// Functions escape_urlencoded & pescape_urlencoded were copied from APR v1.6
// http://svn.apache.org/repos/asf/apr/apr/branches/1.6.x/include/apr_escape.h
static int escape_urlencoded(char *escaped, const char *str, apr_size_t *len) {
apr_size_t size = 1;
int found = 0;
const unsigned char *s = (const unsigned char *) str;
unsigned char *d = (unsigned char *) escaped;
unsigned c;
if (s) {
if (d) {
while ((c = *s)) {
if (TEST_CHAR(c, T_ESCAPE_URLENCODED)) {
d = c2x(c, '%', d);
size += 2;
found = 1;
}
else if (c == ' ') {
*d++ = '+';
found = 1;
}
else {
*d++ = c;
}
++s;
size++;
}
*d = '\0';
}
else {
while ((c = *s)) {
if (TEST_CHAR(c, T_ESCAPE_URLENCODED)) {
size += 2;
found = 1;
}
else if (c == ' ') {
found = 1;
}
++s;
size++;
}
}
}
if (len) {
*len = size;
}
if (!found) {
return 1;
}
return 0;
}
AP_DECLARE(char *) ap_escape_urlencoded_buffer(char *copy, const char *buffer) {
const unsigned char *s = (const unsigned char *) buffer;
unsigned char *d = (unsigned char *) copy;
unsigned c;
while ((c = *s)) {
if (TEST_CHAR(c, T_ESCAPE_URLENCODED)) {
d = c2x(c, '%', d);
} else if (c == ' ') {
*d++ = '+';
} else {
*d++ = c;
}
++s;
}
*d = '\0';
return copy;
}
