New patch 190_Strchop.patch to fix potentially segfault

1 files changed, 16 insertions, 0 deletions

diff --git a/debian/patches/190_Strchop.patch b/debian/patches/190_Strchop.patch
new file mode 100644
index 0000000..e27861f
--- /dev/null
+++ b/debian/patches/190_Strchop.patch
@@ -0,0 +1,16 @@
+Subject: Check length for Strchop()
+From: Tatsuya Kinoshita <tats@debian.org>
+
+--- a/Str.c
++++ b/Str.c
+@@ -278,8 +278,8 @@ void
+ Strchop(Str s)
+ {
+     STR_LENGTH_CHECK(s);
+-    while ((s->ptr[s->length - 1] == '\n' || s->ptr[s->length - 1] == '\r') &&
+-	   s->length > 0) {
++    while (s->length > 0 &&
++	   (s->ptr[s->length - 1] == '\n' || s->ptr[s->length - 1] == '\r')) {
+ 	s->length--;
+     }
+     s->ptr[s->length] = '\0';