elk/lib/unix/unix.c

69 lines
1.9 KiB
C

/* unix.c
*
* $Id$
*
* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
* Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
*
* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
* between TELES and Nixdorf Microprocessor Engineering, Berlin).
*
* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
* owners or individual owners of copyright in this software, grant to any
* person or company a worldwide, royalty free, license to
*
* i) copy this software,
* ii) prepare derivative works based on this software,
* iii) distribute copies of this software or derivative works,
* iv) perform this software, or
* v) display this software,
*
* provided that this notice is not removed and that neither Oliver Laumann
* nor Teles nor Nixdorf are deemed to have made any representations as to
* the suitability of this software for any purpose nor are held responsible
* for any defects of this software.
*
* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*/
#include "unix.h"
Object Integer_Pair(int a, int b) {
Object x, y;
GC_Node2;
x = y = Null;
GC_Link2(x, y);
x = Make_Integer(a);
y = Make_Integer(b);
x = Cons(x, y);
GC_Unlink;
return x;
}
Object Syms_To_List(SYMDESCR *p) {
Object ret, mode;
GC_Node;
ret = Null;
GC_Link(ret);
for ( ; p->name; p++) {
mode = Intern(p->name);
ret = Cons(mode, ret);
}
GC_Unlink;
return P_Reverse(ret);
}
void Check_Result_Vector(Object x, unsigned int len) {
Check_Type(x, T_Vector);
if (VECTOR(x)->size != len)
Primitive_Error("argument vector has the wrong length");
}
void elk_init_unix_unix() {
P_Provide(Intern("unix.la"));
}