BSD 4_3_Net_2 release

[unix-history] / usr / src / lib / librpc / rpcgen / rpc_clntout.c

/* @(#)rpc_clntout.c    2.1 88/08/01 4.0 RPCSRC */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part.  Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
* 
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
* 
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
* 
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
* 
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
* 
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California  94043
*/
#ifndef lint
static char sccsid[] = "@(#)rpc_clntout.c 1.2 87/06/24 (C) 1987 SMI";
#endif

/*
* rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
* Copyright (C) 1987, Sun Microsytsems, Inc.
*/
#include <stdio.h>
#include <strings.h>
#include "rpc_parse.h"
#include "rpc_util.h"

#define DEFAULT_TIMEOUT 25      /* in seconds */

void
write_stubs()
{
       list *l;
       definition *def;

       f_print(fout,
               "\n/* Default timeout can be changed using clnt_control() */\n");
       f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
               DEFAULT_TIMEOUT);
       for (l = defined; l != NULL; l = l->next) {
               def = (definition *) l->val;
               if (def->def_kind == DEF_PROGRAM) {
                       write_program(def);
               }
       }
}


static
write_program(def)
       definition *def;
{
       version_list *vp;
       proc_list *proc;

       for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
               for (proc = vp->procs; proc != NULL; proc = proc->next) {
                       f_print(fout, "\n");
                       ptype(proc->res_prefix, proc->res_type, 1);
                       f_print(fout, "*\n");
                       pvname(proc->proc_name, vp->vers_num);
                       f_print(fout, "(argp, clnt)\n");
                       f_print(fout, "\t");
                       ptype(proc->arg_prefix, proc->arg_type, 1);
                       f_print(fout, "*argp;\n");
                       f_print(fout, "\tCLIENT *clnt;\n");
                       f_print(fout, "{\n");
                       printbody(proc);
                       f_print(fout, "}\n\n");
               }
       }
}

static char *
ampr(type)
       char *type;
{
       if (isvectordef(type, REL_ALIAS)) {
               return ("");
       } else {
               return ("&");
       }
}

static
printbody(proc)
       proc_list *proc;
{
       f_print(fout, "\tstatic ");
       if (streq(proc->res_type, "void")) {
               f_print(fout, "char ");
       } else {
               ptype(proc->res_prefix, proc->res_type, 0);
       }
       f_print(fout, "res;\n");
       f_print(fout, "\n");
       f_print(fout, "\tbzero((char *)%sres, sizeof(res));\n",
               ampr(proc->res_type));
       f_print(fout,
               "\tif (clnt_call(clnt, %s, xdr_%s, argp, xdr_%s, %sres, TIMEOUT) != RPC_SUCCESS) {\n",
               proc->proc_name, stringfix(proc->arg_type),
               stringfix(proc->res_type), ampr(proc->res_type));
       f_print(fout, "\t\treturn (NULL);\n");
       f_print(fout, "\t}\n");
       if (streq(proc->res_type, "void")) {
               f_print(fout, "\treturn ((void *)%sres);\n",
                       ampr(proc->res_type));
       } else {
               f_print(fout, "\treturn (%sres);\n", ampr(proc->res_type));
       }
}