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
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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>
39 * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
40 * Copyright (C) 1987, Sun Microsytsems, Inc.
44 #include <rpc/types.h>
45 #include "rpc_parse.h"
49 static void write_program( definition * );
50 static void printbody( proc_list * );
52 static char RESULT[] = "clnt_res";
55 #define DEFAULT_TIMEOUT 25 /* in seconds */
65 "\n/* Default timeout can be changed using clnt_control() */\n");
66 f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
68 for (l = defined; l != NULL; l = l->next) {
69 def = (definition *) l->val;
70 if (def->def_kind == DEF_PROGRAM) {
77 write_program(definition *def)
82 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
83 for (proc = vp->procs; proc != NULL; proc = proc->next) {
86 ptype(proc->res_prefix, proc->res_type, 1);
88 pvname(proc->proc_name, vp->vers_num);
89 printarglist(proc, RESULT, "clnt", "CLIENT *");
91 f_print(fout, "enum clnt_stat \n");
92 pvname(proc->proc_name, vp->vers_num);
93 printarglist(proc, RESULT, "clnt", "CLIENT *");
105 * Writes out declarations of procedure's argument list.
106 * In either ANSI C style, in one of old rpcgen style (pass by reference),
107 * or new rpcgen style (multiple arguments, pass by value);
110 /* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
113 printarglist(proc_list *proc, const char *result, const char *addargname,
114 const char *addargtype)
120 /* old style: always pass argument by reference */
122 ptype(proc->args.decls->decl.prefix,
123 proc->args.decls->decl.type, 1);
125 if (mtflag) {/* Generate result field */
126 f_print(fout, "*argp, ");
127 ptype(proc->res_prefix, proc->res_type, 1);
128 f_print(fout, "*%s, %s%s)\n",
129 result, addargtype, addargname);
131 f_print(fout, "*argp, %s%s)\n", addargtype, addargname);
132 } else if (streq(proc->args.decls->decl.type, "void")) {
133 /* newstyle, 0 argument */
136 ptype(proc->res_prefix, proc->res_type, 1);
137 f_print(fout, "*%s, %s%s)\n",
138 result, addargtype, addargname);
140 f_print(fout, "(%s%s)\n", addargtype, addargname);
142 /* new style, 1 or multiple arguments */
144 for (l = proc->args.decls; l != NULL; l = l->next) {
145 pdeclaration(proc->args.argname, &l->decl, 0, ", ");
148 ptype(proc->res_prefix, proc->res_type, 1);
149 f_print(fout, "*%s, ", result);
152 f_print(fout, "%s%s)\n", addargtype, addargname);
159 ampr(const char *type)
161 if (isvectordef(type, REL_ALIAS)) {
169 printbody(proc_list *proc)
172 bool_t args2 = (proc->arg_num > 1);
175 * For new style with multiple arguments, need a structure in which
176 * to stuff the arguments.
180 if (newstyle && args2) {
181 f_print(fout, "\t%s", proc->args.argname);
182 f_print(fout, " arg;\n");
185 f_print(fout, "\tstatic ");
186 if (streq(proc->res_type, "void")) {
187 f_print(fout, "char ");
189 ptype(proc->res_prefix, proc->res_type, 0);
191 f_print(fout, "%s;\n", RESULT);
193 f_print(fout, "\tmemset((char *)%s%s, 0, sizeof (%s));\n",
194 ampr(proc->res_type), RESULT, RESULT);
197 if (newstyle && !args2 &&
198 (streq(proc->args.decls->decl.type, "void"))) {
199 /* newstyle, 0 arguments */
202 f_print(fout, "\t return ");
204 f_print(fout, "\t if ");
207 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_void, ",
210 "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
211 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
215 f_print(fout, "\n\t\tTIMEOUT));\n");
217 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
219 } else if (newstyle && args2) {
221 * Newstyle, multiple arguments
222 * stuff arguments into structure
224 for (l = proc->args.decls; l != NULL; l = l->next) {
225 f_print(fout, "\targ.%s = %s;\n",
226 l->decl.name, l->decl.name);
229 f_print(fout, "\treturn ");
231 f_print(fout, "\tif ");
233 "(clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s",
234 proc->proc_name,proc->args.argname);
236 ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
237 stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
240 f_print(fout, "\n\t\tTIMEOUT));\n");
242 f_print(fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
243 } else { /* single argument, new or old style */
246 "\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",
248 stringfix(proc->args.decls->decl.type),
249 (newstyle ? "&" : ""),
250 (newstyle ? proc->args.decls->decl.name : "argp"),
251 stringfix(proc->res_type), ampr(proc->res_type),
256 "\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",
258 stringfix(proc->args.decls->decl.type),
259 (newstyle ? "&" : ""),
260 (newstyle ? proc->args.decls->decl.name : "argp"),
261 stringfix(proc->res_type), "",
265 f_print(fout, "\t\treturn (NULL);\n");
266 f_print(fout, "\t}\n");
268 if (streq(proc->res_type, "void")) {
269 f_print(fout, "\treturn ((void *)%s%s);\n",
270 ampr(proc->res_type), RESULT);
272 f_print(fout, "\treturn (%s%s);\n",
273 ampr(proc->res_type), RESULT);