1 files changed, 511 insertions, 0 deletions
diff --git a/usr.bin/rpcgen/rpc_util.c b/usr.bin/rpcgen/rpc_util.c
new file mode 100644
index 0000000..9d1c85b
--- /dev/null
+++ b/usr.bin/rpcgen/rpc_util.c
@@ -0,0 +1,511 @@
+/*
+ * 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
+ */
+
+#if 0
+#ifndef lint
+#ident	"@(#)rpc_util.c	1.14	93/07/05 SMI"
+static char sccsid[] = "@(#)rpc_util.c 1.11 89/02/22 (C) 1987 SMI";
+#endif
+#endif
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * rpc_util.c, Utility routines for the RPC protocol compiler
+ * Copyright (C) 1989, Sun Microsystems, Inc.
+ */
+#include <err.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include "rpc_parse.h"
+#include "rpc_scan.h"
+#include "rpc_util.h"
+
+#define	ARGEXT "argument"
+
+char curline[MAXLINESIZE];	/* current read line */
+char *where = curline;		/* current point in line */
+int linenum = 0;		/* current line number */
+
+const char *infilename;		/* input filename */
+
+#define	NFILES   7
+const char *outfiles[NFILES];	/* output file names */
+int nfiles;
+
+FILE *fout;			/* file pointer of current output */
+FILE *fin;			/* file pointer of current input */
+
+list *defined;			/* list of defined things */
+
+static void printwhere( void );
+
+/*
+ * Reinitialize the world
+ */
+void
+reinitialize(void)
+{
+	memset(curline, 0, MAXLINESIZE);
+	where = curline;
+	linenum = 0;
+	defined = NULL;
+}
+
+/*
+ * string equality
+ */
+int
+streq(const char *a, const char *b)
+{
+	return (strcmp(a, b) == 0);
+}
+
+/*
+ * find a value in a list
+ */
+definition *
+findval(list *lst, const char *val, int (*cmp)(definition *, const char *))
+{
+	for (; lst != NULL; lst = lst->next) {
+		if ((*cmp) (lst->val, val)) {
+			return (lst->val);
+		}
+	}
+	return (NULL);
+}
+
+/*
+ * store a value in a list
+ */
+void
+storeval(list **lstp, definition *val)
+{
+	list **l;
+	list *lst;
+
+	for (l = lstp; *l != NULL; l = (list **) & (*l)->next);
+	lst = XALLOC(list);
+	lst->val = val;
+	lst->next = NULL;
+	*l = lst;
+}
+
+static int
+findit(definition *def, const char *type)
+{
+	return (streq(def->def_name, type));
+}
+
+static const char *
+fixit(const char *type, const char *orig)
+{
+	definition *def;
+
+	def = (definition *) FINDVAL(defined, type, findit);
+	if (def == NULL || def->def_kind != DEF_TYPEDEF) {
+		return (orig);
+	}
+	switch (def->def.ty.rel) {
+	case REL_VECTOR:
+		if (streq(def->def.ty.old_type, "opaque"))
+			return ("char");
+		else
+			return (def->def.ty.old_type);
+
+	case REL_ALIAS:
+		return (fixit(def->def.ty.old_type, orig));
+	default:
+		return (orig);
+	}
+}
+
+const char *
+fixtype(const char *type)
+{
+	return (fixit(type, type));
+}
+
+const char *
+stringfix(const char *type)
+{
+	if (streq(type, "string")) {
+		return ("wrapstring");
+	} else {
+		return (type);
+	}
+}
+
+void
+ptype(const char *prefix, const char *type, int follow)
+{
+	if (prefix != NULL) {
+		if (streq(prefix, "enum")) {
+			f_print(fout, "enum ");
+		} else {
+			f_print(fout, "struct ");
+		}
+	}
+	if (streq(type, "bool")) {
+		f_print(fout, "bool_t ");
+	} else if (streq(type, "string")) {
+		f_print(fout, "char *");
+	} else {
+		f_print(fout, "%s ", follow ? fixtype(type) : type);
+	}
+}
+
+static int
+typedefed(definition *def, const char *type)
+{
+	if (def->def_kind != DEF_TYPEDEF || def->def.ty.old_prefix != NULL) {
+		return (0);
+	} else {
+		return (streq(def->def_name, type));
+	}
+}
+
+int
+isvectordef(const char *type, relation rel)
+{
+	definition *def;
+
+	for (;;) {
+		switch (rel) {
+		case REL_VECTOR:
+			return (!streq(type, "string"));
+		case REL_ARRAY:
+			return (0);
+		case REL_POINTER:
+			return (0);
+		case REL_ALIAS:
+			def = (definition *) FINDVAL(defined, type, typedefed);
+			if (def == NULL) {
+				return (0);
+			}
+			type = def->def.ty.old_type;
+			rel = def->def.ty.rel;
+		}
+	}
+
+	return (0);
+}
+
+char *
+locase(const char *str)
+{
+	char c;
+	static char buf[100];
+	char *p = buf;
+
+	while ( (c = *str++) ) {
+		*p++ = (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
+	}
+	*p = 0;
+	return (buf);
+}
+
+void
+pvname_svc(const char *pname, const char *vnum)
+{
+	f_print(fout, "%s_%s_svc", locase(pname), vnum);
+}
+
+void
+pvname(const char *pname, const char *vnum)
+{
+	f_print(fout, "%s_%s", locase(pname), vnum);
+}
+
+/*
+ * print a useful (?) error message, and then die
+ */
+void
+error(const char *msg)
+{
+	printwhere();
+	warnx("%s, line %d: %s", infilename, linenum, msg);
+	crash();
+}
+
+/*
+ * Something went wrong, unlink any files that we may have created and then
+ * die.
+ */
+void
+crash(void)
+{
+	int i;
+
+	for (i = 0; i < nfiles; i++) {
+		(void) unlink(outfiles[i]);
+	}
+	exit(1);
+}
+
+void
+record_open(const char *file)
+{
+	if (nfiles < NFILES) {
+		outfiles[nfiles++] = file;
+	} else {
+		warnx("too many files");
+		crash();
+	}
+}
+
+static char expectbuf[100];
+static const char *toktostr(tok_kind kind);
+
+/*
+ * error, token encountered was not the expected one
+ */
+void
+expected1(tok_kind exp1)
+{
+	s_print(expectbuf, "expected '%s'",
+		toktostr(exp1));
+	error(expectbuf);
+}
+
+/*
+ * error, token encountered was not one of two expected ones
+ */
+void
+expected2(tok_kind exp1, tok_kind exp2)
+{
+	s_print(expectbuf, "expected '%s' or '%s'",
+		toktostr(exp1),
+		toktostr(exp2));
+	error(expectbuf);
+}
+
+/*
+ * error, token encountered was not one of 3 expected ones
+ */
+void
+expected3(tok_kind exp1, tok_kind exp2, tok_kind exp3)
+{
+	s_print(expectbuf, "expected '%s', '%s' or '%s'",
+		toktostr(exp1),
+		toktostr(exp2),
+		toktostr(exp3));
+	error(expectbuf);
+}
+
+void
+tabify(FILE *f, int tab)
+{
+	while (tab--) {
+		(void) fputc('\t', f);
+	}
+}
+
+
+static token tokstrings[] = {
+			{TOK_IDENT, "identifier"},
+			{TOK_CONST, "const"},
+			{TOK_RPAREN, ")"},
+			{TOK_LPAREN, "("},
+			{TOK_RBRACE, "}"},
+			{TOK_LBRACE, "{"},
+			{TOK_LBRACKET, "["},
+			{TOK_RBRACKET, "]"},
+			{TOK_STAR, "*"},
+			{TOK_COMMA, ","},
+			{TOK_EQUAL, "="},
+			{TOK_COLON, ":"},
+			{TOK_SEMICOLON, ";"},
+			{TOK_UNION, "union"},
+			{TOK_STRUCT, "struct"},
+			{TOK_SWITCH, "switch"},
+			{TOK_CASE, "case"},
+			{TOK_DEFAULT, "default"},
+			{TOK_ENUM, "enum"},
+			{TOK_TYPEDEF, "typedef"},
+			{TOK_INT, "int"},
+			{TOK_SHORT, "short"},
+			{TOK_LONG, "long"},
+			{TOK_UNSIGNED, "unsigned"},
+			{TOK_DOUBLE, "double"},
+			{TOK_FLOAT, "float"},
+			{TOK_CHAR, "char"},
+			{TOK_STRING, "string"},
+			{TOK_OPAQUE, "opaque"},
+			{TOK_BOOL, "bool"},
+			{TOK_VOID, "void"},
+			{TOK_PROGRAM, "program"},
+			{TOK_VERSION, "version"},
+			{TOK_EOF, "??????"}
+};
+
+static const char *
+toktostr(tok_kind kind)
+{
+	token *sp;
+
+	for (sp = tokstrings; sp->kind != TOK_EOF && sp->kind != kind; sp++);
+	return (sp->str);
+}
+
+static void
+printbuf(void)
+{
+	char c;
+	int i;
+	int cnt;
+
+#	define TABSIZE 4
+
+	for (i = 0; (c = curline[i]); i++) {
+		if (c == '\t') {
+			cnt = 8 - (i % TABSIZE);
+			c = ' ';
+		} else {
+			cnt = 1;
+		}
+		while (cnt--) {
+			(void) fputc(c, stderr);
+		}
+	}
+}
+
+static void
+printwhere(void)
+{
+	int i;
+	char c;
+	int cnt;
+
+	printbuf();
+	for (i = 0; i < where - curline; i++) {
+		c = curline[i];
+		if (c == '\t') {
+			cnt = 8 - (i % TABSIZE);
+		} else {
+			cnt = 1;
+		}
+		while (cnt--) {
+			(void) fputc('^', stderr);
+		}
+	}
+	(void) fputc('\n', stderr);
+}
+
+char *
+make_argname(const char *pname, const char *vname)
+{
+	char *name;
+
+	name = xmalloc(strlen(pname) + strlen(vname) + strlen(ARGEXT) + 3);
+	sprintf(name, "%s_%s_%s", locase(pname), vname, ARGEXT);
+	return (name);
+}
+
+bas_type *typ_list_h;
+bas_type *typ_list_t;
+
+void
+add_type(int len, const char *type)
+{
+	bas_type *ptr;
+
+	ptr = XALLOC(bas_type);
+
+	ptr->name = type;
+	ptr->length = len;
+	ptr->next = NULL;
+	if (typ_list_t == NULL)
+	{
+
+		typ_list_t = ptr;
+		typ_list_h = ptr;
+	}
+	else
+	{
+		typ_list_t->next = ptr;
+		typ_list_t = ptr;
+	};
+}
+
+
+bas_type *
+find_type(const char *type)
+{
+	bas_type * ptr;
+
+	ptr = typ_list_h;
+	while (ptr != NULL)
+	{
+		if (strcmp(ptr->name, type) == 0)
+			return (ptr);
+		else
+			ptr = ptr->next;
+	};
+	return (NULL);
+}
+
+void *
+xmalloc(size_t size)
+{
+	void *p;
+
+	if ((p = malloc(size)) == NULL) {
+		warnx("malloc failed");
+		crash();
+	}
+	return (p);
+}
+
+void *
+xrealloc(void *ptr, size_t size)
+{
+	void *p;
+
+	if ((p = realloc(ptr, size)) == NULL) {
+		warnx("realloc failed");
+		crash();
+	}
+	return (p);
+}
+
+char *
+xstrdup(const char *str)
+{
+	char *p;
+
+	if ((p = strdup(str)) == NULL) {
+		warnx("strdup failed");
+		crash();
+	}
+	return (p);
+}