Problem - Kevin Tafuro

if (!isalnum(*input)) return 0;
break;
}
}
return (*input && !quoted_string);
}
static int spc_allow_tag(const char *input) {
int i;
char *tmp;
if (*input == ’a’)
return spc_is_valid_link(input + 1);
if (*input == ’/’) {
input++;
SKIP_WHITESPACE(input);
}
for (i = 0; i < sizeof(allowed_formatters); i++) {
if (strncasecmp(allowed_formatters[i], input, strlen(allowed_formatters[i])))
continue;
else {
tmp = input + strlen(allowed_formatters[i]);
SKIP_WHITESPACE(tmp);
if (*input == ’>’) return 1;
}
}
return 0;
}
/* Note: This interface expects a C-style NULL-terminated string. */
char *spc_escape_html(const char *input) {
char *output, *ptr;
size_t outputlen = 0;
const char *c;
/* This is a worst-case length calculation */
for (c = input; *c; c++) {
switch (*c) {
case ’’: outputlen += 4; break; /* &gt; */
case ’&’: outputlen += 5; break; /* &amp; */
case ’\’: outputlen += 6; break; /* &quot; */
default: outputlen += 1; break;
}
}
if (!(output = ptr = (char *)malloc(outputlen + 1))) return 0;
for (c = input; *c; c++) {
switch (*c) {
case ’