rpc_tblout.c revision 149682
1/* 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. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 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. 16 * 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. 20 * 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. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 */ 29 30#if 0 31#ifndef lint 32#ident "@(#)rpc_tblout.c 1.11 93/07/05 SMI" 33static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI"; 34#endif 35#endif 36 37#include <sys/cdefs.h> 38__FBSDID("$FreeBSD: head/usr.bin/rpcgen/rpc_tblout.c 149682 2005-08-31 20:45:15Z stefanf $"); 39 40/* 41 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler 42 * Copyright (C) 1989, Sun Microsystems, Inc. 43 */ 44#include <err.h> 45#include <stdio.h> 46#include <string.h> 47#include "rpc_parse.h" 48#include "rpc_scan.h" 49#include "rpc_util.h" 50 51#define TABSIZE 8 52#define TABCOUNT 5 53#define TABSTOP (TABSIZE*TABCOUNT) 54 55static char tabstr[TABCOUNT+1] = "\t\t\t\t\t"; 56 57static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n"; 58static char tbl_end[] = "};\n"; 59 60static char null_entry[] = "\n\t(char *(*)())0,\n\ 61 \t(xdrproc_t) xdr_void,\t\t\t0,\n\ 62 \t(xdrproc_t) xdr_void,\t\t\t0,\n"; 63 64 65static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n"; 66 67extern int nullproc( proc_list * ); 68static void write_table( definition * ); 69static void printit( char *, char * ); 70 71void 72write_tables() 73{ 74 list *l; 75 definition *def; 76 77 f_print(fout, "\n"); 78 for (l = defined; l != NULL; l = l->next) { 79 def = (definition *) l->val; 80 if (def->def_kind == DEF_PROGRAM) { 81 write_table(def); 82 } 83 } 84} 85 86static void 87write_table(def) 88 definition *def; 89{ 90 version_list *vp; 91 proc_list *proc; 92 int current; 93 int expected; 94 char progvers[100]; 95 int warning; 96 97 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 98 warning = 0; 99 s_print(progvers, "%s_%s", 100 locase(def->def_name), vp->vers_num); 101 /* print the table header */ 102 f_print(fout, tbl_hdr, progvers); 103 104 if (nullproc(vp->procs)) { 105 expected = 0; 106 } else { 107 expected = 1; 108 f_print(fout, null_entry); 109 } 110 for (proc = vp->procs; proc != NULL; proc = proc->next) { 111 current = atoi(proc->proc_num); 112 if (current != expected++) { 113 f_print(fout, 114 "\n/*\n * WARNING: table out of order\n */\n"); 115 if (warning == 0) { 116 warnx("WARNING %s table is out of order", progvers); 117 warning = 1; 118 nonfatalerrors = 1; 119 } 120 expected = current + 1; 121 } 122 f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION("); 123 124 /* routine to invoke */ 125 if( Cflag && !newstyle ) 126 pvname_svc(proc->proc_name, vp->vers_num); 127 else { 128 if( newstyle ) 129 f_print( fout, "_"); /* calls internal func */ 130 pvname(proc->proc_name, vp->vers_num); 131 } 132 f_print(fout, "),\n"); 133 134 /* argument info */ 135 if( proc->arg_num > 1 ) 136 printit((char*) NULL, proc->args.argname ); 137 else 138 /* do we have to do something special for newstyle */ 139 printit( proc->args.decls->decl.prefix, 140 proc->args.decls->decl.type ); 141 /* result info */ 142 printit(proc->res_prefix, proc->res_type); 143 } 144 145 /* print the table trailer */ 146 f_print(fout, tbl_end); 147 f_print(fout, tbl_nproc, progvers, progvers, progvers); 148 } 149} 150 151static void 152printit(prefix, type) 153 char *prefix; 154 char *type; 155{ 156 int len; 157 int tabs; 158 159 160 len = fprintf(fout, "\txdr_%s,", stringfix(type)); 161 /* account for leading tab expansion */ 162 len += TABSIZE - 1; 163 /* round up to tabs required */ 164 tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE; 165 f_print(fout, "%s", &tabstr[TABCOUNT-tabs]); 166 167 if (streq(type, "void")) { 168 f_print(fout, "0"); 169 } else { 170 f_print(fout, "sizeof ( "); 171 /* XXX: should "follow" be 1 ??? */ 172 ptype(prefix, type, 0); 173 f_print(fout, ")"); 174 } 175 f_print(fout, ",\n"); 176} 177