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
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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
31 * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
32 * Copyright (C) 1987, Sun Microsytsems, Inc.
36 #include <rpc/types.h>
37 #include "rpc_parse.h"
41 static void write_program( definition * );
42 static void printbody( proc_list * );
44 static char RESULT[] = "clnt_res";
47 #define DEFAULT_TIMEOUT 25 /* in seconds */
57 "\n/* Default timeout can be changed using clnt_control() */\n");
58 f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
60 for (l = defined; l != NULL; l = l->next) {
61 def = (definition *) l->val;
62 if (def->def_kind == DEF_PROGRAM) {
69 write_program(definition *def)
74 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
75 for (proc = vp->procs; proc != NULL; proc = proc->next) {
78 ptype(proc->res_prefix, proc->res_type, 1);
80 pvname(proc->proc_name, vp->vers_num);
81 printarglist(proc, RESULT, "clnt", "CLIENT *");
83 f_print(fout, "enum clnt_stat \n");
84 pvname(proc->proc_name, vp->vers_num);
85 printarglist(proc, RESULT, "clnt", "CLIENT *");
97 * Writes out declarations of procedure's argument list.
98 * In either ANSI C style, in one of old rpcgen style (pass by reference),
99 * or new rpcgen style (multiple arguments, pass by value);
102 /* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
105 printarglist(proc_list *proc, const char *result, const char *addargname,
106 const char *addargtype)
112 /* old style: always pass argument by reference */
114 ptype(proc->args.decls->decl.prefix,
115 proc->args.decls->decl.type, 1);
117 if (mtflag) {/* Generate result field */
118 f_print(fout, "*argp, ");
119 ptype(proc->res_prefix, proc->res_type, 1);
120 f_print(fout, "*%s, %s%s)\n",
121 result, addargtype, addargname);
123 f_print(fout, "*argp, %s%s)\n", addargtype, addargname);
124 } else if (streq(proc->args.decls->decl.type, "void")) {
125 /* newstyle, 0 argument */
128 ptype(proc->res_prefix, proc->res_type, 1);
129 f_print(fout, "*%s, %s%s)\n",
130 result, addargtype, addargname);
132 f_print(fout, "(%s%s)\n", addargtype, addargname);
134 /* new style, 1 or multiple arguments */
136 for (l = proc->args.decls; l != NULL; l = l->next) {
137 pdeclaration(proc->args.argname, &l->decl, 0, ", ");
140 ptype(proc->res_prefix, proc->res_type, 1);
141 f_print(fout, "*%s, ", result);
144 f_print(fout, "%s%s)\n", addargtype, addargname);
151 ampr(const char *type)
153 if (isvectordef(type, REL_ALIAS)) {
161 printbody(proc_list *proc)
164 bool_t args2 = (proc->arg_num > 1);
167 * For new style with multiple arguments, need a structure in which
168 * to stuff the arguments.
172 if (newstyle && args2) {
173 f_print(fout, "\t%s", proc->args.argname);
174 f_print(fout, " arg;\n");
177 f_print(fout, "\tstatic ");
178 if (streq(proc->res_type, "void")) {
179 f_print(fout, "char ");
181 ptype(proc->res_prefix, proc->res_type, 0);
183 f_print(fout, "%s;\n", RESULT);
185 f_print(fout, "\tmemset((char *)%s%s, 0, sizeof (%s));\n",
186 ampr(proc->res_type), RESULT, RESULT);
189 if (newstyle && !args2 &&
190 (streq(proc->args.decls->decl.type, "void"))) {
191 /* newstyle, 0 arguments */
194 f_print(fout, "\t return ");
196 f_print(fout, "\t if ");
199 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_void, ",
202 "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
203 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
207 f_print(fout, "\n\t\tTIMEOUT));\n");
209 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
211 } else if (newstyle && args2) {
213 * Newstyle, multiple arguments
214 * stuff arguments into structure
216 for (l = proc->args.decls; l != NULL; l = l->next) {
217 f_print(fout, "\targ.%s = %s;\n",
218 l->decl.name, l->decl.name);
221 f_print(fout, "\treturn ");
223 f_print(fout, "\tif ");
225 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s",
226 proc->proc_name,proc->args.argname);
228 ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
229 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
232 f_print(fout, "\n\t\tTIMEOUT));\n");
234 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
235 } else { /* single argument, new or old style */
238 "\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",
240 stringfix(proc->args.decls->decl.type),
241 (newstyle ? "&" : ""),
242 (newstyle ? proc->args.decls->decl.name : "argp"),
243 stringfix(proc->res_type), ampr(proc->res_type),
248 "\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",
250 stringfix(proc->args.decls->decl.type),
251 (newstyle ? "&" : ""),
252 (newstyle ? proc->args.decls->decl.name : "argp"),
253 stringfix(proc->res_type), "",
257 f_print(fout, "\t\treturn (NULL);\n");
258 f_print(fout, "\t}\n");
260 if (streq(proc->res_type, "void")) {
261 f_print(fout, "\treturn ((void *)%s%s);\n",
262 ampr(proc->res_type), RESULT);
264 f_print(fout, "\treturn (%s%s);\n",
265 ampr(proc->res_type), RESULT);