diff options
Diffstat (limited to 'src/string.cpp')
| -rw-r--r-- | src/string.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/string.cpp b/src/string.cpp index 79bf72c2d..414abf944 100644 --- a/src/string.cpp +++ b/src/string.cpp @@ -113,7 +113,7 @@ void str_validate(char *str, const char *last, bool allow_newlines, bool ignore) /* Assume the ABSOLUTE WORST to be in str as it comes from the outside. */ char *dst = str; - while (*str != '\0') { + while (str <= last && *str != '\0') { size_t len = Utf8EncodedCharLen(*str); /* If the character is unknown, i.e. encoded length is 0 * we assume worst case for the length check. @@ -146,6 +146,16 @@ void str_validate(char *str, const char *last, bool allow_newlines, bool ignore) /* Replace the undesirable character with a question mark */ str += len; if (!ignore) *dst++ = '?'; + + /* In case of these two special cases assume that they really + * mean SETX/SETXY and also "eat" the paramater. If this was + * not the case the string was broken to begin with and this + * would not break much more. */ + if (c == SCC_SETX) { + str++; + } else if (c == SCC_SETXY) { + str += 2; + } } } |