diff options
Diffstat (limited to 'libcpp/charset.c')
| -rw-r--r-- | libcpp/charset.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libcpp/charset.c b/libcpp/charset.c index 956d2da..a638a1b 100644 --- a/libcpp/charset.c +++ b/libcpp/charset.c @@ -1970,6 +1970,17 @@ wide_str_to_charconst (cpp_reader *pfile, cpp_string str, size_t off, i; cppchar_t result = 0, c; + if (str.len <= nbwc) + { + /* Error recovery, if no errors have been diagnosed previously, + there should be at least two wide characters. Empty literals + are diagnosed earlier and we can get just the zero terminator + only if there were errors diagnosed during conversion. */ + *pchars_seen = 0; + *unsignedp = 0; + return 0; + } + /* This is finicky because the string is in the target's byte order, which may not be our byte order. Only the last character, ignoring the NUL terminator, is relevant. */ |