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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*/#ifndef lintstatic char sccsid[] = "@(#)rpc_clntout.c 1.11 89/02/22 (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 <string.h>#include "rpc/types.h"#include "rpc_parse.h"#include "rpc_util.h"extern pdeclaration();void printarglist();#define DEFAULT_TIMEOUT 25 /* in seconds */static char RESULT[] = "clnt_res";voidwrite_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);}}}staticwrite_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);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, addargname, addargtype )proc_list *proc;char* addargname, * 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 );elsef_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 char *ampr(type)char *type;{if (isvectordef(type, REL_ALIAS)) {return ("");} else {return ("&");}}staticprintbody(proc)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 whichto 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);}}