From 53d2894ed1be08778b3633fb56e90646ac5c42c2 Mon Sep 17 00:00:00 2001
From: carl <cecodere@yahoo.ca>
Date: Sat, 11 May 2019 01:18:01 +0800
Subject: [PATCH] ANSI C conversion.

---
 util/topgen/symtab.c | 74 ++++++++++++++++++++++++--------------------
 1 file changed, 40 insertions(+), 34 deletions(-)

diff --git a/util/topgen/symtab.c b/util/topgen/symtab.c
index da1af3dfd..0c1d07cb5 100644
--- a/util/topgen/symtab.c
+++ b/util/topgen/symtab.c
@@ -8,7 +8,7 @@
  * Contains the routine findident, which builds the symbol table and
  * searches identifiers
  */
- 
+
 #include <stdlib.h>
 #include <string.h>
 #include "symtab.h"
@@ -17,40 +17,46 @@ struct symtab *idtable, *deftable;
 
 extern void error(char *s, char* s1);
 
-struct symtab *
-findident(s, mode, table) char *s; struct symtab **table; {
-    /*
-     * Look for identifier s in the symboltable referred to by *table.
-     * If mode = LOOKING, no new entry's will be made.
-     * If mode = ENTERING, a new entry will be made if s is not in the
-     * table yet, otherwise an error results
-     */
-    register struct symtab *p;
-    register int n;
-
-    if (!*table) {	/* No entry for this symbol */
-	if (mode == LOOKING) return (struct symtab *) 0;
+struct symtab * findident(char *s, int mode, struct symtab **table)
+{
 	/*
-	 * Make new entry
+	 * Look for identifier s in the symboltable referred to by *table.
+	 * If mode = LOOKING, no new entry's will be made.
+	 * If mode = ENTERING, a new entry will be made if s is not in the
+	 * table yet, otherwise an error results
 	 */
-	p = (struct symtab *) malloc(sizeof *p);
-	p->s_left = p->s_right = (struct symtab *) 0;
-	p->s_name = malloc( (unsigned) (strlen(s) + 1));
-	strcpy(p->s_name,s);
-	*table = p;
-	return p;
-    }
-    else {
-	p = *table;
-	if ((n = strcmp(p->s_name,s)) == 0) {	/* This is it! */
-	    if (mode == ENTERING) {
-		error("Identifier %s redefined",s);
-	    }
-	    return p;
+	register struct symtab *p;
+	register int n;
+
+	if (!*table)
+	{ /* No entry for this symbol */
+		if (mode == LOOKING)
+			return (struct symtab *) 0;
+		/*
+		 * Make new entry
+		 */
+		p = (struct symtab *) malloc(sizeof *p);
+		p->s_left = p->s_right = (struct symtab *) 0;
+		p->s_name = malloc((unsigned) (strlen(s) + 1));
+		strcpy(p->s_name, s);
+		*table = p;
+		return p;
 	}
-	/* Binary tree ..... */
-	if (n < 0) return findident(s,mode,&(p->s_left));
-	return findident(s,mode,&(p->s_right));
-    }				
-    /* NOTREACHED */
+	else
+	{
+		p = *table;
+		if ((n = strcmp(p->s_name, s)) == 0)
+		{ /* This is it! */
+			if (mode == ENTERING)
+			{
+				error("Identifier %s redefined", s);
+			}
+			return p;
+		}
+		/* Binary tree ..... */
+		if (n < 0)
+			return findident(s, mode, &(p->s_left));
+		return findident(s, mode, &(p->s_right));
+	}
+	/* NOTREACHED */
 }