Module Name:    src
Committed By:   sjg
Date:           Sat Aug 10 21:20:03 UTC 2013

Modified Files:
        src/usr.bin/make: parse.c

Log Message:
ParseGetLine: don't treat a zero byte as end of buffer if P_end says it isn't.
Consume up to next newline, and issue a parse warning.
If no newline found before P_end, carry on as before.


To generate a diff of this commit:
cvs rdiff -u -r1.189 -r1.190 src/usr.bin/make/parse.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.bin/make/parse.c
diff -u src/usr.bin/make/parse.c:1.189 src/usr.bin/make/parse.c:1.190
--- src/usr.bin/make/parse.c:1.189	Tue Jun 18 19:31:27 2013
+++ src/usr.bin/make/parse.c	Sat Aug 10 21:20:03 2013
@@ -1,4 +1,4 @@
-/*	$NetBSD: parse.c,v 1.189 2013/06/18 19:31:27 sjg Exp $	*/
+/*	$NetBSD: parse.c,v 1.190 2013/08/10 21:20:03 sjg Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: parse.c,v 1.189 2013/06/18 19:31:27 sjg Exp $";
+static char rcsid[] = "$NetBSD: parse.c,v 1.190 2013/08/10 21:20:03 sjg Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)parse.c	8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: parse.c,v 1.189 2013/06/18 19:31:27 sjg Exp $");
+__RCSID("$NetBSD: parse.c,v 1.190 2013/08/10 21:20:03 sjg Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -2572,6 +2572,16 @@ ParseGetLine(int flags, int *length)
 		if (cf->P_end == NULL)
 		    /* End of string (aka for loop) data */
 		    break;
+		/* see if there is more we can parse */
+		while (ptr++ < cf->P_end) {
+		    if ((ch = *ptr) == '\n') {
+			if (ptr > line && ptr[-1] == '\\')
+			    continue;
+			Parse_Error(PARSE_WARNING,
+			    "Zero byte read from file, skipping rest of line.");
+			break;
+		    }
+		}
 		if (cf->nextbuf != NULL) {
 		    /*
 		     * End of this buffer; return EOF and outer logic

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