2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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4 * media and as a part of the software program in whole or part. Users
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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.
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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
29 * @(#)rpc_clntout.c 1.15 94/04/25 SMI; 1.11 89/02/22 (C) 1987 SMI
30 * $FreeBSD: src/usr.bin/rpcgen/rpc_clntout.c,v 1.12 2005/11/13 21:17:24 dwmalone Exp $
31 * $DragonFly: src/usr.bin/rpcgen/rpc_clntout.c,v 1.5 2004/06/19 16:40:36 joerg Exp $
35 * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
36 * Copyright (C) 1987, Sun Microsytsems, Inc.
40 #include <rpc/types.h>
41 #include "rpc_parse.h"
45 static void write_program(definition *);
46 static void printbody(proc_list *);
48 static char RESULT[] = "clnt_res";
50 #define DEFAULT_TIMEOUT 25 /* in seconds */
59 "\n/* Default timeout can be changed using clnt_control() */\n");
60 f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
62 for (l = defined; l != NULL; l = l->next) {
63 def = (definition *) l->val;
64 if (def->def_kind == DEF_PROGRAM)
70 write_program(definition *def)
75 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
76 for (proc = vp->procs; proc != NULL; proc = proc->next) {
79 ptype(proc->res_prefix, proc->res_type, 1);
81 pvname(proc->proc_name, vp->vers_num);
82 printarglist(proc, RESULT, "clnt", "CLIENT *");
84 f_print(fout, "enum clnt_stat \n");
85 pvname(proc->proc_name, vp->vers_num);
86 printarglist(proc, RESULT, "clnt", "CLIENT *");
98 * Writes out declarations of procedure's argument list.
99 * In either ANSI C style, in one of old rpcgen style (pass by reference),
100 * or new rpcgen style (multiple arguments, pass by value);
103 /* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
106 printarglist(proc_list *proc, const char *result, const char *addargname,
107 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))
160 printbody(proc_list *proc)
163 bool_t args2 = (proc->arg_num > 1);
166 * For new style with multiple arguments, need a structure in which
167 * to stuff the arguments.
171 if (newstyle && args2) {
172 f_print(fout, "\t%s", proc->args.argname);
173 f_print(fout, " arg;\n");
176 f_print(fout, "\tstatic ");
177 if (streq(proc->res_type, "void"))
178 f_print(fout, "char ");
180 ptype(proc->res_prefix, proc->res_type, 0);
181 f_print(fout, "%s;\n", RESULT);
183 f_print(fout, "\tmemset((char *)%s%s, 0, sizeof (%s));\n",
184 ampr(proc->res_type), RESULT, RESULT);
186 if (newstyle && !args2 &&
187 (streq(proc->args.decls->decl.type, "void"))) {
188 /* newstyle, 0 arguments */
191 f_print(fout, "\t return ");
193 f_print(fout, "\t if ");
196 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_void, ",
198 f_print(fout, "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, "
199 "(caddr_t) %s%s,", stringfix(proc->res_type),
200 (mtflag) ? "" : ampr(proc->res_type), RESULT);
203 f_print(fout, "\n\t\tTIMEOUT));\n");
205 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
207 } else if (newstyle && args2) {
209 * Newstyle, multiple arguments
210 * stuff arguments into structure
212 for (l = proc->args.decls; l != NULL; l = l->next) {
213 f_print(fout, "\targ.%s = %s;\n",
214 l->decl.name, l->decl.name);
217 f_print(fout, "\treturn ");
219 f_print(fout, "\tif ");
220 f_print(fout, "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s",
221 proc->proc_name,proc->args.argname);
222 f_print(fout, ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, "
223 "(caddr_t) %s%s,", stringfix(proc->res_type),
224 (mtflag) ? "" : ampr(proc->res_type), RESULT);
226 f_print(fout, "\n\t\tTIMEOUT));\n");
228 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
229 } else { /* single argument, new or old style */
231 f_print(fout, "\tif (clnt_call(clnt, %s,\n"
232 "\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n"
233 "\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n"
234 "\t\tTIMEOUT) != RPC_SUCCESS) {\n",
236 stringfix(proc->args.decls->decl.type),
237 (newstyle ? "&" : ""),
238 (newstyle) ? proc->args.decls->decl.name : "argp",
239 stringfix(proc->res_type),
240 ampr(proc->res_type), RESULT);
242 f_print(fout, "\treturn (clnt_call(clnt, %s,\n"
243 "\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n"
244 "\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n"
245 "\t\tTIMEOUT));\n", proc->proc_name,
246 stringfix(proc->args.decls->decl.type),
247 (newstyle ? "&" : ""),
248 (newstyle) ? proc->args.decls->decl.name : "argp",
249 stringfix(proc->res_type), "", RESULT);
253 f_print(fout, "\t\treturn (NULL);\n");
254 f_print(fout, "\t}\n");
256 if (streq(proc->res_type, "void")) {
257 f_print(fout, "\treturn ((void *)%s%s);\n",
258 ampr(proc->res_type), RESULT);
260 f_print(fout, "\treturn (%s%s);\n",
261 ampr(proc->res_type), RESULT);