1 /* $NetBSD: rpc_clntout.c,v 1.15 2013/12/15 00:40:17 christos Exp $ */ 2 /* 3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 4 * unrestricted use provided that this legend is included on all tape 5 * media and as a part of the software program in whole or part. Users 6 * may copy or modify Sun RPC without charge, but are not authorized 7 * to license or distribute it to anyone else except as part of a product or 8 * program developed by the user or with the express written consent of 9 * Sun Microsystems, Inc. 10 * 11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14 * 15 * Sun RPC is provided with no support and without any obligation on the 16 * part of Sun Microsystems, Inc. to assist in its use, correction, 17 * modification or enhancement. 18 * 19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21 * OR ANY PART THEREOF. 22 * 23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24 * or profits or other special, indirect and consequential damages, even if 25 * Sun has been advised of the possibility of such damages. 26 * 27 * Sun Microsystems, Inc. 28 * 2550 Garcia Avenue 29 * Mountain View, California 94043 30 */ 31 32 #if HAVE_NBTOOL_CONFIG_H 33 #include "nbtool_config.h" 34 #endif 35 36 #include <sys/cdefs.h> 37 #if defined(__RCSID) && !defined(lint) 38 #if 0 39 static char sccsid[] = "@(#)rpc_clntout.c 1.11 89/02/22 (C) 1987 SMI"; 40 #else 41 __RCSID("$NetBSD: rpc_clntout.c,v 1.15 2013/12/15 00:40:17 christos Exp $"); 42 #endif 43 #endif 44 45 /* 46 * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler 47 * Copyright (C) 1987, Sun Microsytsems, Inc. 48 */ 49 #include <stdio.h> 50 #include <string.h> 51 #include <rpc/types.h> 52 #include "rpc_scan.h" 53 #include "rpc_parse.h" 54 #include "rpc_util.h" 55 56 static void write_program(definition *); 57 static const char *ampr(const char *); 58 static const char *aster(const char *); 59 static void printbody(proc_list *); 60 61 #define DEFAULT_TIMEOUT 25 /* in seconds */ 62 static char RESULT[] = "clnt_res"; 63 64 65 void 66 write_stubs(void) 67 { 68 list *l; 69 definition *def; 70 71 f_print(fout, 72 "\n/* Default timeout can be changed using clnt_control() */\n"); 73 f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n", 74 DEFAULT_TIMEOUT); 75 for (l = defined; l != NULL; l = l->next) { 76 def = (definition *) l->val; 77 if (def->def_kind == DEF_PROGRAM) { 78 write_program(def); 79 } 80 } 81 } 82 83 static void 84 write_program(definition *def) 85 { 86 version_list *vp; 87 proc_list *proc; 88 89 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 90 for (proc = vp->procs; proc != NULL; proc = proc->next) { 91 f_print(fout, "\n"); 92 if (Mflag) 93 f_print(fout, "enum clnt_stat\n"); 94 else { 95 ptype(proc->res_prefix, proc->res_type, 1); 96 f_print(fout, "*\n"); 97 } 98 pvname(proc->proc_name, vp->vers_num); 99 printarglist(proc, RESULT, "clnt", "CLIENT *"); 100 f_print(fout, "{\n"); 101 printbody(proc); 102 f_print(fout, "}\n"); 103 } 104 } 105 } 106 /* Writes out declarations of procedure's argument list. 107 In either ANSI C style, in one of old rpcgen style (pass by reference), 108 or new rpcgen style (multiple arguments, pass by value); 109 */ 110 111 /* sample addargname = "clnt"; sample addargtype = "CLIENT * " */ 112 113 void 114 printarglist(proc_list *proc, const char *result, 115 const char *addargname, const char *addargtype) 116 { 117 118 decl_list *l; 119 120 if (!newstyle) { /* old style: always pass argument by 121 * reference */ 122 f_print(fout, "("); 123 ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); 124 f_print(fout, "*argp, "); 125 if (Mflag) { 126 if (streq(proc->res_type, "void")) 127 f_print(fout, "char "); 128 else 129 ptype(proc->res_prefix, proc->res_type, 0); 130 f_print(fout, "%s%s, ", aster(proc->res_type), 131 result); 132 } 133 f_print(fout, "%s%s)\n", addargtype, addargname); 134 } else { 135 f_print(fout, "("); 136 if (!streq(proc->args.decls->decl.type, "void")) { 137 /* new style, 1 or multiple arguments */ 138 for (l = proc->args.decls; l != NULL; l = l->next) 139 pdeclaration(proc->args.argname, 140 &l->decl, 0, ", "); 141 } 142 if (Mflag) { 143 if (streq(proc->res_type, "void")) 144 f_print(fout, "char "); 145 else 146 ptype(proc->res_prefix, proc->res_type, 0); 147 f_print(fout, "%s%s, ", aster(proc->res_type), 148 result); 149 } 150 f_print(fout, "%s%s)\n", addargtype, addargname); 151 } 152 } 153 154 155 static const char * 156 ampr(const char *type) 157 { 158 if (isvectordef(type, REL_ALIAS)) { 159 return (""); 160 } else { 161 return ("&"); 162 } 163 } 164 165 static const char * 166 aster(const char *type) 167 { 168 if (isvectordef(type, REL_ALIAS)) { 169 return (""); 170 } else { 171 return ("*"); 172 } 173 } 174 175 static void 176 printbody(proc_list *proc) 177 { 178 decl_list *l; 179 bool_t args2 = (proc->arg_num > 1); 180 181 /* For new style with multiple arguments, need a structure in which to 182 * stuff the arguments. */ 183 if (newstyle && args2) { 184 f_print(fout, "\t%s", proc->args.argname); 185 f_print(fout, " arg;\n"); 186 } 187 if (!Mflag) { 188 f_print(fout, "\tstatic "); 189 if (streq(proc->res_type, "void")) 190 f_print(fout, "char "); 191 else 192 ptype(proc->res_prefix, proc->res_type, 0); 193 f_print(fout, "%s;\n", RESULT); 194 } 195 f_print(fout, "\n"); 196 if (!Mflag) 197 f_print(fout, "\tmemset((char *)%s%s, 0, sizeof(%s));\n", 198 ampr(proc->res_type), RESULT, RESULT); 199 if (newstyle && !args2 && (streq(proc->args.decls->decl.type, "void"))) { 200 /* newstyle, 0 arguments */ 201 if (Mflag) { 202 f_print(fout, "\treturn (clnt_call(clnt, %s, xdr_void", 203 proc->proc_name); 204 f_print(fout, ", NULL, xdr_%s, %s, TIMEOUT));\n", 205 stringfix(proc->res_type), RESULT); 206 } else { 207 f_print(fout, "\tif (clnt_call(clnt, %s, xdr_void, ", 208 proc->proc_name); 209 f_print(fout, 210 "NULL, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS)\n", 211 stringfix(proc->res_type), ampr(proc->res_type), 212 RESULT); 213 } 214 } else { 215 if (newstyle && args2) { 216 /* newstyle, multiple arguments: stuff arguments into 217 * structure */ 218 for (l = proc->args.decls; l != NULL; l = l->next) { 219 f_print(fout, "\targ.%s = %s;\n", 220 l->decl.name, l->decl.name); 221 } 222 if (Mflag) { 223 f_print(fout, 224 "\treturn (clnt_call(clnt, %s, xdr_%s, &arg, xdr_%s, %s, TIMEOUT));\n", 225 proc->proc_name, proc->args.argname, 226 stringfix(proc->res_type), RESULT); 227 } else { 228 f_print(fout, 229 "\tif (clnt_call(clnt, %s, xdr_%s, &arg, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS)\n", 230 proc->proc_name, proc->args.argname, 231 stringfix(proc->res_type), 232 ampr(proc->res_type), RESULT); 233 } 234 } else { /* single argument, new or old style */ 235 if (Mflag) { 236 f_print(fout, 237 "\treturn (clnt_call(clnt, %s, xdr_%s, %s%s, xdr_%s, %s, TIMEOUT));\n", 238 proc->proc_name, 239 stringfix(proc->args.decls->decl.type), 240 (newstyle ? "&" : ""), 241 (newstyle ? proc->args.decls->decl.name : "argp"), 242 stringfix(proc->res_type), RESULT); 243 } else { 244 f_print(fout, 245 "\tif (clnt_call(clnt, %s, xdr_%s, %s%s, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS)\n", 246 proc->proc_name, 247 stringfix(proc->args.decls->decl.type), 248 (newstyle ? "&" : ""), 249 (newstyle ? proc->args.decls->decl.name : "argp"), 250 stringfix(proc->res_type), 251 ampr(proc->res_type), RESULT); 252 } 253 } 254 } 255 if (!Mflag) { 256 f_print(fout, "\t\treturn (NULL);\n"); 257 if (streq(proc->res_type, "void")) 258 f_print(fout, "\treturn ((void *)%s%s);\n", 259 ampr(proc->res_type), RESULT); 260 else 261 f_print(fout, "\treturn (%s%s);\n", 262 ampr(proc->res_type), RESULT); 263 } 264 } 265
Indexes created Sat Sep 20 22:09:52 GMT 2025