276 lines
7.5 KiB
C
276 lines
7.5 KiB
C
/* $NetBSD: rpc_sample.c,v 1.13 2013/12/15 00:40:17 christos Exp $ */
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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user or with the express written consent of
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* Sun Microsystems, Inc.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)rpc_sample.c 1.1 90/08/30 (C) 1987 SMI";
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#else
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__RCSID("$NetBSD: rpc_sample.c,v 1.13 2013/12/15 00:40:17 christos Exp $");
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#endif
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#endif
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/*
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* rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
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*/
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#include <stdio.h>
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#include <string.h>
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#include "rpc_scan.h"
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#include "rpc_parse.h"
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#include "rpc_util.h"
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static char RQSTP[] = "rqstp";
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static void write_sample_client(const char *, version_list *);
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static void write_sample_server(definition *);
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static void return_type(proc_list *);
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void
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write_sample_svc(definition *def)
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{
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if (def->def_kind != DEF_PROGRAM)
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return;
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write_sample_server(def);
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}
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int
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write_sample_clnt(definition *def)
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{
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version_list *vp;
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int count = 0;
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if (def->def_kind != DEF_PROGRAM)
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return (0);
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/* generate sample code for each version */
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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write_sample_client(def->def_name, vp);
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++count;
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}
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return (count);
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}
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static void
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write_sample_client(const char *program_name, version_list *vp)
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{
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proc_list *proc;
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decl_list *l;
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f_print(fout, "\n\nvoid\n");
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pvname(program_name, vp->vers_num);
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f_print(fout, "(char *host)\n{\n");
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f_print(fout, "\tCLIENT *clnt;\n");
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for (proc = vp->procs; proc != NULL; proc = proc->next) {
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/* print out declarations for arguments */
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if (proc->arg_num < 2 && !newstyle) {
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f_print(fout, "\t");
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if (streq(proc->args.decls->decl.type, "void"))
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f_print(fout, "char "); /* cannot have "void"
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* type */
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else
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ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1);
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_arg;\n");
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} else {
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if (!streq(proc->args.decls->decl.type, "void")) {
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for (l = proc->args.decls; l != NULL; l = l->next) {
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f_print(fout, "\t");
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ptype(l->decl.prefix, l->decl.type, 1);
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_%s;\n", l->decl.name);
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/* pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/
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}
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}
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}
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/* print out declarations for results */
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f_print(fout, "\t");
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if (streq(proc->res_type, "void"))
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f_print(fout, "char"); /* cannot have "void"
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* type */
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else
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ptype(proc->res_prefix, proc->res_type, 1);
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if (!Mflag)
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f_print(fout, "*");
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_res;\n");
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}
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f_print(fout, "\n");
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/* generate creation of client handle */
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f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n",
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program_name, vp->vers_name, tirpcflag ? "netpath" : "udp");
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f_print(fout, "\tif (clnt == NULL) {\n");
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f_print(fout, "\t\tclnt_pcreateerror(host);\n");
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f_print(fout, "\t\texit(1);\n\t}\n");
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/* generate calls to procedures */
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for (proc = vp->procs; proc != NULL; proc = proc->next) {
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if (Mflag)
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f_print(fout, "\tif (");
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else {
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f_print(fout, "\t");
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_res = ");
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}
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pvname(proc->proc_name, vp->vers_num);
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if (proc->arg_num < 2 && !newstyle) {
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f_print(fout, "(");
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if (streq(proc->args.decls->decl.type, "void")) /* cast to void* */
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f_print(fout, "(void *)");
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f_print(fout, "&");
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_arg, ");
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} else {
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if (streq(proc->args.decls->decl.type, "void")) {
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f_print(fout, "(clnt);\n");
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} else {
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f_print(fout, "(");
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for (l = proc->args.decls; l != NULL; l = l->next) {
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_%s, ", l->decl.name);
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}
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}
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}
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if (Mflag) {
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f_print(fout, "&");
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_res, clnt) != RPC_SUCCESS)\n");
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} else {
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f_print(fout, "clnt);\n");
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f_print(fout, "\tif (");
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "_res == NULL)\n");
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}
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f_print(fout, "\t\tclnt_perror(clnt, \"call failed\");\n");
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}
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f_print(fout, "\tclnt_destroy(clnt);\n");
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f_print(fout, "}\n");
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}
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static void
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write_sample_server(definition *def)
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{
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version_list *vp;
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proc_list *proc;
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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for (proc = vp->procs; proc != NULL; proc = proc->next) {
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f_print(fout, "\n");
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if (Mflag)
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f_print(fout, "bool_t\n");
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else {
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return_type(proc);
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f_print(fout, "*\n");
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}
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pvname_svc(proc->proc_name, vp->vers_num);
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printarglist(proc, "result", RQSTP, "struct svc_req *");
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f_print(fout, "{\n");
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if (Mflag) {
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f_print(fout, "\tbool_t retval = TRUE;\n");
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} else {
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f_print(fout, "\tstatic ");
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if (streq(proc->res_type, "void"))
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f_print(fout, "char "); /* cannot have void type */
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else
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return_type(proc);
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f_print(fout, "result;\n");
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}
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f_print(fout,
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"\n\t/*\n\t * insert server code here\n\t */\n\n");
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if (Mflag) {
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f_print(fout, "\treturn (retval);\n");
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} else {
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if (streq(proc->res_type, "void"))
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f_print(fout, "\treturn ((void *)&result);\n");
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else
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f_print(fout, "\treturn (&result);\n");
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}
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f_print(fout, "}\n");
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}
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}
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}
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static void
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return_type(proc_list *plist)
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{
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ptype(plist->res_prefix, plist->res_type, 1);
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}
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void
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add_sample_msg(void)
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{
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f_print(fout, "/*\n");
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f_print(fout, " * This is sample code generated by rpcgen.\n");
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f_print(fout, " * These are only templates and you can use them\n");
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f_print(fout, " * as a guideline for developing your own functions.\n");
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f_print(fout, " */\n\n");
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}
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void
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write_sample_clnt_main(void)
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{
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list *l;
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definition *def;
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version_list *vp;
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f_print(fout, "\n\n");
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f_print(fout, "int\nmain(int argc, char *argv[])\n{\n");
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f_print(fout, "\tchar *host;");
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f_print(fout, "\n\n\tif (argc < 2) {");
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f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n");
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f_print(fout, "\t\texit(1);\n\t}");
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f_print(fout, "\n\thost = argv[1];\n");
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for (l = defined; l != NULL; l = l->next) {
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def = l->val;
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if (def->def_kind != DEF_PROGRAM) {
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continue;
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}
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for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
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f_print(fout, "\t");
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pvname(def->def_name, vp->vers_num);
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f_print(fout, "(host);\n");
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}
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}
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f_print(fout, "\texit(0);\n");
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f_print(fout, "}\n");
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}
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