Hi. Andrew Haley schrieb: >> Furthermore since overrunning the bounds of a stack allocated array may >> trash other stuff on the stack I wonder whether this fix also prevents >> the problem that the workaround above the modified code speaks of. Since >> I do not run Darwin-based OS I cannot test it myself. > > That may well be right. > > IMO it should be more like OK.
Casey would you mind testing the attached patch on your Darwin platform? Regards Robert
Index: native/jni/java-net/local.c
===================================================================
RCS file: /sources/classpath/classpath/native/jni/java-net/local.c,v
retrieving revision 1.4
diff -u -r1.4 local.c
--- native/jni/java-net/local.c 17 Apr 2007 21:46:27 -0000 1.4
+++ native/jni/java-net/local.c 27 Jun 2008 13:14:40 -0000
@@ -73,27 +73,18 @@
return socket (PF_UNIX, stream ? SOCK_STREAM : SOCK_DGRAM, 0);
}
-static int gcc_sucks = 0;
-
int
local_bind (int fd, const char *addr)
{
struct sockaddr_un saddr;
- /* For some reason, GCC 4.0.1 on Darwin/x86 MODIFIES the `addr'
- pointer in the CALLER's STACK FRAME after calling this function,
- but if we add this statement below, it doesn't! */
- if (gcc_sucks)
- fprintf (stderr, "bind %p\n", addr);
-
- if (strlen (addr) > sizeof (saddr.sun_path))
+ if (strlen (addr) >= sizeof (saddr.sun_path))
{
errno = ENAMETOOLONG;
return -1;
}
- strncpy (saddr.sun_path, addr, sizeof (saddr.sun_path));
- saddr.sun_path[sizeof (saddr.sun_path)] = '\0';
+ strcpy (saddr.sun_path, addr);
saddr.sun_family = AF_LOCAL;
return bind (fd, (struct sockaddr *) &saddr, SUN_LEN (&saddr));
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