Annotation of src/usr.bin/rpcgen/rpc_tblout.c, Revision 1.15
1.15 ! guenther 1: /* $OpenBSD: rpc_tblout.c,v 1.14 2012/12/05 23:20:26 deraadt Exp $ */
1.1 deraadt 2: /* $NetBSD: rpc_tblout.c,v 1.3 1995/06/24 15:00:15 pk Exp $ */
1.13 millert 3:
1.1 deraadt 4: /*
1.13 millert 5: * Copyright (c) 2010, Oracle America, Inc.
1.1 deraadt 6: *
1.13 millert 7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions are
9: * met:
1.1 deraadt 10: *
1.13 millert 11: * * Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * * Redistributions in binary form must reproduce the above
14: * copyright notice, this list of conditions and the following
15: * disclaimer in the documentation and/or other materials
16: * provided with the distribution.
17: * * Neither the name of the "Oracle America, Inc." nor the names of its
18: * contributors may be used to endorse or promote products derived
19: * from this software without specific prior written permission.
1.1 deraadt 20: *
1.13 millert 21: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24: * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25: * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
26: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
28: * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 deraadt 33: */
34:
35: /*
36: * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
37: */
38: #include <stdio.h>
1.10 deraadt 39: #include <stdlib.h>
1.1 deraadt 40: #include <string.h>
41: #include "rpc_parse.h"
42: #include "rpc_util.h"
43:
44: #define TABSIZE 8
45: #define TABCOUNT 5
46: #define TABSTOP (TABSIZE*TABCOUNT)
47:
48: static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
49:
1.15 ! guenther 50: static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
! 51: static const char tbl_end[] = "};\n";
1.1 deraadt 52:
1.15 ! guenther 53: static const char null_entry[] = "\n\t(char *(*)())0,\n\
1.7 deraadt 54: \t(xdrproc_t) xdr_void,\t\t\t0,\n\
55: \t(xdrproc_t) xdr_void,\t\t\t0,\n";
1.1 deraadt 56:
1.15 ! guenther 57: static const char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
1.1 deraadt 58:
1.8 millert 59: static void write_table(definition *);
60: static void printit(char *, char *);
1.1 deraadt 61:
62: void
63: write_tables()
64: {
1.7 deraadt 65: definition *def;
1.6 deraadt 66: list *l;
1.1 deraadt 67:
1.9 deraadt 68: fprintf(fout, "\n");
1.1 deraadt 69: for (l = defined; l != NULL; l = l->next) {
70: def = (definition *) l->val;
1.7 deraadt 71: if (def->def_kind == DEF_PROGRAM)
1.1 deraadt 72: write_table(def);
73: }
74: }
75:
1.7 deraadt 76: static void
1.1 deraadt 77: write_table(def)
78: definition *def;
79: {
80: version_list *vp;
81: proc_list *proc;
82: int current;
83: int expected;
84: char progvers[100];
85: int warning;
86:
87: for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
88: warning = 0;
1.9 deraadt 89: snprintf(progvers, sizeof progvers, "%s_%s",
1.1 deraadt 90: locase(def->def_name), vp->vers_num);
91: /* print the table header */
1.9 deraadt 92: fprintf(fout, tbl_hdr, progvers);
1.1 deraadt 93:
94: if (nullproc(vp->procs)) {
95: expected = 0;
96: } else {
97: expected = 1;
1.9 deraadt 98: fprintf(fout, null_entry);
1.1 deraadt 99: }
100: for (proc = vp->procs; proc != NULL; proc = proc->next) {
101: current = atoi(proc->proc_num);
102: if (current != expected++) {
1.9 deraadt 103: fprintf(fout,
1.7 deraadt 104: "\n/*\n * WARNING: table out of order\n */\n");
1.1 deraadt 105: if (warning == 0) {
1.9 deraadt 106: fprintf(stderr,
1.7 deraadt 107: "WARNING %s table is out of order\n",
1.1 deraadt 108: progvers);
109: warning = 1;
110: nonfatalerrors = 1;
111: }
112: expected = current + 1;
113: }
1.9 deraadt 114: fprintf(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
1.1 deraadt 115:
116: /* routine to invoke */
1.7 deraadt 117: if (!newstyle)
118: pvname_svc(proc->proc_name, vp->vers_num);
1.1 deraadt 119: else {
1.7 deraadt 120: if (newstyle)
1.9 deraadt 121: fprintf(fout, "_"); /* calls internal func */
1.7 deraadt 122: pvname(proc->proc_name, vp->vers_num);
1.1 deraadt 123: }
1.9 deraadt 124: fprintf(fout, "),\n");
1.1 deraadt 125:
126: /* argument info */
1.7 deraadt 127: if (proc->arg_num > 1)
128: printit((char*) NULL, proc->args.argname);
129: else
130: /* do we have to do something special for newstyle */
131: printit(proc->args.decls->decl.prefix,
132: proc->args.decls->decl.type);
1.1 deraadt 133: /* result info */
134: printit(proc->res_prefix, proc->res_type);
135: }
136:
137: /* print the table trailer */
1.9 deraadt 138: fprintf(fout, tbl_end);
139: fprintf(fout, tbl_nproc, progvers, progvers, progvers);
1.1 deraadt 140: }
141: }
142:
1.7 deraadt 143: static void
1.1 deraadt 144: printit(prefix, type)
145: char *prefix;
146: char *type;
147: {
1.7 deraadt 148: int len, tabs;
1.1 deraadt 149:
1.10 deraadt 150: len = fprintf(fout, "\txdr_%s,", stringfix(type));
1.1 deraadt 151: /* account for leading tab expansion */
152: len += TABSIZE - 1;
153: /* round up to tabs required */
154: tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
1.9 deraadt 155: fprintf(fout, "%s", &tabstr[TABCOUNT-tabs]);
1.1 deraadt 156:
157: if (streq(type, "void")) {
1.9 deraadt 158: fprintf(fout, "0");
1.1 deraadt 159: } else {
1.9 deraadt 160: fprintf(fout, "sizeof (");
1.1 deraadt 161: /* XXX: should "follow" be 1 ??? */
162: ptype(prefix, type, 0);
1.9 deraadt 163: fprintf(fout, ")");
1.1 deraadt 164: }
1.9 deraadt 165: fprintf(fout, ",\n");
1.1 deraadt 166: }