Import a newer and more functional version of rpcgen.vendor/rpcgen

Obtained from: the Sun TI-RPC 2.3 source distribution

1 files changed, 597 insertions, 0 deletions

diff --git a/usr.bin/rpcgen/rpc_hout.c b/usr.bin/rpcgen/rpc_hout.c
new file mode 100644
index 000000000000..ae73454ee129
--- /dev/null
+++ b/usr.bin/rpcgen/rpc_hout.c
@@ -0,0 +1,597 @@
+/*
+ * 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.
+ * 
+ * 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
+ */
+
+#ident	"@(#)rpc_hout.c	1.16	94/04/25 SMI"
+
+#ifndef lint
+static char sccsid[] = "@(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI";
+#endif
+
+/*
+ * rpc_hout.c, Header file outputter for the RPC protocol compiler
+ * Copyright (C) 1987, Sun Microsystems, Inc.
+ */
+#include <stdio.h>
+#include <ctype.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+
+void storexdrfuncdecl __P(( char *, int ));
+static int pconstdef __P(( definition * ));
+static int pstructdef __P(( definition * ));
+static int puniondef __P(( definition * ));
+static int pprogramdef __P(( definition * ));
+static int pstructdef __P(( definition * ));
+static int penumdef __P(( definition * ));
+static int ptypedef __P(( definition * ));
+static int pdefine __P(( char *, char * ));
+static int undefined2 __P(( char *, char * ));
+static int parglist __P(( proc_list *, char * ));
+
+static char RESULT[] = "clnt_res";
+
+
+/*
+ * Print the C-version of an xdr definition
+ */
+void
+print_datadef(def)
+	definition *def;
+{
+
+	if (def->def_kind == DEF_PROGRAM)  /* handle data only */
+		return;
+
+	if (def->def_kind != DEF_CONST) {
+		f_print(fout, "\n");
+	}
+	switch (def->def_kind) {
+	case DEF_STRUCT:
+		pstructdef(def);
+		break;
+	case DEF_UNION:
+		puniondef(def);
+		break;
+	case DEF_ENUM:
+		penumdef(def);
+		break;
+	case DEF_TYPEDEF:
+		ptypedef(def);
+		break;
+	case DEF_PROGRAM:
+		pprogramdef(def);
+		break;
+	case DEF_CONST:
+		pconstdef(def);
+		break;
+	}
+	if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) {
+	    storexdrfuncdecl(def->def_name,
+			     def->def_kind != DEF_TYPEDEF ||
+			     !isvectordef(def->def.ty.old_type,
+					  def->def.ty.rel));
+	}
+}
+
+
+void
+print_funcdef(def)
+	definition *def;
+{
+	switch (def->def_kind) {
+	case DEF_PROGRAM:
+		f_print(fout, "\n");
+		pprogramdef(def);
+		break;
+	    }
+}
+
+/* store away enough information to allow the XDR functions to be spat
+    out at the end of the file */
+
+void
+storexdrfuncdecl(name, pointerp)
+char *name;
+int pointerp;
+{
+	xdrfunc * xdrptr;
+
+	xdrptr = (xdrfunc *) malloc(sizeof (struct xdrfunc));
+
+	xdrptr->name = name;
+	xdrptr->pointerp = pointerp;
+	xdrptr->next = NULL;
+
+	if (xdrfunc_tail == NULL){
+		xdrfunc_head = xdrptr;
+		xdrfunc_tail = xdrptr;
+	} else {
+		xdrfunc_tail->next = xdrptr;
+		xdrfunc_tail = xdrptr;
+	}
+
+
+}
+
+void
+print_xdr_func_def(name, pointerp, i)
+char* name;
+int pointerp;
+int i;
+{
+	if (i == 2) {
+		f_print(fout, "extern bool_t xdr_%s();\n", name);
+		return; 
+	}
+	else  
+		f_print(fout, "extern  bool_t xdr_%s(XDR *, %s%s);\n", name,
+			name, pointerp ? "*" : "");
+
+
+}
+
+
+static
+pconstdef(def)
+	definition *def;
+{
+	pdefine(def->def_name, def->def.co);
+}
+
+/* print out the definitions for the arguments of functions in the
+    header file
+*/
+static
+pargdef(def)
+	definition *def;
+{
+	decl_list *l;
+	version_list *vers;
+	char *name;
+	proc_list *plist;
+
+
+	for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) {
+			for (plist = vers->procs; plist != NULL;
+			    plist = plist->next) {
+
+				if (!newstyle || plist->arg_num < 2) {
+					continue; /* old style or single args */
+				}
+				name = plist->args.argname;
+				f_print(fout, "struct %s {\n", name);
+				for (l = plist->args.decls;
+				    l != NULL; l = l->next) {
+					pdeclaration(name, &l->decl, 1,
+						     ";\n");
+				}
+				f_print(fout, "};\n");
+				f_print(fout, "typedef struct %s %s;\n",
+					name, name);
+				storexdrfuncdecl(name, 1);
+				f_print(fout, "\n");
+			}
+		}
+}
+
+
+static
+pstructdef(def)
+	definition *def;
+{
+	decl_list *l;
+	char *name = def->def_name;
+
+	f_print(fout, "struct %s {\n", name);
+	for (l = def->def.st.decls; l != NULL; l = l->next) {
+		pdeclaration(name, &l->decl, 1, ";\n");
+	}
+	f_print(fout, "};\n");
+	f_print(fout, "typedef struct %s %s;\n", name, name);
+}
+
+static
+puniondef(def)
+	definition *def;
+{
+	case_list *l;
+	char *name = def->def_name;
+	declaration *decl;
+
+	f_print(fout, "struct %s {\n", name);
+	decl = &def->def.un.enum_decl;
+	if (streq(decl->type, "bool")) {
+		f_print(fout, "\tbool_t %s;\n", decl->name);
+	} else {
+		f_print(fout, "\t%s %s;\n", decl->type, decl->name);
+	}
+	f_print(fout, "\tunion {\n");
+	for (l = def->def.un.cases; l != NULL; l = l->next) {
+	    if (l->contflag == 0)
+		pdeclaration(name, &l->case_decl, 2, ";\n");
+	}
+	decl = def->def.un.default_decl;
+	if (decl && !streq(decl->type, "void")) {
+		pdeclaration(name, decl, 2, ";\n");
+	}
+	f_print(fout, "\t} %s_u;\n", name);
+	f_print(fout, "};\n");
+	f_print(fout, "typedef struct %s %s;\n", name, name);
+}
+
+static
+pdefine(name, num)
+	char *name;
+	char *num;
+{
+	f_print(fout, "#define\t%s %s\n", name, num);
+}
+
+static
+puldefine(name, num)
+	char *name;
+	char *num;
+{
+	f_print(fout, "#define\t%s ((unsigned long)(%s))\n", name, num);
+}
+
+static
+define_printed(stop, start)
+	proc_list *stop;
+	version_list *start;
+{
+	version_list *vers;
+	proc_list *proc;
+
+	for (vers = start; vers != NULL; vers = vers->next) {
+		for (proc = vers->procs; proc != NULL; proc = proc->next) {
+			if (proc == stop) {
+				return (0);
+			} else if (streq(proc->proc_name, stop->proc_name)) {
+				return (1);
+			}
+		}
+	}
+	abort();
+	/* NOTREACHED */
+}
+
+static
+pfreeprocdef(char * name, char *vers, int mode)
+{
+	f_print(fout, "extern int ");
+	pvname(name, vers);
+	if (mode == 1)
+		f_print(fout,"_freeresult(SVCXPRT *, xdrproc_t, caddr_t);\n");
+	else
+		f_print(fout,"_freeresult();\n");
+
+
+}
+
+static
+pprogramdef(def)
+	definition *def;
+{
+	version_list *vers;
+	proc_list *proc;
+	int i;
+	char *ext;
+
+	pargdef(def);
+
+	puldefine(def->def_name, def->def.pr.prog_num);
+	for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) {
+		if (tblflag) {
+			f_print(fout,
+				"extern struct rpcgen_table %s_%s_table[];\n",
+				locase(def->def_name), vers->vers_num);
+			f_print(fout,
+				"extern %s_%s_nproc;\n",
+				locase(def->def_name), vers->vers_num);
+		}
+		puldefine(vers->vers_name, vers->vers_num);
+
+		/*
+		 * Print out 2 definitions, one for ANSI-C, another for 
+		 * old K & R C
+		 */
+
+		if(!Cflag){
+			ext = "extern  ";
+			for (proc = vers->procs; proc != NULL;
+			     proc = proc->next) {
+				if (!define_printed(proc,
+						    def->def.pr.versions)) {
+					puldefine(proc->proc_name,
+						  proc->proc_num);
+				}
+				f_print(fout, "%s", ext);
+				pprocdef(proc, vers, NULL, 0, 2);
+				
+				if (mtflag) {
+					f_print(fout, "%s", ext);
+					pprocdef(proc, vers, NULL, 1, 2);
+				}
+			}
+			pfreeprocdef(def->def_name, vers->vers_num, 2);
+			
+		} else {
+			for (i = 1; i < 3; i++){
+				if (i == 1){
+					f_print(fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
+					ext = "extern  ";
+				}else{
+					f_print(fout, "\n#else /* K&R C */\n");
+					ext = "extern  ";
+				}
+
+				for (proc = vers->procs; proc != NULL;
+				     proc = proc->next) {
+					if (!define_printed(proc,
+							    def->def.pr.versions)) {
+						puldefine(proc->proc_name,
+							  proc->proc_num);
+					}
+					f_print(fout, "%s", ext);
+					pprocdef(proc, vers, "CLIENT *", 0, i);
+					f_print(fout, "%s", ext);
+					pprocdef(proc, vers, "struct svc_req *", 1, i);
+				}
+			pfreeprocdef(def->def_name, vers->vers_num, i);
+			}
+			f_print(fout, "#endif /* K&R C */\n");
+		}
+	}
+}
+
+pprocdef(proc, vp, addargtype, server_p, mode)
+	proc_list *proc;
+	version_list *vp;
+	char* addargtype;
+	int server_p;
+	int mode;
+{
+	if (mtflag) {/* Print MT style stubs */
+		if (server_p)
+			f_print(fout, "bool_t ");
+		else
+			f_print(fout, "enum clnt_stat ");
+	} else {
+		ptype(proc->res_prefix, proc->res_type, 1);
+		f_print(fout, "* ");
+	}
+	if (server_p)
+		pvname_svc(proc->proc_name, vp->vers_num);
+	else
+		pvname(proc->proc_name, vp->vers_num);
+
+	/*
+	 *  mode  1 = ANSI-C, mode 2 = K&R C
+	 */
+	if ( mode == 1)
+		parglist(proc, addargtype);
+	else
+		f_print(fout, "();\n");
+
+
+
+}
+
+
+
+/* print out argument list of procedure */
+static
+parglist(proc, addargtype)
+	proc_list *proc;
+    char* addargtype;
+{
+	decl_list *dl;
+
+	f_print(fout, "(");
+	if (proc->arg_num < 2 && newstyle &&
+	    streq(proc->args.decls->decl.type, "void")) {
+		/* 0 argument in new style:  do nothing*/
+	}
+	else {
+		for (dl = proc->args.decls; dl != NULL; dl = dl->next) {
+			ptype(dl->decl.prefix, dl->decl.type, 1);
+			if (!newstyle)
+				f_print(fout, "*");
+			/* old style passes by reference */
+			f_print(fout, ", ");
+		}
+	}
+
+	if (mtflag)  {
+		ptype(proc->res_prefix, proc->res_type, 1);
+		f_print(fout, "*, ");
+	}
+
+	f_print(fout, "%s);\n", addargtype);
+
+}
+
+static
+penumdef(def)
+	definition *def;
+{
+	char *name = def->def_name;
+	enumval_list *l;
+	char *last = NULL;
+	int count = 0;
+
+	f_print(fout, "enum %s {\n", name);
+	for (l = def->def.en.vals; l != NULL; l = l->next) {
+		f_print(fout, "\t%s", l->name);
+		if (l->assignment) {
+			f_print(fout, " = %s", l->assignment);
+			last = l->assignment;
+			count = 1;
+		} else {
+			if (last == NULL) {
+				f_print(fout, " = %d", count++);
+			} else {
+				f_print(fout, " = %s + %d", last, count++);
+			}
+		}
+		if (l->next)
+			f_print(fout, ",\n");
+		else
+			f_print(fout, "\n");
+	}
+	f_print(fout, "};\n");
+	f_print(fout, "typedef enum %s %s;\n", name, name);
+}
+
+static
+ptypedef(def)
+	definition *def;
+{
+	char *name = def->def_name;
+	char *old = def->def.ty.old_type;
+	char prefix[8];	/* enough to contain "struct ", including NUL */
+	relation rel = def->def.ty.rel;
+
+
+	if (!streq(name, old)) {
+		if (streq(old, "string")) {
+			old = "char";
+			rel = REL_POINTER;
+		} else if (streq(old, "opaque")) {
+			old = "char";
+		} else if (streq(old, "bool")) {
+			old = "bool_t";
+		}
+		if (undefined2(old, name) && def->def.ty.old_prefix) {
+			s_print(prefix, "%s ", def->def.ty.old_prefix);
+		} else {
+			prefix[0] = 0;
+		}
+		f_print(fout, "typedef ");
+		switch (rel) {
+		case REL_ARRAY:
+			f_print(fout, "struct {\n");
+			f_print(fout, "\tu_int %s_len;\n", name);
+			f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name);
+			f_print(fout, "} %s", name);
+			break;
+		case REL_POINTER:
+			f_print(fout, "%s%s *%s", prefix, old, name);
+			break;
+		case REL_VECTOR:
+			f_print(fout, "%s%s %s[%s]", prefix, old, name,
+				def->def.ty.array_max);
+			break;
+		case REL_ALIAS:
+			f_print(fout, "%s%s %s", prefix, old, name);
+			break;
+		}
+		f_print(fout, ";\n");
+	}
+}
+
+pdeclaration(name, dec, tab, separator)
+	char *name;
+	declaration *dec;
+	int tab;
+	char *separator;
+{
+	char buf[8];	/* enough to hold "struct ", include NUL */
+	char *prefix;
+	char *type;
+
+	if (streq(dec->type, "void")) {
+		return;
+	}
+	tabify(fout, tab);
+	if (streq(dec->type, name) && !dec->prefix) {
+		f_print(fout, "struct ");
+	}
+	if (streq(dec->type, "string")) {
+		f_print(fout, "char *%s", dec->name);
+	} else {
+		prefix = "";
+		if (streq(dec->type, "bool")) {
+			type = "bool_t";
+		} else if (streq(dec->type, "opaque")) {
+			type = "char";
+		} else {
+			if (dec->prefix) {
+				s_print(buf, "%s ", dec->prefix);
+				prefix = buf;
+			}
+			type = dec->type;
+		}
+		switch (dec->rel) {
+		case REL_ALIAS:
+			f_print(fout, "%s%s %s", prefix, type, dec->name);
+			break;
+		case REL_VECTOR:
+			f_print(fout, "%s%s %s[%s]", prefix, type, dec->name,
+				dec->array_max);
+			break;
+		case REL_POINTER:
+			f_print(fout, "%s%s *%s", prefix, type, dec->name);
+			break;
+		case REL_ARRAY:
+			f_print(fout, "struct {\n");
+			tabify(fout, tab);
+			f_print(fout, "\tu_int %s_len;\n", dec->name);
+			tabify(fout, tab);
+			f_print(fout,
+				"\t%s%s *%s_val;\n", prefix, type, dec->name);
+			tabify(fout, tab);
+			f_print(fout, "} %s", dec->name);
+			break;
+		}
+	}
+	f_print(fout, separator);
+}
+
+static
+undefined2(type, stop)
+	char *type;
+	char *stop;
+{
+	list *l;
+	definition *def;
+
+	for (l = defined; l != NULL; l = l->next) {
+		def = (definition *) l->val;
+		if (def->def_kind != DEF_PROGRAM) {
+			if (streq(def->def_name, stop)) {
+				return (1);
+			} else if (streq(def->def_name, type)) {
+				return (0);
+			}
+		}
+	}
+	return (1);
+}