int
_gnutls_buffer_escape (gnutls_buffer_st * dest, int all,
const char *const invalid_chars)
{
int rv = -1;
char t[5];
int pos = 0;
while (pos < dest->length)
{
if (all != 0 || (dest->data[pos] == '\\' || strchr (invalid_chars, dest->data[pos])
|| !c_isgraph (dest->data[pos])))
{
snprintf (t, sizeof (t), "%%%.2X", (unsigned int) dest->data[pos]);
_gnutls_buffer_delete_data (dest, pos, 1);
if (_gnutls_buffer_insert_data (dest, pos, t, 3) < 0)
{
rv = -1;
goto cleanup;
}
pos+=3;
}
else
pos++;
}
rv = 0;
cleanup:
return rv;
}
static void
test_all (void)
{
int c;
for (c = -0x80; c < 0x100; c++)
{
ASSERT (c_isascii (c) == (c >= 0 && c < 0x80));
switch (c)
{
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
case 'Y': case 'Z':
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
case 's': case 't': case 'u': case 'v': case 'w': case 'x':
case 'y': case 'z':
case '0': case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9':
ASSERT (c_isalnum (c) == 1);
break;
default:
ASSERT (c_isalnum (c) == 0);
break;
}
switch (c)
{
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
case 'Y': case 'Z':
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
case 's': case 't': case 'u': case 'v': case 'w': case 'x':
case 'y': case 'z':
ASSERT (c_isalpha (c) == 1);
break;
default:
ASSERT (c_isalpha (c) == 0);
break;
}
switch (c)
{
case '\t': case ' ':
ASSERT (c_isblank (c) == 1);
break;
default:
ASSERT (c_isblank (c) == 0);
break;
}
ASSERT (c_iscntrl (c) == ((c >= 0 && c < 0x20) || c == 0x7f));
switch (c)
{
case '0': case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9':
ASSERT (c_isdigit (c) == 1);
break;
default:
ASSERT (c_isdigit (c) == 0);
break;
}
switch (c)
{
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
case 's': case 't': case 'u': case 'v': case 'w': case 'x':
case 'y': case 'z':
ASSERT (c_islower (c) == 1);
break;
default:
ASSERT (c_islower (c) == 0);
break;
}
ASSERT (c_isgraph (c) == ((c >= 0x20 && c < 0x7f) && c != ' '));
ASSERT (c_isprint (c) == (c >= 0x20 && c < 0x7f));
ASSERT (c_ispunct (c) == (c_isgraph (c) && !c_isalnum (c)));
switch (c)
{
case ' ': case '\t': case '\n': case '\v': case '\f': case '\r':
ASSERT (c_isspace (c) == 1);
break;
default:
ASSERT (c_isspace (c) == 0);
break;
}
switch (c)
{
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
case 'Y': case 'Z':
ASSERT (c_isupper (c) == 1);
break;
default:
ASSERT (c_isupper (c) == 0);
break;
}
switch (c)
{
case '0': case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9':
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
ASSERT (c_isxdigit (c) == 1);
break;
default:
ASSERT (c_isxdigit (c) == 0);
break;
}
switch (c)
{
case 'A':
ASSERT (c_tolower (c) == 'a');
ASSERT (c_toupper (c) == c);
break;
case 'B':
ASSERT (c_tolower (c) == 'b');
ASSERT (c_toupper (c) == c);
break;
case 'C':
ASSERT (c_tolower (c) == 'c');
ASSERT (c_toupper (c) == c);
break;
case 'D':
ASSERT (c_tolower (c) == 'd');
ASSERT (c_toupper (c) == c);
break;
case 'E':
ASSERT (c_tolower (c) == 'e');
ASSERT (c_toupper (c) == c);
break;
case 'F':
ASSERT (c_tolower (c) == 'f');
ASSERT (c_toupper (c) == c);
break;
case 'G':
ASSERT (c_tolower (c) == 'g');
ASSERT (c_toupper (c) == c);
break;
case 'H':
ASSERT (c_tolower (c) == 'h');
ASSERT (c_toupper (c) == c);
break;
case 'I':
ASSERT (c_tolower (c) == 'i');
ASSERT (c_toupper (c) == c);
break;
case 'J':
ASSERT (c_tolower (c) == 'j');
ASSERT (c_toupper (c) == c);
break;
case 'K':
ASSERT (c_tolower (c) == 'k');
ASSERT (c_toupper (c) == c);
break;
case 'L':
ASSERT (c_tolower (c) == 'l');
ASSERT (c_toupper (c) == c);
break;
case 'M':
ASSERT (c_tolower (c) == 'm');
ASSERT (c_toupper (c) == c);
break;
case 'N':
ASSERT (c_tolower (c) == 'n');
ASSERT (c_toupper (c) == c);
break;
case 'O':
ASSERT (c_tolower (c) == 'o');
ASSERT (c_toupper (c) == c);
break;
case 'P':
ASSERT (c_tolower (c) == 'p');
ASSERT (c_toupper (c) == c);
break;
case 'Q':
ASSERT (c_tolower (c) == 'q');
ASSERT (c_toupper (c) == c);
break;
case 'R':
ASSERT (c_tolower (c) == 'r');
ASSERT (c_toupper (c) == c);
break;
case 'S':
ASSERT (c_tolower (c) == 's');
ASSERT (c_toupper (c) == c);
break;
case 'T':
ASSERT (c_tolower (c) == 't');
ASSERT (c_toupper (c) == c);
break;
case 'U':
ASSERT (c_tolower (c) == 'u');
ASSERT (c_toupper (c) == c);
break;
case 'V':
ASSERT (c_tolower (c) == 'v');
ASSERT (c_toupper (c) == c);
break;
case 'W':
ASSERT (c_tolower (c) == 'w');
ASSERT (c_toupper (c) == c);
break;
case 'X':
ASSERT (c_tolower (c) == 'x');
ASSERT (c_toupper (c) == c);
break;
case 'Y':
ASSERT (c_tolower (c) == 'y');
ASSERT (c_toupper (c) == c);
break;
case 'Z':
ASSERT (c_tolower (c) == 'z');
ASSERT (c_toupper (c) == c);
break;
case 'a':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'A');
break;
case 'b':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'B');
break;
case 'c':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'C');
break;
case 'd':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'D');
break;
case 'e':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'E');
break;
case 'f':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'F');
break;
case 'g':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'G');
break;
case 'h':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'H');
break;
case 'i':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'I');
break;
case 'j':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'J');
break;
case 'k':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'K');
break;
case 'l':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'L');
break;
case 'm':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'M');
break;
case 'n':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'N');
break;
case 'o':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'O');
break;
case 'p':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'P');
break;
case 'q':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'Q');
break;
case 'r':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'R');
break;
case 's':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'S');
break;
case 't':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'T');
break;
case 'u':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'U');
break;
case 'v':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'V');
break;
case 'w':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'W');
break;
case 'x':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'X');
break;
case 'y':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'Y');
break;
case 'z':
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == 'Z');
break;
default:
ASSERT (c_tolower (c) == c);
ASSERT (c_toupper (c) == c);
break;
}
}
}
