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| author | pfg <pfg@FreeBSD.org> | 2013-11-28 16:36:03 +0000 |
|---|---|---|
| committer | pfg <pfg@FreeBSD.org> | 2013-11-28 16:36:03 +0000 |
| commit | c43b08723006b3696bfacd88c5837816a07ee9b5 (patch) | |
| tree | a31545ed205eafbfbb61ae2622ce8fa150ae1f68 /contrib/gcclibs | |
| parent | 031fdfe55b95e0bcae95f6e991b74eac2d2d3104 (diff) | |
| download | FreeBSD-src-c43b08723006b3696bfacd88c5837816a07ee9b5.zip FreeBSD-src-c43b08723006b3696bfacd88c5837816a07ee9b5.tar.gz | |
libcpp: fix an underflow.
Obtained from: OpenBSD (Rev 1.2)
MFC after: 2 weeks
Diffstat (limited to 'contrib/gcclibs')
| -rw-r--r-- | contrib/gcclibs/libcpp/charset.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/gcclibs/libcpp/charset.c b/contrib/gcclibs/libcpp/charset.c index 78c8981..6361f8c 100644 --- a/contrib/gcclibs/libcpp/charset.c +++ b/contrib/gcclibs/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'; |
