From e5f010797db1815100026bd836c9d1410cd59cb6 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Fri, 5 Aug 2016 20:41:35 -0300
Subject: [PATCH] eeshow/sch-parse.c (parse_line): no longer use return code 0
 for EOF

We'll soon use it to indicate a parsing problem.
---
 eeshow/sch-parse.c | 8 ++++++--
 eeshow/sch.h       | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/eeshow/sch-parse.c b/eeshow/sch-parse.c
index 45e298e..eb3955f 100644
--- a/eeshow/sch-parse.c
+++ b/eeshow/sch-parse.c
@@ -438,8 +438,10 @@ static bool parse_line(const struct file *file, void *user, const char *line)
 
 		/* EndSCHEMATC */
 
-		if (sscanf(line, "$EndSCHEMATC%n", &n) == 0 && n)
-			return 0;
+		if (sscanf(line, "$EndSCHEMATC%n", &n) == 0 && n) {
+			ctx->state = sch_eof;
+			return 1;
+		}
 		break;
 	case sch_descr:
 		if (sscanf(line, "Title \"%m[^\"]\"", &s) == 1) {
@@ -530,6 +532,8 @@ static bool parse_line(const struct file *file, void *user, const char *line)
 		submit_obj(ctx, sch_obj_wire);
 		ctx->state = sch_basic;
 		return 1;
+	case sch_eof:
+		return 1;
 	default:
 		abort();
 	}
diff --git a/eeshow/sch.h b/eeshow/sch.h
index ddfc323..61106e4 100644
--- a/eeshow/sch.h
+++ b/eeshow/sch.h
@@ -29,6 +29,7 @@ enum sch_state {
 	sch_sheet,	/* sub-sheet */
 	sch_text,	/* text or label */
 	sch_wire,	/* wire */
+	sch_eof,	/* skipping anything after $EndSCHEMATC */
 };
 
 struct sheet;