Support for more Sun compatible dlopen() and friends. Also added proper error

handling.
Reviewed by:    gj
Submitted by:   Mark Diekhans <markd@grizzly.com>

2 files changed, 11 insertions, 9 deletions

diff --git a/lib/csu/i386/Makefile b/lib/csu/i386/Makefile
index 9b860b2c05a7..dfdbc387d48f 100644
--- a/lib/csu/i386/Makefile
+++ b/lib/csu/i386/Makefile
@@ -1,9 +1,10 @@
 #	from: @(#)Makefile	5.6 (Berkeley) 5/22/91
-#	$Id: Makefile,v 1.10 1994/08/22 15:13:41 bde Exp $
+#	$Id: Makefile,v 1.12 1994/09/19 02:00:18 ache Exp $
 
 CFLAGS+=	-DLIBC_SCCS -DDYNAMIC
 OBJS=		crt0.o gcrt0.o c++rt0.o
 CLEANFILES+=	a.out
+MAN3+=		dlopen.3
 
 all: ${OBJS}
 
diff --git a/lib/csu/i386/crt0.c b/lib/csu/i386/crt0.c
index f0ed885daf80..26592ba660a6 100644
--- a/lib/csu/i386/crt0.c
+++ b/lib/csu/i386/crt0.c
@@ -27,7 +27,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: crt0.c,v 1.13 1994/09/19 02:00:21 ache Exp $
+ *	$Id: crt0.c,v 1.14 1994/09/24 16:01:30 ache Exp $
  */
 
 
@@ -47,6 +47,7 @@ extern void _startup_setlocale __P((int, const char *));
 #include <sys/types.h>
 #include <sys/syscall.h>
 #include <a.out.h>
+#include <string.h>
 #ifndef N_GETMAGIC
 #define N_GETMAGIC(x)	((x).a_magic)
 #endif
@@ -117,7 +118,7 @@ char			*__progname = empty;
 #endif
 
 #define _FATAL(str) \
-	write(2, str, sizeof(str)), \
+	write(2, str, sizeof(str) - 1), \
 	_exit(1);
 
 
@@ -303,17 +304,17 @@ char	*name;
 	return (ld_entry->dlsym)(fd, name);
 }
 
-int
-dlctl(fd, cmd, arg)
-void	*fd, *arg;
-int	cmd;
+
+char *
+dlerror()
 {
 	if (ld_entry == NULL)
-		return -1;
+		return "Service unavailable";
 
-	return (ld_entry->dlctl)(fd, cmd, arg);
+	return (ld_entry->dlerror)();
 }
 
+
 /*
  * Support routines
  */