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Fix crash with String copy from with NULL string parameter

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This commit is contained in:
geequlim 2017-06-25 21:57:06 +08:00
parent e5d890c23a
commit 4b2a44054a
1 changed files with 12 additions and 0 deletions
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12
core/ustring.cpp
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@ -96,6 +96,12 @@ const char *CharString::get_data() const {
void String::copy_from(const char *p_cstr) { void String::copy_from(const char *p_cstr) {
if (!p_cstr) {
resize(0);
return;
}
int len = 0; int len = 0;
const char *ptr = p_cstr; const char *ptr = p_cstr;
while (*(ptr++) != 0) while (*(ptr++) != 0)
@ -119,6 +125,12 @@ void String::copy_from(const char *p_cstr) {
void String::copy_from(const CharType *p_cstr, int p_clip_to) { void String::copy_from(const CharType *p_cstr, int p_clip_to) {
if (!p_cstr) {
resize(0);
return;
}
int len = 0; int len = 0;
const CharType *ptr = p_cstr; const CharType *ptr = p_cstr;
while (*(ptr++) != 0) while (*(ptr++) != 0)