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
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9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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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"
51 extern void pdeclaration( char *, declaration *, int, char * );
52 void printarglist( proc_list *, char *, char *, char *);
53 static void write_program( definition * );
54 static void printbody( proc_list * );
56 static char RESULT[] = "clnt_res";
59 #define DEFAULT_TIMEOUT 25 /* in seconds */
69 "\n/* Default timeout can be changed using clnt_control() */\n");
70 f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
72 for (l = defined; l != NULL; l = l->next) {
73 def = (definition *) l->val;
74 if (def->def_kind == DEF_PROGRAM) {
87 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
88 for (proc = vp->procs; proc != NULL; proc = proc->next) {
91 ptype(proc->res_prefix, proc->res_type, 1);
93 pvname(proc->proc_name, vp->vers_num);
94 printarglist(proc, RESULT, "clnt", "CLIENT *");
96 f_print(fout, "enum clnt_stat \n");
97 pvname(proc->proc_name, vp->vers_num);
98 printarglist(proc, RESULT, "clnt", "CLIENT *");
101 f_print(fout, "{\n");
104 f_print(fout, "}\n");
110 * Writes out declarations of procedure's argument list.
111 * In either ANSI C style, in one of old rpcgen style (pass by reference),
112 * or new rpcgen style (multiple arguments, pass by value);
115 /* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
117 void printarglist(proc, result, addargname, addargtype)
120 char* addargname, * addargtype;
126 /* old style: always pass argument by reference */
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);
138 } else if (streq(proc->args.decls->decl.type, "void")) {
139 /* newstyle, 0 argument */
142 ptype(proc->res_prefix, proc->res_type, 1);
143 f_print(fout, "*%s, %s%s)\n",
144 result, addargtype, addargname);
146 f_print(fout, "(%s%s)\n", addargtype, addargname);
148 /* new style, 1 or multiple arguments */
150 for (l = proc->args.decls; l != NULL; l = l->next) {
151 pdeclaration(proc->args.argname, &l->decl, 0, ", ");
154 ptype(proc->res_prefix, proc->res_type, 1);
155 f_print(fout, "*%s, ", result);
158 f_print(fout, "%s%s)\n", addargtype, addargname);
168 if (isvectordef(type, REL_ALIAS)) {
180 bool_t args2 = (proc->arg_num > 1);
183 * For new style with multiple arguments, need a structure in which
184 * to stuff the arguments.
188 if (newstyle && args2) {
189 f_print(fout, "\t%s", proc->args.argname);
190 f_print(fout, " arg;\n");
193 f_print(fout, "\tstatic ");
194 if (streq(proc->res_type, "void")) {
195 f_print(fout, "char ");
197 ptype(proc->res_prefix, proc->res_type, 0);
199 f_print(fout, "%s;\n", RESULT);
201 f_print(fout, "\tmemset((char *)%s%s, 0, sizeof (%s));\n",
202 ampr(proc->res_type), RESULT, RESULT);
205 if (newstyle && !args2 &&
206 (streq(proc->args.decls->decl.type, "void"))) {
207 /* newstyle, 0 arguments */
210 f_print(fout, "\t return ");
212 f_print(fout, "\t if ");
215 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_void, ",
218 "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
219 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
223 f_print(fout, "\n\t\tTIMEOUT));\n");
225 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
227 } else if (newstyle && args2) {
229 * Newstyle, multiple arguments
230 * stuff arguments into structure
232 for (l = proc->args.decls; l != NULL; l = l->next) {
233 f_print(fout, "\targ.%s = %s;\n",
234 l->decl.name, l->decl.name);
237 f_print(fout, "\treturn ");
239 f_print(fout, "\tif ");
241 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s",
242 proc->proc_name,proc->args.argname);
244 ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
245 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
248 f_print(fout, "\n\t\tTIMEOUT));\n");
250 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
251 } else { /* single argument, new or old style */
254 "\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",
256 stringfix(proc->args.decls->decl.type),
257 (newstyle ? "&" : ""),
258 (newstyle ? proc->args.decls->decl.name : "argp"),
259 stringfix(proc->res_type), ampr(proc->res_type),
264 "\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",
266 stringfix(proc->args.decls->decl.type),
267 (newstyle ? "&" : ""),
268 (newstyle ? proc->args.decls->decl.name : "argp"),
269 stringfix(proc->res_type), "",
273 f_print(fout, "\t\treturn (NULL);\n");
274 f_print(fout, "\t}\n");
276 if (streq(proc->res_type, "void")) {
277 f_print(fout, "\treturn ((void *)%s%s);\n",
278 ampr(proc->res_type), RESULT);
280 f_print(fout, "\treturn (%s%s);\n",
281 ampr(proc->res_type), RESULT);