120 lines
2.8 KiB
C++
120 lines
2.8 KiB
C++
MODULE = CryptX PACKAGE = Crypt::Checksum::CRC32
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PROTOTYPES: DISABLE
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Crypt::Checksum::CRC32
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new(Class)
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CODE:
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{
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Newz(0, RETVAL, 1, crc32_state);
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if (!RETVAL) croak("FATAL: Newz failed");
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crc32_init(RETVAL); /* returns void */
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}
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OUTPUT:
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RETVAL
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void
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DESTROY(Crypt::Checksum::CRC32 self)
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CODE:
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Safefree(self);
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void
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reset(Crypt::Checksum::CRC32 self)
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PPCODE:
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{
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crc32_init(self); /* returns void */
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XPUSHs(ST(0)); /* return self */
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}
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Crypt::Checksum::CRC32
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clone(Crypt::Checksum::CRC32 self)
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CODE:
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Newz(0, RETVAL, 1, crc32_state);
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if (!RETVAL) croak("FATAL: Newz failed");
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Copy(self, RETVAL, 1, crc32_state);
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OUTPUT:
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RETVAL
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void
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add(Crypt::Checksum::CRC32 self, ...)
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PPCODE:
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{
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STRLEN inlen;
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int i;
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unsigned char *in;
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for(i=1; i<items; i++) {
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in = (unsigned char *)SvPVbyte(ST(i), inlen);
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if (inlen > 0) {
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crc32_update(self, in, (unsigned long)inlen); /* returns void */
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}
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}
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XPUSHs(ST(0)); /* return self */
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}
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SV *
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digest(Crypt::Checksum::CRC32 self)
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ALIAS:
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hexdigest = 1
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intdigest = 2
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CODE:
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{
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int rv;
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unsigned char hash[4], out[8];
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unsigned long outlen = 8;
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unsigned int ui32;
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crc32_finish(self, hash, 4); /* returns void */
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if (ix == 1) {
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rv = _base16_encode(hash, 4, out, &outlen);
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if (rv != CRYPT_OK) croak("FATAL: base16_encode failed: %s", error_to_string(rv));
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RETVAL = newSVpvn((char *)out, outlen);
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}
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else if (ix == 2) {
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LOAD32H(ui32, hash);
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RETVAL = newSVuv(ui32);
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}
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else {
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RETVAL = newSVpvn((char *) hash, 4);
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}
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}
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OUTPUT:
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RETVAL
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SV *
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crc32_data(...)
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ALIAS:
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crc32_data_hex = 1
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crc32_data_int = 2
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CODE:
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{
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crc32_state st;
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int rv, j;
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unsigned char hash[4], out[8], *in;
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unsigned long outlen = 8;
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unsigned int ui32;
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STRLEN inlen;
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crc32_init(&st);
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for(j = 0; j < items; j++) {
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in = (unsigned char *)SvPVbyte(ST(j), inlen);
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if (inlen > 0) {
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crc32_update(&st, in, (unsigned long)inlen); /* returns void */
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}
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}
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crc32_finish(&st, hash, 4); /* returns void */
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if (ix == 1) {
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rv = _base16_encode(hash, 4, out, &outlen);
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if (rv != CRYPT_OK) croak("FATAL: base16_encode failed: %s", error_to_string(rv));
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RETVAL = newSVpvn((char *)out, outlen);
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}
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else if (ix == 2) {
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LOAD32H(ui32, hash);
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RETVAL = newSVuv(ui32);
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}
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else {
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RETVAL = newSVpvn((char *) hash, 4);
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}
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}
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OUTPUT:
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RETVAL
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