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339 lines
8.9 KiB
C
339 lines
8.9 KiB
C
/*
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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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/*
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* From: @(#)rpc_sample.c 1.1 90/08/30 (C) 1987 SMI
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*/
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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_parse.h"
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#include "rpc_util.h"
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#include "proto.h"
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static const char RQSTP[] = "rqstp";
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static void write_sample_client (const char *program_name, version_list * vp);
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static void write_sample_server (definition * def);
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static void return_type (proc_list * plist);
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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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{
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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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int i;
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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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if (Cflag)
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f_print (fout, "(char *host)\n{\n");
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else
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f_print (fout, "(host)\nchar *host;\n{\n");
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f_print (fout, "\tCLIENT *clnt;\n");
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i = 0;
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for (proc = vp->procs; proc != NULL; proc = proc->next)
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{
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f_print (fout, "\t");
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++i;
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if (mtflag)
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{
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f_print (fout, "enum clnt_stat retval_%d;\n\t", i);
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ptype (proc->res_prefix, proc->res_type, 1);
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if (!streq (proc->res_type, "void"))
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f_print (fout, "result_%d;\n", i);
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else
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fprintf (fout, "*result_%d;\n", i);
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}
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else
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{
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ptype (proc->res_prefix, proc->res_type, 1);
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f_print (fout, " *result_%d;\n", i);
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}
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/* print out declarations for arguments */
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if (proc->arg_num < 2 && !newstyle)
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{
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f_print (fout, "\t");
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if (!streq (proc->args.decls->decl.type, "void"))
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{
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ptype (proc->args.decls->decl.prefix,
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proc->args.decls->decl.type, 1);
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f_print (fout, " ");
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}
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else
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f_print (fout, "char *"); /* cannot have "void" type */
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pvname (proc->proc_name, vp->vers_num);
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f_print (fout, "_arg;\n");
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}
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else if (!streq (proc->args.decls->decl.type, "void"))
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{
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for (l = proc->args.decls; l != NULL; l = l->next)
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{
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f_print (fout, "\t");
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ptype (l->decl.prefix, l->decl.type, 1);
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if (strcmp (l->decl.type, "string") == 1)
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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, "_%s;\n", l->decl.name);
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}
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}
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}
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/* generate creation of client handle */
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f_print(fout, "\n#ifndef\tDEBUG\n");
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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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f_print(fout, "#endif\t/* DEBUG */\n\n");
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/* generate calls to procedures */
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i = 0;
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for (proc = vp->procs; proc != NULL; proc = proc->next)
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{
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if (mtflag)
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f_print(fout, "\tretval_%d = ",++i);
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else
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f_print (fout, "\tresult_%d = ", ++i);
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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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{
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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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if (mtflag)
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f_print(fout, "_arg, &result_%d, clnt);\n", i);
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else
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f_print (fout, "_arg, clnt);\n");
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}
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else if (streq (proc->args.decls->decl.type, "void"))
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{
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if (mtflag)
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f_print (fout, "(&result_%d, clnt);\n", i);
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else
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f_print (fout, "(clnt);\n");
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}
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else
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{
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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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{
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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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if (mtflag)
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f_print(fout, "&result_%d, ", i);
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f_print (fout, "clnt);\n");
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}
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if (mtflag)
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{
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f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i);
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}
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else
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{
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f_print(fout, "\tif (result_%d == (", i);
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ptype(proc->res_prefix, proc->res_type, 1);
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f_print(fout, "*) NULL) {\n");
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}
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f_print(fout, "\t\tclnt_perror (clnt, \"call failed\");\n");
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f_print(fout, "\t}\n");
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}
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f_print (fout, "#ifndef\tDEBUG\n");
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f_print (fout, "\tclnt_destroy (clnt);\n");
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f_print (fout, "#endif\t /* DEBUG */\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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{
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for (proc = vp->procs; proc != NULL; proc = proc->next)
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{
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f_print (fout, "\n");
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if (!mtflag)
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{
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return_type (proc);
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f_print (fout, "*\n");
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}
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else
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f_print (fout, "bool_t\n");
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if (Cflag || mtflag)
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pvname_svc (proc->proc_name, vp->vers_num);
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else
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pvname(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 (!mtflag)
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{
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f_print(fout, "\tstatic ");
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if(!streq(proc->res_type, "void"))
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return_type(proc);
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else
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f_print(fout, "char *");
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/* cannot have void type */
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/* f_print(fout, " result;\n", proc->res_type); */
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f_print(fout, " result;\n");
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}
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else
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f_print(fout, "\tbool_t retval;\n");
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fprintf (fout, "\n\t/*\n\t * insert server code here\n\t */\n\n");
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if (!mtflag)
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{
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if (!streq(proc->res_type, "void"))
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f_print(fout, "\treturn &result;\n}\n");
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else /* cast back to void * */
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f_print(fout, "\treturn (void *) &result;\n}\n");
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}
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else
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f_print(fout, "\treturn retval;\n}\n");
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}
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/* put in sample freeing routine */
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if (mtflag)
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{
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f_print(fout, "\nint\n");
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pvname(def->def_name, vp->vers_num);
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if (Cflag)
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f_print(fout,"_freeresult (SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n");
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else
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{
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f_print(fout,"_freeresult (transp, xdr_result, result)\n");
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f_print(fout,"\tSVCXPRT *transp;\n");
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f_print(fout,"\txdrproc_t xdr_result;\n");
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f_print(fout,"\tcaddr_t result;\n");
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}
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f_print(fout, "{\n");
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f_print(fout, "\txdr_free (xdr_result, result);\n");
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f_print(fout,
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"\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n");
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f_print(fout, "\n\treturn 1;\n}\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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if (Cflag)
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f_print (fout, "int\nmain (int argc, char *argv[])\n{\n");
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else
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f_print (fout, "int\nmain (argc, argv)\nint argc;\nchar *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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{
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def = l->val;
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if (def->def_kind != DEF_PROGRAM)
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{
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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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{
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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, "exit (0);\n}\n");
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}
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