))
+                 (error "Could not allocate foreign memory."))
                (let ((res (sockint::getprotobyname-r
                            name result-buf buffer buffer-length #-solaris result)))
                  (cond ((eql res 0)

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