diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2009-03-24 19:42:36 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2009-03-24 19:42:36 +0300 |
| commit | ba8f298cbca66df6f0df6573ec7756247173df16 (patch) | |
| tree | d67ec1550c020689896dc7604fc8d025058dfe86 /winsup/cygwin/strfuncs.cc | |
| parent | dd15241df7df43a0b0a7391215d75171d88ddbfa (diff) | |
* strfuncs.cc (sys_cp_mbstowcs): Don't read beyond src + nms.
Diffstat (limited to 'winsup/cygwin/strfuncs.cc')
| -rw-r--r-- | winsup/cygwin/strfuncs.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/winsup/cygwin/strfuncs.cc b/winsup/cygwin/strfuncs.cc index 5a9dd7d14..9386d7885 100644 --- a/winsup/cygwin/strfuncs.cc +++ b/winsup/cygwin/strfuncs.cc @@ -423,12 +423,13 @@ sys_cp_mbstowcs (UINT cp, PWCHAR dst, size_t dlen, const char *src, size_t nms) memset (&ps, 0, sizeof ps); if (dst == NULL) len = (size_t)-1; - while (len > 0) + while (len > 0 && nms > 0) { /* ASCII SO. Convert following UTF-8 sequence (if not UTF-8 anyway). */ if (*pmbs == 0x0e && *charset != 'U'/*TF-8*/) { pmbs++; + --nms; bytes = __utf8_mbtowc (_REENT, ptr, pmbs, nms, charset, &ps); if (bytes < 0) { |