summaryrefslogtreecommitdiff
path: root/gnu/gcc
diff options
context:
space:
mode:
authorMatthias Kilian <kili@cvs.openbsd.org>2010-06-06 12:04:16 +0000
committerMatthias Kilian <kili@cvs.openbsd.org>2010-06-06 12:04:16 +0000
commit1684fcb3277894f3ee263f8b32f9b47705f84159 (patch)
tree71841863801a8b11e8109ae71e459d1f051dc9a7 /gnu/gcc
parent0beee32b0f8cd42bc45e53a4d44e618fa76e92b4 (diff)
Yet another underflow. Found while hunting down the ICEs that happen
from time to time when building the www/larbin port. This is an independent bugfix, and it's different from 4.5.0. ok espie@
Diffstat (limited to 'gnu/gcc')
-rw-r--r--gnu/gcc/libcpp/charset.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gnu/gcc/libcpp/charset.c b/gnu/gcc/libcpp/charset.c
index 78c89816735..6361f8c5132 100644
--- a/gnu/gcc/libcpp/charset.c
+++ b/gnu/gcc/libcpp/charset.c
@@ -1628,7 +1628,7 @@ _cpp_convert_input (cpp_reader *pfile, const char *input_charset,
terminate with another \r, not an \n, so that we do not mistake
the \r\n sequence for a single DOS line ending and erroneously
issue the "No newline at end of file" diagnostic. */
- if (to.text[to.len - 1] == '\r')
+ if (to.len > 0 && to.text[to.len - 1] == '\r')
to.text[to.len] = '\r';
else
to.text[to.len] = '\n';