diff options
Diffstat (limited to 'developer_cmds/rpcgen/rpc_clntout.c')
-rw-r--r-- | developer_cmds/rpcgen/rpc_clntout.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/developer_cmds/rpcgen/rpc_clntout.c b/developer_cmds/rpcgen/rpc_clntout.c new file mode 100644 index 0000000..e0d2263 --- /dev/null +++ b/developer_cmds/rpcgen/rpc_clntout.c @@ -0,0 +1,230 @@ +/* $NetBSD: rpc_clntout.c,v 1.8 1997/10/18 10:53:37 lukem Exp $ */ +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user or with the express written consent of + * Sun Microsystems, Inc. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ + +#include <sys/cdefs.h> +#ifndef lint +#if 0 +static char sccsid[] = "@(#)rpc_clntout.c 1.11 89/02/22 (C) 1987 SMI"; +#else +__RCSID("$NetBSD: rpc_clntout.c,v 1.8 1997/10/18 10:53:37 lukem Exp $"); +#endif +#endif + +/* + * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler + * Copyright (C) 1987, Sun Microsytsems, Inc. + */ +#include <stdio.h> +#include <string.h> +#include <rpc/types.h> +#include "rpc_scan.h" +#include "rpc_parse.h" +#include "rpc_util.h" + +static void write_program __P((definition *)); +static char *ampr __P((char *)); +static void printbody __P((proc_list *)); + +#define DEFAULT_TIMEOUT 25 /* in seconds */ +static char RESULT[] = "clnt_res"; + + +void +write_stubs() +{ + list *l; + definition *def; + + f_print(fout, + "\n/* Default timeout can be changed using clnt_control() */\n"); + f_print(fout, "static struct timeval TIMEOUT = { %d, 0 };\n", + DEFAULT_TIMEOUT); + for (l = defined; l != NULL; l = l->next) { + def = (definition *) l->val; + if (def->def_kind == DEF_PROGRAM) { + write_program(def); + } + } +} + +static void +write_program(def) + definition *def; +{ + version_list *vp; + proc_list *proc; + + for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { + for (proc = vp->procs; proc != NULL; proc = proc->next) { + f_print(fout, "\n"); + ptype(proc->res_prefix, proc->res_type, 1); + f_print(fout, "*\n"); + pvname(proc->proc_name, vp->vers_num); + printarglist(proc, "clnt", "CLIENT *"); + f_print(fout, "{\n"); + printbody(proc); + f_print(fout, "}\n"); + } + } +} +/* Writes out declarations of procedure's argument list. + In either ANSI C style, in one of old rpcgen style (pass by reference), + or new rpcgen style (multiple arguments, pass by value); + */ + +/* sample addargname = "clnt"; sample addargtype = "CLIENT * " */ + +void +printarglist(proc, addargname, addargtype) + proc_list *proc; + char *addargname, *addargtype; +{ + + decl_list *l; + + if (!newstyle) { /* old style: always pass argument by + * reference */ + if (Cflag) { /* C++ style heading */ + f_print(fout, "("); + ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); + f_print(fout, "*argp, %s%s)\n", addargtype, addargname); + } else { + f_print(fout, "(argp, %s)\n", addargname); + f_print(fout, "\t"); + ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1); + f_print(fout, "*argp;\n"); + } + } else + if (streq(proc->args.decls->decl.type, "void")) { + /* newstyle, 0 argument */ + if (Cflag) + f_print(fout, "(%s%s)\n", addargtype, addargname); + else + f_print(fout, "(%s)\n", addargname); + } else { + /* new style, 1 or multiple arguments */ + if (!Cflag) { + f_print(fout, "("); + for (l = proc->args.decls; l != NULL; l = l->next) + f_print(fout, "%s, ", l->decl.name); + f_print(fout, "%s)\n", addargname); + for (l = proc->args.decls; l != NULL; l = l->next) { + pdeclaration(proc->args.argname, &l->decl, 1, ";\n"); + } + } else {/* C++ style header */ + f_print(fout, "("); + for (l = proc->args.decls; l != NULL; l = l->next) { + pdeclaration(proc->args.argname, &l->decl, 0, ", "); + } + f_print(fout, " %s%s)\n", addargtype, addargname); + } + } + + if (!Cflag) + f_print(fout, "\t%s%s;\n", addargtype, addargname); +} + + + +static char * +ampr(type) + char *type; +{ + if (isvectordef(type, REL_ALIAS)) { + return (""); + } else { + return ("&"); + } +} + +static void +printbody(proc) + proc_list *proc; +{ + decl_list *l; + bool_t args2 = (proc->arg_num > 1); + + /* For new style with multiple arguments, need a structure in which to + * stuff the arguments. */ + if (newstyle && args2) { + f_print(fout, "\t%s", proc->args.argname); + f_print(fout, " arg;\n"); + } + f_print(fout, "\tstatic "); + if (streq(proc->res_type, "void")) { + f_print(fout, "char "); + } else { + ptype(proc->res_prefix, proc->res_type, 0); + } + f_print(fout, "%s;\n", RESULT); + f_print(fout, "\n"); + f_print(fout, "\tmemset((char *)%s%s, 0, sizeof(%s));\n", + ampr(proc->res_type), RESULT, RESULT); + if (newstyle && !args2 && (streq(proc->args.decls->decl.type, "void"))) { + /* newstyle, 0 arguments */ + f_print(fout, + "\tif (clnt_call(clnt, %s, xdr_void", proc->proc_name); + f_print(fout, + ", NULL, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS) {\n", + stringfix(proc->res_type), ampr(proc->res_type), RESULT); + + } else + if (newstyle && args2) { + /* newstyle, multiple arguments: stuff arguments into + * structure */ + for (l = proc->args.decls; l != NULL; l = l->next) { + f_print(fout, "\targ.%s = %s;\n", + l->decl.name, l->decl.name); + } + f_print(fout, + "\tif (clnt_call(clnt, %s, xdr_%s, &arg, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS)\n", + proc->proc_name, + proc->args.argname, + stringfix(proc->res_type), + ampr(proc->res_type), RESULT); + } else { /* single argument, new or old style */ + f_print(fout, + "\tif (clnt_call(clnt, %s, xdr_%s, %s%s, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS)\n", + proc->proc_name, + stringfix(proc->args.decls->decl.type), + (newstyle ? "&" : ""), + (newstyle ? proc->args.decls->decl.name : "argp"), + stringfix(proc->res_type), + ampr(proc->res_type), RESULT); + } + f_print(fout, "\t\treturn (NULL);\n"); + if (streq(proc->res_type, "void")) { + f_print(fout, "\treturn ((void *)%s%s);\n", + ampr(proc->res_type), RESULT); + } else { + f_print(fout, "\treturn (%s%s);\n", ampr(proc->res_type), RESULT); + } +} |