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- /*
- * execl.c --
- *
- * Source code for the execl library procedure.
- *
- * Copyright 1988 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: execl.c,v 1.4 88/07/28 17:41:41 ouster Exp $ SPRITE (Berkeley)";
- #endif not lint
-
- #include <stdlib.h>
- #include <varargs.h>
-
- /*
- * Library imports:
- */
-
- extern char **environ;
- extern execve();
- extern char **_ExecArgs();
-
-
- /*
- *----------------------------------------------------------------------
- *
- * execl --
- *
- * Execute a process, using the current environment variable,
- * instead of an explicitly-supplied one, and with arguments
- * in-line instead of in a separate array.
- *
- * Results:
- * This procedure returns only if the exec fails. In this case
- * the return value is -1.
- *
- * Side effects:
- * Overlays the current process with a new image. See the man
- * page for details.
- *
- *----------------------------------------------------------------------
- */
-
- #ifndef lint
- int
- execl(va_alist)
- va_dcl /* Name of file containing program to exec,
- * followed by one or more arguments of type
- * "char *", terminated by a zero argument. */
- {
- char **argv;
- char *name;
- va_list args;
-
- va_start(args);
- name = va_arg(args, char *);
- argv = _ExecArgs(&args);
- execve(name, argv, environ);
- free((char *) argv);
- return -1;
- }
- #else
- /* VARARGS2 */
- /* ARGSUSED */
- int
- execl(file, arg1)
- char *file;
- char *arg1;
- {
- return 0;
- }
- #endif
-