diff options
| -rw-r--r-- | Utilities/cmlibuv/src/idna.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Utilities/cmlibuv/src/idna.c b/Utilities/cmlibuv/src/idna.c index 93d982c..858b19d 100644 --- a/Utilities/cmlibuv/src/idna.c +++ b/Utilities/cmlibuv/src/idna.c @@ -274,6 +274,9 @@ long uv__idna_toascii(const char* s, const char* se, char* d, char* de) { char* ds; int rc; + if (s == se) + return UV_EINVAL; + ds = d; si = s; @@ -308,8 +311,9 @@ long uv__idna_toascii(const char* s, const char* se, char* d, char* de) { return rc; } - if (d < de) - *d++ = '\0'; + if (d >= de) + return UV_EINVAL; + *d++ = '\0'; return d - ds; /* Number of bytes written. */ } |