--- ray/src/common/fgetline.c	1989/10/04 15:48:15	1.1
+++ ray/src/common/fgetline.c	2014/07/09 22:46:51	2.8
@@ -1,37 +1,43 @@
-/* Copyright (c) 1989 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: fgetline.c,v 2.8 2014/07/09 22:46:51 greg Exp $";
 #endif
-
 /*
- * fgetline.c - read line with escaped newlines
+ * fgetline.c - read line with escaped newlines.
  *
- *	10/4/89
+ *  External symbols declared in rtio.h
  */
 
-#include  <stdio.h>
+#include "copyright.h"
 
+#include  "rtio.h"
 
+#ifdef getc_unlocked		/* avoid horrendous overhead of flockfile */
+#undef getc
+#define getc    getc_unlocked
+#endif
+
+
 char *
-fgetline(s, n, fp)	/* read in line with escapes, elide final newline */
-char  *s;
-register int  n;
-FILE  *fp;
+fgetline(		/* read in line with escapes, elide final newline */
+	char  *s,
+	int  n,
+	FILE  *fp
+)
 {
-	register char  *cp;
-	register int  c;
+	char  *cp = s;
+	int  c = EOF;
 
-	cp = s;
-	while (--n > 0 && (c = getc(fp)) != EOF && c != '\n') {
-		if (c == '\\') {
-			if ((c = getc(fp)) == EOF)
-				break;
+	while (--n > 0 && (c = getc(fp)) != EOF) {
+		if (c == '\r' && (c = getc(fp)) != '\n') {
+			ungetc(c, fp);		/* must be Apple file */
+			c = '\n';
 		}
+		if (c == '\n' && (cp == s || cp[-1] != '\\'))
+			break;
 		*cp++ = c;
 	}
-	if (cp == s)
+	if ((cp == s) & (c == EOF))
 		return(NULL);
-	*cp++ = '\0';
+	*cp = '\0';
 	return(s);
 }