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add_html_to_string: If out of memory, roll back and return NULL.

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This commit is contained in:
Kalle Olavi Niemitalo 2007-03-18 11:13:38 +02:00 committed by Kalle Olavi Niemitalo
parent 36dd1fa267
commit 28645973e5
1 changed files with 11 additions and 4 deletions
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15
src/util/conv.c
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@ -278,11 +278,18 @@ add_html_to_string(struct string *string, const unsigned char *src, int len)
if (*src < 0x20 || *src >= 0x7F
|| *src == '<' || *src == '>' || *src == '&'
|| *src == '\"' || *src == '\'') {
add_bytes_to_string(string, "&#", 2);
add_long_to_string(string, (long) *src);
add_char_to_string(string, ';');
int rollback_length = string->length;
if (!add_bytes_to_string(string, "&#", 2)
|| !add_long_to_string(string, (long) *src)
|| !add_char_to_string(string, ';')) {
string->length = rollback_length;
return NULL;
}
} else {
add_char_to_string(string, *src);
if (!add_char_to_string(string, *src))
return NULL;
}
}