From e05b89b74556c3af9a69626c276750f55ccdd4f8 Mon Sep 17 00:00:00 2001
From: "K. Lange" <klange@toaruos.org>
Date: Wed, 26 Dec 2018 00:11:05 +0900
Subject: [PATCH] ungz: handle bad return from gzip

---
 .gitignore  | 1 +
 Makefile    | 2 +-
 util/ungz.c | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 930f035d..9fa4ca8e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -55,6 +55,7 @@
 # zlib
 /base/usr/include/zconf.h
 /base/usr/include/zlib.h
+/util/ungz
 
 # binutils
 /base/usr/i686-pc-toaru
diff --git a/Makefile b/Makefile
index 82dae3a6..e8e1a93e 100644
--- a/Makefile
+++ b/Makefile
@@ -385,5 +385,5 @@ ext-freetype: base/lib/libtoaru_ext_freetype_fonts.so
 ext-cairo: base/lib/libtoaru_ext_cairo_renderer.so
 
 # Other extra stuff
-fatbase/extra/ungz: util/ungz.c
+util/ungz: util/ungz.c
 	$(CC) -o $@ $< -lz
diff --git a/util/ungz.c b/util/ungz.c
index 409f11fb..cce8327b 100644
--- a/util/ungz.c
+++ b/util/ungz.c
@@ -42,6 +42,7 @@ int main(int argc, char **argv) {
 	while (!gzeof(src)) {
 		char buf[1024];
 		int r = gzread(src, buf, 1024);
+		if (r < 0) return 1;
 		fwrite(buf, r, 1, dest);
 	}