1 /*	$NetBSD: rpc_tblout.c,v 1.15 2016/01/23 02:33:09 dholland 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_tblout.c 1.4 89/02/22 (C) 1988 SMI";
40 #else
41 __RCSID("$NetBSD: rpc_tblout.c,v 1.15 2016/01/23 02:33:09 dholland Exp $");
42 #endif
43 #endif
44 
45 /*
46  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
47  */
48 #include <stdio.h>
49 #include <string.h>
50 #include <stdlib.h>
51 #include "rpc_scan.h"
52 #include "rpc_parse.h"
53 #include "rpc_util.h"
54 
55 #define TABSIZE		8
56 #define TABCOUNT	5
57 #define TABSTOP		(TABSIZE*TABCOUNT)
58 
59 static char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
60 
61 static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
62 static const char tbl_end[] = "};\n";
63 
64 static const char null_entry[] = "\t(char *(*)())0,\n\
65  \t(xdrproc_t)xdr_void,\t\t0,\n\
66  \t(xdrproc_t)xdr_void,\t\t0,\n";
67 
68 static const char tbl_nproc[] =
69     "unsigned int %s_nproc =\n\t(unsigned int)(sizeof(%s_table)/sizeof(%s_table[0]));\n\n";
70 
71 static void write_table(definition *);
72 static void printit(const char *, const char *);
73 
74 void
write_tables(void)75 write_tables(void)
76 {
77 	list   *l;
78 	definition *def;
79 
80 	f_print(fout, "\n");
81 	for (l = defined; l != NULL; l = l->next) {
82 		def = (definition *) l->val;
83 		if (def->def_kind == DEF_PROGRAM) {
84 			write_table(def);
85 		}
86 	}
87 }
88 
89 static void
write_table(definition * def)90 write_table(definition *def)
91 {
92 	version_list *vp;
93 	proc_list *proc;
94 	int     current;
95 	int     expected;
96 	char    progvers[100];
97 	int     warning;
98 
99 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
100 		warning = 0;
101 		s_print(progvers, "%s_%s",
102 		    locase(def->def_name), vp->vers_num);
103 		/* print the table header */
104 		f_print(fout, tbl_hdr, progvers);
105 
106 		if (nullproc(vp->procs)) {
107 			expected = 0;
108 		} else {
109 			expected = 1;
110 			f_print(fout, null_entry);
111 		}
112 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
113 			if (expected != 0)
114 				f_print(fout, "\n");
115 			current = atoi(proc->proc_num);
116 			if (current != expected++) {
117 				f_print(fout,
118 				    "/*\n * WARNING: table out of order\n */\n\n");
119 				if (warning == 0) {
120 					f_print(stderr,
121 					    "WARNING %s table is out of order\n",
122 					    progvers);
123 					warning = 1;
124 					nonfatalerrors = 1;
125 				}
126 				expected = current + 1;
127 			}
128 			f_print(fout, "\t(char *(*)())RPCGEN_ACTION(");
129 
130 			/* routine to invoke */
131 			if (!newstyle)
132 				pvname_svc(proc->proc_name, vp->vers_num);
133 			else {
134 				if (newstyle)
135 					f_print(fout, "_");	/* calls internal func */
136 				pvname(proc->proc_name, vp->vers_num);
137 			}
138 			f_print(fout, "),\n");
139 
140 			/* argument info */
141 			if (proc->arg_num > 1)
142 				printit(NULL, proc->args.argname);
143 			else
144 				/* do we have to do something special for
145 				 * newstyle */
146 				printit(proc->args.decls->decl.prefix,
147 				    proc->args.decls->decl.type);
148 			/* result info */
149 			printit(proc->res_prefix, proc->res_type);
150 		}
151 
152 		/* print the table trailer */
153 		f_print(fout, tbl_end);
154 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
155 	}
156 }
157 
158 static void
printit(const char * prefix,const char * type)159 printit(const char *prefix, const char *type)
160 {
161 	int     len;
162 	int     tabs;
163 
164 
165 	len = fprintf(fout, "\txdr_%s,", stringfix(type));
166 	/* account for leading tab expansion */
167 	len += TABSIZE - 1;
168 	/* round up to tabs required */
169 	tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
170 	f_print(fout, "%s", &tabstr[TABCOUNT - tabs]);
171 
172 	if (streq(type, "void")) {
173 		f_print(fout, "0");
174 	} else {
175 		f_print(fout, "(unsigned int)sizeof(");
176 		/* XXX: should "follow" be 1 ??? */
177 		ptype(prefix, type, 0);
178 		f_print(fout, ")");
179 	}
180 	f_print(fout, ",\n");
181 }
182