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author | Brad King <brad.king@kitware.com> | 2022-01-24 16:41:28 (GMT) |
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committer | Kitware Robot <kwrobot@kitware.com> | 2022-01-24 16:41:40 (GMT) |
commit | e9500bd770496b47b32bb450b06e6f204777338b (patch) | |
tree | a0ce548fe50eee26fe21fa973970396bc3d2c2a6 /Source | |
parent | 7e72a179a92bfbc8e73a96382466a73e5862e7a8 (diff) | |
parent | 0bd6009a0c368e7ddd1b96284b11d1e8f5312f6a (diff) | |
download | CMake-e9500bd770496b47b32bb450b06e6f204777338b.zip CMake-e9500bd770496b47b32bb450b06e6f204777338b.tar.gz CMake-e9500bd770496b47b32bb450b06e6f204777338b.tar.bz2 |
Merge topic 'utf8-decode-empty'
0bd6009a0c cm_utf8: Fail on empty input range
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !6885
Diffstat (limited to 'Source')
-rw-r--r-- | Source/cm_utf8.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Source/cm_utf8.c b/Source/cm_utf8.c index 62e7e8c..b046aef 100644 --- a/Source/cm_utf8.c +++ b/Source/cm_utf8.c @@ -42,6 +42,11 @@ static unsigned int const cm_utf8_min[7] = { const char* cm_utf8_decode_character(const char* first, const char* last, unsigned int* pc) { + /* We need at least one byte. */ + if (first == last) { + return 0; + } + /* Count leading ones in the first byte. */ unsigned char c = (unsigned char)*first++; unsigned char const ones = cm_utf8_ones[c]; |