usr.bin/rpcgen/rpc_tblout.c

   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  * @(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI
  30  * $FreeBSD: src/usr.bin/rpcgen/rpc_tblout.c,v 1.4 1999/08/28 01:05:17 peter Exp $
  31  * $DragonFly: src/usr.bin/rpcgen/rpc_tblout.c,v 1.4 2004/06/19 16:40:36 joerg Exp $
  32  */
  33
  34 #ident  "@(#)rpc_tblout.c       1.11    93/07/05 SMI"
  35
  36 /*
  37  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
  38  * Copyright (C) 1989, Sun Microsystems, Inc.
  39  */
  40 #include <err.h>
  41 #include <stdio.h>
  42 #include <string.h>
  43 #include "rpc_parse.h"
  44 #include "rpc_util.h"
  45
  46 #define TABSIZE         8
  47 #define TABCOUNT        5
  48 #define TABSTOP         (TABSIZE*TABCOUNT)
  49
  50 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
  51
  52 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
  53 static char tbl_end[] = "};\n";
  54
  55 static char null_entry[] = "\n\t(char *(*)())0,\n\
  56  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
  57  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
  58
  59
  60 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
  61
  62 extern int      nullproc(proc_list *);
  63 static void     write_table(definition *);
  64 static void     printit(char *, char *);
  65
  66 void
  67 write_tables(void)
  68 {
  69         list *l;
  70         definition *def;
  71
  72         f_print(fout, "\n");
  73         for (l = defined; l != NULL; l = l->next) {
  74                 def = (definition *) l->val;
  75                 if (def->def_kind == DEF_PROGRAM) {
  76                         write_table(def);
  77                 }
  78         }
  79 }
  80
  81 static void
  82 write_table(definition *def)
  83 {
  84         version_list *vp;
  85         proc_list *proc;
  86         int current;
  87         int expected;
  88         char progvers[100];
  89         int warning;
  90
  91         for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
  92                 warning = 0;
  93                 s_print(progvers, "%s_%s",
  94                     locase(def->def_name), vp->vers_num);
  95                 /* print the table header */
  96                 f_print(fout, tbl_hdr, progvers);
  97
  98                 if (nullproc(vp->procs)) {
  99                         expected = 0;
 100                 } else {
 101                         expected = 1;
 102                         f_print(fout, null_entry);
 103                 }
 104                 for (proc = vp->procs; proc != NULL; proc = proc->next) {
 105                         current = atoi(proc->proc_num);
 106                         if (current != expected++) {
 107                                 f_print(fout,
 108                         "\n/*\n * WARNING: table out of order\n */\n");
 109                                 if (warning == 0) {
 110                                         warnx("WARNING %s table is out of order", progvers);
 111                                         warning = 1;
 112                                         nonfatalerrors = 1;
 113                                 }
 114                                 expected = current + 1;
 115                         }
 116                         f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
 117
 118                         /* routine to invoke */
 119                         if (Cflag && !newstyle)
 120                                 pvname_svc(proc->proc_name, vp->vers_num);
 121                         else {
 122                                 if (newstyle)
 123                                         f_print( fout, "_");   /* calls internal func */
 124                                 pvname(proc->proc_name, vp->vers_num);
 125                         }
 126                         f_print(fout, "),\n");
 127
 128                         /* argument info */
 129                         if (proc->arg_num > 1) {
 130                                 printit(NULL, proc->args.argname);
 131                         } else {
 132                                 /*
 133                                  * do we have to do something special for
 134                                  * newstyle
 135                                  */
 136                                 printit(proc->args.decls->decl.prefix,
 137                                         proc->args.decls->decl.type);
 138                         }
 139                         /* result info */
 140                         printit(proc->res_prefix, proc->res_type);
 141                 }
 142
 143                 /* print the table trailer */
 144                 f_print(fout, tbl_end);
 145                 f_print(fout, tbl_nproc, progvers, progvers, progvers);
 146         }
 147 }
 148
 149 static void
 150 printit(char *prefix, char *type)
 151 {
 152         int len;
 153         int tabs;
 154
 155
 156         len = fprintf(fout, "\txdr_%s,", stringfix(type));
 157         /* account for leading tab expansion */
 158         len += TABSIZE - 1;
 159         /* round up to tabs required */
 160         tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
 161         f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
 162
 163         if (streq(type, "void")) {
 164                 f_print(fout, "0");
 165         } else {
 166                 f_print(fout, "sizeof ( ");
 167                 /* XXX: should "follow" be 1 ??? */
 168                 ptype(prefix, type, 0);
 169                 f_print(fout, ")");
 170         }
 171         f_print(fout, ",\n");
 172 }