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/*
* 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 or with the express written consent of
* Sun Microsystems, Inc.
*
* 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
*/
/*
* From: @(#)rpc_clntout.c 1.11 89/02/22 (C) 1987 SMI
*/
char clntout_rcsid[] =
"$Id$";
/*
* rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
* Copyright (C) 1987, Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <string.h>
#include <rpc/types.h>
#include "rpc_parse.h"
#include "rpc_util.h"
#include "proto.h"
#define DEFAULT_TIMEOUT 25 /* in seconds */
static const char RESULT[] = "clnt_res";
static void write_program (definition * def);
static void printbody (proc_list * proc);
static const char *ampr (const char *type);
static void printbody (proc_list * proc);
void
write_stubs (void)
{
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 void
write_program (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);
printarglist (proc, "clnt", "CLIENT *");
f_print (fout, "{\n");
printbody (proc);
f_print (fout, "}\n");
}
}
}
/* Writes out declarations of procedure's argument list.
In either ANSI C style, in one of old rpcgen style (pass by reference),
or new rpcgen style (multiple arguments, pass by value);
*/
/* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
void
printarglist (proc_list * proc,
const char *addargname, const char *addargtype)
{
decl_list *l;
if (!newstyle)
{ /* old style: always pass argument by reference */
if (Cflag)
{ /* C++ style heading */
f_print (fout, "(");
ptype (proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1);
f_print (fout, "*argp, %s%s)\n", addargtype, addargname);
}
else
{
f_print (fout, "(argp, %s)\n", addargname);
f_print (fout, "\t");
ptype (proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1);
f_print (fout, "*argp;\n");
}
}
else if (streq (proc->args.decls->decl.type, "void"))
{
/* newstyle, 0 argument */
if (Cflag)
f_print (fout, "(%s%s)\n", addargtype, addargname);
else
f_print (fout, "(%s)\n", addargname);
}
else
{
/* new style, 1 or multiple arguments */
if (!Cflag)
{
f_print (fout, "(");
for (l = proc->args.decls; l != NULL; l = l->next)
f_print (fout, "%s, ", l->decl.name);
f_print (fout, "%s)\n", addargname);
for (l = proc->args.decls; l != NULL; l = l->next)
{
pdeclaration (proc->args.argname, &l->decl, 1, ";\n");
}
}
else
{ /* C++ style header */
f_print (fout, "(");
for (l = proc->args.decls; l != NULL; l = l->next)
{
pdeclaration (proc->args.argname, &l->decl, 0, ", ");
}
f_print (fout, " %s%s)\n", addargtype, addargname);
}
}
if (!Cflag)
f_print (fout, "\t%s%s;\n", addargtype, addargname);
}
static
const char *
ampr (const char *type)
{
if (isvectordef (type, REL_ALIAS))
{
return "";
}
else
{
return "&";
}
}
static void
printbody (proc_list * proc)
{
decl_list *l;
bool_t args2 = (proc->arg_num > 1);
/* int i; */
/* For new style with multiple arguments, need a structure in which
to stuff the arguments. */
if (newstyle && args2)
{
f_print (fout, "\t%s", proc->args.argname);
f_print (fout, " arg;\n");
}
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, "%s;\n", RESULT);
f_print (fout, "\n");
f_print (fout, "\tmemset((char *)%s%s, 0, sizeof(%s));\n",
ampr (proc->res_type), RESULT, RESULT);
if (newstyle && !args2 && (streq (proc->args.decls->decl.type, "void")))
{
/* newstyle, 0 arguments */
f_print (fout,
"\tif (clnt_call(clnt, %s, xdr_void", proc->proc_name);
f_print (fout,
", NULL, xdr_%s, %s,%s, TIMEOUT) != RPC_SUCCESS) {\n",
stringfix (proc->res_type), ampr (proc->res_type), RESULT);
}
else if (newstyle && args2)
{
/* newstyle, multiple arguments: stuff arguments into structure */
for (l = proc->args.decls; l != NULL; l = l->next)
{
f_print (fout, "\targ.%s = %s;\n",
l->decl.name, l->decl.name);
}
f_print (fout,
"\tif (clnt_call(clnt, %s, xdr_%s", proc->proc_name,
proc->args.argname);
f_print (fout,
", &arg, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS) {\n",
stringfix (proc->res_type), ampr (proc->res_type), RESULT);
}
else
{ /* single argument, new or old style */
f_print (fout,
"\tif (clnt_call(clnt, %s, xdr_%s, %s%s, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS) {\n",
proc->proc_name,
stringfix (proc->args.decls->decl.type),
(newstyle ? "&" : ""),
(newstyle ? proc->args.decls->decl.name : "argp"),
stringfix (proc->res_type), ampr (proc->res_type), RESULT);
}
f_print (fout, "\t\treturn (NULL);\n");
f_print (fout, "\t}\n");
if (streq (proc->res_type, "void"))
{
f_print (fout, "\treturn ((void *)%s%s);\n",
ampr (proc->res_type), RESULT);
}
else
{
f_print (fout, "\treturn (%s%s);\n", ampr (proc->res_type), RESULT);
}
}
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