2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
25 * Sun Microsystems, Inc.
27 * Mountain View, California 94043
32 #ident "@(#)rpc_clntout.c 1.15 94/04/25 SMI"
33 static char sccsid[] = "@(#)rpc_clntout.c 1.11 89/02/22 (C) 1987 SMI";
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
41 * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
42 * Copyright (C) 1987, Sun Microsytsems, Inc.
46 #include <rpc/types.h>
47 #include "rpc_parse.h"
50 extern void pdeclaration( char *, declaration *, int, char * );
51 void printarglist( proc_list *, char *, char *, char *);
52 static void write_program( definition * );
53 static void printbody( proc_list * );
55 static char RESULT[] = "clnt_res";
58 #define DEFAULT_TIMEOUT 25 /* in seconds */
68 "\n/* Default timeout can be changed using clnt_control() */\n");
69 f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
71 for (l = defined; l != NULL; l = l->next) {
72 def = (definition *) l->val;
73 if (def->def_kind == DEF_PROGRAM) {
86 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
87 for (proc = vp->procs; proc != NULL; proc = proc->next) {
90 ptype(proc->res_prefix, proc->res_type, 1);
92 pvname(proc->proc_name, vp->vers_num);
93 printarglist(proc, RESULT, "clnt", "CLIENT *");
95 f_print(fout, "enum clnt_stat \n");
96 pvname(proc->proc_name, vp->vers_num);
97 printarglist(proc, RESULT, "clnt", "CLIENT *");
100 f_print(fout, "{\n");
103 f_print(fout, "}\n");
109 * Writes out declarations of procedure's argument list.
110 * In either ANSI C style, in one of old rpcgen style (pass by reference),
111 * or new rpcgen style (multiple arguments, pass by value);
114 /* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
116 void printarglist(proc, result, addargname, addargtype)
119 char* addargname, * addargtype;
125 /* old style: always pass argument by reference */
126 if (Cflag) { /* C++ style heading */
128 ptype(proc->args.decls->decl.prefix,
129 proc->args.decls->decl.type, 1);
131 if (mtflag) {/* Generate result field */
132 f_print(fout, "*argp, ");
133 ptype(proc->res_prefix, proc->res_type, 1);
134 f_print(fout, "*%s, %s%s)\n",
135 result, addargtype, addargname);
137 f_print(fout, "*argp, %s%s)\n", addargtype, addargname);
140 f_print(fout, "(argp, %s)\n", addargname);
142 f_print(fout, "(argp, %s, %s)\n",
145 ptype(proc->args.decls->decl.prefix,
146 proc->args.decls->decl.type, 1);
147 f_print(fout, "*argp;\n");
150 ptype(proc->res_prefix, proc->res_type, 1);
151 f_print(fout, "*%s;\n", result);
154 } else if (streq(proc->args.decls->decl.type, "void")) {
155 /* newstyle, 0 argument */
161 ptype(proc->res_prefix, proc->res_type, 1);
162 f_print(fout, "*%s, %s%s)\n",
163 result, addargtype, addargname);
166 f_print(fout, "(%s)\n", addargname);
170 f_print(fout, "(%s%s)\n", addargtype, addargname);
172 f_print(fout, "(%s)\n", addargname);
174 /* new style, 1 or multiple arguments */
177 for (l = proc->args.decls; l != NULL; l = l->next)
178 f_print(fout, "%s, ", l->decl.name);
180 f_print(fout, "%s, ", result);
182 f_print(fout, "%s)\n", addargname);
183 for (l = proc->args.decls; l != NULL; l = l->next) {
184 pdeclaration(proc->args.argname,
189 ptype(proc->res_prefix, proc->res_type, 1);
190 f_print(fout, "*%s;\n", result);
193 } else { /* C++ style header */
195 for (l = proc->args.decls; l != NULL; l = l->next) {
196 pdeclaration(proc->args.argname, &l->decl, 0,
200 ptype(proc->res_prefix, proc->res_type, 1);
201 f_print(fout, "*%s, ", result);
204 f_print(fout, "%s%s)\n", addargtype, addargname);
209 f_print(fout, "\t%s%s;\n", addargtype, addargname);
218 if (isvectordef(type, REL_ALIAS)) {
230 bool_t args2 = (proc->arg_num > 1);
233 * For new style with multiple arguments, need a structure in which
234 * to stuff the arguments.
238 if (newstyle && args2) {
239 f_print(fout, "\t%s", proc->args.argname);
240 f_print(fout, " arg;\n");
243 f_print(fout, "\tstatic ");
244 if (streq(proc->res_type, "void")) {
245 f_print(fout, "char ");
247 ptype(proc->res_prefix, proc->res_type, 0);
249 f_print(fout, "%s;\n", RESULT);
251 f_print(fout, "\tmemset((char *)%s%s, 0, sizeof (%s));\n",
252 ampr(proc->res_type), RESULT, RESULT);
255 if (newstyle && !args2 &&
256 (streq(proc->args.decls->decl.type, "void"))) {
257 /* newstyle, 0 arguments */
260 f_print(fout, "\t return ");
262 f_print(fout, "\t if ");
265 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_void, ",
268 "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
269 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
273 f_print(fout, "\n\t\tTIMEOUT));\n");
275 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
277 } else if (newstyle && args2) {
279 * Newstyle, multiple arguments
280 * stuff arguments into structure
282 for (l = proc->args.decls; l != NULL; l = l->next) {
283 f_print(fout, "\targ.%s = %s;\n",
284 l->decl.name, l->decl.name);
287 f_print(fout, "\treturn ");
289 f_print(fout, "\tif ");
291 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s",
292 proc->proc_name,proc->args.argname);
294 ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
295 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
298 f_print(fout, "\n\t\tTIMEOUT));\n");
300 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
301 } else { /* single argument, new or old style */
304 "\tif (clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT) != RPC_SUCCESS) {\n",
306 stringfix(proc->args.decls->decl.type),
307 (newstyle ? "&" : ""),
308 (newstyle ? proc->args.decls->decl.name : "argp"),
309 stringfix(proc->res_type), ampr(proc->res_type),
314 "\treturn (clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT));\n",
316 stringfix(proc->args.decls->decl.type),
317 (newstyle ? "&" : ""),
318 (newstyle ? proc->args.decls->decl.name : "argp"),
319 stringfix(proc->res_type), "",
323 f_print(fout, "\t\treturn (NULL);\n");
324 f_print(fout, "\t}\n");
326 if (streq(proc->res_type, "void")) {
327 f_print(fout, "\treturn ((void *)%s%s);\n",
328 ampr(proc->res_type), RESULT);
330 f_print(fout, "\treturn (%s%s);\n",
331 ampr(proc->res_type), RESULT);