char *
evhttp_htmlescape(const char *html)
{
size_t i;
size_t new_size = 0, old_size = 0;
char *escaped_html, *p;
if (html == NULL)
return (NULL);
old_size = strlen(html);
for (i = 0; i < old_size; ++i) {
const char *replaced = NULL;
const size_t replace_size = html_replace(html[i], &replaced);
if (replace_size > EV_SIZE_MAX - new_size) {
event_warn("%s: html_replace overflow", __func__);
return (NULL);
}
new_size += replace_size;
}
if (new_size == EV_SIZE_MAX)
return (NULL);
p = escaped_html = mm_malloc(new_size + 1);
if (escaped_html == NULL) {
event_warn("%s: malloc(%lu)", __func__,
(unsigned long)(new_size + 1));
return (NULL);
}
for (i = 0; i < old_size; ++i) {
const char *replaced = &html[i];
const size_t len = html_replace(html[i], &replaced);
memcpy(p, replaced, len);
p += len;
}
*p = '\0';
return (escaped_html);
}
int main()
{
char html[HTML_MAX_LEN];
char now_html[HTML_MAX_LEN];
char abt_display[HTML_MAX_LEN];
memset(html, 0, sizeof(html));
if (-1 == html_data(html))
{
TOWEB("html_data error");
return -1;
}
memset(abt_display, 0, sizeof(abt_display));
about_display(abt_display);
memset(now_html, 0, sizeof(now_html));
html_replace(html, "<strong>", "</strong>", abt_display, now_html);
TOWEB(MIME);
TOWEB(now_html)
return 0;
}
static int scantext_textcvt(unsigned char *buf, int len)
{
static const unsigned char charcvt_tab[256] = {
/*00*/ 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
/*10*/ 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
/*20*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*30*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*40*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*50*/ 0,0,0,0,0,0,0,0,0,0,0,'(',0,')',0,0, /* "[]" -> "()" */
/*60*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*70*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*80*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*90*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*A0*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*B0*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*C0*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*D0*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*E0*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/*F0*/ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,32
};
static const struct {
int in_len;
char *in;
int out_len; /* MUST BE <= in_len */
char *out;
} cvt_tab[] = {
{ 2, " ", 1, " " },
{ 2, "@ ", 1, "@" },
{ 2, " @", 1, "@" },
{ 2, "@@", 1, "@" },
/* { 2, "( ", 1, "(" },
* { 2, " )", 1, ")" },
* { 2, "< ", 1, "<" },
* { 2, " >", 1, ">" },
* { 3, "</ ", 2, "</" },
* { 3, " />", 2, "/>" },
*/
{ 3, "(@)", 1, "@" },
/* { 3, "<@>", 1, "@" },
* { 3, ".@.", 1, "@" },
* { 4, ".at.", 1, "@" },
*/
{ 4, "(at)", 1, "@" },
/* { 4, "_at_", 1, "@" },
* { 4, "@at@", 1, "@" },
* { 4, "\'at\'", 1, "@" },
* { 4, "\"at\"", 1, "@" },
* { 8, "(atsign)", 1, "@" },
* { 9, "(at_sign)", 1, "@" },
* { 9, "(at-sign)", 1, "@" },
* { 9, "(at sign)", 1, "@" },
* { 4, "<", 1, "<" },
* { 4, ">", 1, "<" },
*/
{ 6, " ", 1, " " },
{ 5, " ", 1, " " },
/* { 6, """, 1, "\"" },
* { 5, "&", 1, "&" },
* { 4, "<br>", 1, " " },
* { 5, "<br/>", 1, " " },
* { 8, "<strong>", 1, " " },
* { 9, "</strong>", 1, " " },
*/
{ 0, NULL, 0, NULL }
};
register int i, matches;
register unsigned char *p, c;
for (i=len, p=buf; i>0; i--, p++)
if ((c = charcvt_tab[*p]) != 0) *p = c;
retry_2nd:
for (i=0, matches=0; i<=len; i++) {
register int j, k, l;
for (j=0; (l = cvt_tab[j].in_len) != 0; j++) {
if (l > i) continue;
if (xmemcmpi(cvt_tab[j].in, buf + i - l, l) != 0) continue;
matches++;
i -= l;
memcpy(buf+i, cvt_tab[j].out, cvt_tab[j].out_len);
if (l != cvt_tab[j].out_len) {
//---memcpy(buf+i+cvt_tab[j].out_size, buf+i+l, len-i-l);---
register unsigned char *q;
for (p=(buf+i+cvt_tab[j].out_len), q=(buf+i+l), k=(len-i-l); k>0; k--)
*p++ = *q++;
}
len = len - l + cvt_tab[j].out_len;
}
}
buf[len] = 0;
matches += html_replace(buf);
matches += html_replace2(buf);
if (matches != 0) goto retry_2nd;
return 0;
}
