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
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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 static void write_program( definition * );
52 static void printbody( proc_list * );
54 static char RESULT[] = "clnt_res";
57 #define DEFAULT_TIMEOUT 25 /* in seconds */
67 "\n/* Default timeout can be changed using clnt_control() */\n");
68 f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
70 for (l = defined; l != NULL; l = l->next) {
71 def = (definition *) l->val;
72 if (def->def_kind == DEF_PROGRAM) {
79 write_program(definition *def)
84 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
85 for (proc = vp->procs; proc != NULL; proc = proc->next) {
88 ptype(proc->res_prefix, proc->res_type, 1);
90 pvname(proc->proc_name, vp->vers_num);
91 printarglist(proc, RESULT, "clnt", "CLIENT *");
93 f_print(fout, "enum clnt_stat \n");
94 pvname(proc->proc_name, vp->vers_num);
95 printarglist(proc, RESULT, "clnt", "CLIENT *");
101 f_print(fout, "}\n");
107 * Writes out declarations of procedure's argument list.
108 * In either ANSI C style, in one of old rpcgen style (pass by reference),
109 * or new rpcgen style (multiple arguments, pass by value);
112 /* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
115 printarglist(proc_list *proc, const char *result, const char *addargname,
116 const char *addargtype)
122 /* old style: always pass argument by reference */
124 ptype(proc->args.decls->decl.prefix,
125 proc->args.decls->decl.type, 1);
127 if (mtflag) {/* Generate result field */
128 f_print(fout, "*argp, ");
129 ptype(proc->res_prefix, proc->res_type, 1);
130 f_print(fout, "*%s, %s%s)\n",
131 result, addargtype, addargname);
133 f_print(fout, "*argp, %s%s)\n", addargtype, addargname);
134 } else if (streq(proc->args.decls->decl.type, "void")) {
135 /* newstyle, 0 argument */
138 ptype(proc->res_prefix, proc->res_type, 1);
139 f_print(fout, "*%s, %s%s)\n",
140 result, addargtype, addargname);
142 f_print(fout, "(%s%s)\n", addargtype, addargname);
144 /* new style, 1 or multiple arguments */
146 for (l = proc->args.decls; l != NULL; l = l->next) {
147 pdeclaration(proc->args.argname, &l->decl, 0, ", ");
150 ptype(proc->res_prefix, proc->res_type, 1);
151 f_print(fout, "*%s, ", result);
154 f_print(fout, "%s%s)\n", addargtype, addargname);
161 ampr(const char *type)
163 if (isvectordef(type, REL_ALIAS)) {
171 printbody(proc_list *proc)
174 bool_t args2 = (proc->arg_num > 1);
177 * For new style with multiple arguments, need a structure in which
178 * to stuff the arguments.
182 if (newstyle && args2) {
183 f_print(fout, "\t%s", proc->args.argname);
184 f_print(fout, " arg;\n");
187 f_print(fout, "\tstatic ");
188 if (streq(proc->res_type, "void")) {
189 f_print(fout, "char ");
191 ptype(proc->res_prefix, proc->res_type, 0);
193 f_print(fout, "%s;\n", RESULT);
195 f_print(fout, "\tmemset((char *)%s%s, 0, sizeof (%s));\n",
196 ampr(proc->res_type), RESULT, RESULT);
199 if (newstyle && !args2 &&
200 (streq(proc->args.decls->decl.type, "void"))) {
201 /* newstyle, 0 arguments */
204 f_print(fout, "\t return ");
206 f_print(fout, "\t if ");
209 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_void, ",
212 "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
213 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
217 f_print(fout, "\n\t\tTIMEOUT));\n");
219 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
221 } else if (newstyle && args2) {
223 * Newstyle, multiple arguments
224 * stuff arguments into structure
226 for (l = proc->args.decls; l != NULL; l = l->next) {
227 f_print(fout, "\targ.%s = %s;\n",
228 l->decl.name, l->decl.name);
231 f_print(fout, "\treturn ");
233 f_print(fout, "\tif ");
235 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s",
236 proc->proc_name,proc->args.argname);
238 ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
239 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
242 f_print(fout, "\n\t\tTIMEOUT));\n");
244 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
245 } else { /* single argument, new or old style */
248 "\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",
250 stringfix(proc->args.decls->decl.type),
251 (newstyle ? "&" : ""),
252 (newstyle ? proc->args.decls->decl.name : "argp"),
253 stringfix(proc->res_type), ampr(proc->res_type),
258 "\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",
260 stringfix(proc->args.decls->decl.type),
261 (newstyle ? "&" : ""),
262 (newstyle ? proc->args.decls->decl.name : "argp"),
263 stringfix(proc->res_type), "",
267 f_print(fout, "\t\treturn (NULL);\n");
268 f_print(fout, "\t}\n");
270 if (streq(proc->res_type, "void")) {
271 f_print(fout, "\treturn ((void *)%s%s);\n",
272 ampr(proc->res_type), RESULT);
274 f_print(fout, "\treturn (%s%s);\n",
275 ampr(proc->res_type), RESULT);