Commit bf196635 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

Lots of evil casts to stop VC++ choking with "possible loss of data" 

warnings :-(
parent 1c80019a

crypto/asn1/a_utf8.c

+21 −21
Original line number Diff line number Diff line
@@ -178,55 +178,55 @@ int UTF8_putc(unsigned char *str, int len, unsigned long value) 
	if(!str) len = 6;	/* Maximum we will need */

	else if(len <= 0) return -1;

	if(value < 0x80) {

		if(str) *str = value;

		if(str) *str = (unsigned char)value;

		return 1;

	}

	if(value < 0x800) {

		if(len < 2) return -1;

		if(str) {

			*str++ = ((value >> 6) & 0x1f) | 0xc0;

			*str = (value & 0x3f) | 0x80;

			*str++ = (unsigned char)(((value >> 6) & 0x1f) | 0xc0);

			*str = (unsigned char)((value & 0x3f) | 0x80);

		}

		return 2;

	}

	if(value < 0x10000) {

		if(len < 3) return -1;

		if(str) {

			*str++ = ((value >> 12) & 0xf) | 0xe0;

			*str++ = ((value >> 6) & 0x3f) | 0x80;

			*str = (value & 0x3f) | 0x80;

			*str++ = (unsigned char)(((value >> 12) & 0xf) | 0xe0);

			*str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80);

			*str = (unsigned char)((value & 0x3f) | 0x80);

		}

		return 3;

	}

	if(value < 0x200000) {

		if(len < 4) return -1;

		if(str) {

			*str++ = ((value >> 18) & 0x7) | 0xf0;

			*str++ = ((value >> 12) & 0x3f) | 0x80;

			*str++ = ((value >> 6) & 0x3f) | 0x80;

			*str = (value & 0x3f) | 0x80;

			*str++ = (unsigned char)(((value >> 18) & 0x7) | 0xf0);

			*str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80);

			*str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80);

			*str = (unsigned char)((value & 0x3f) | 0x80);

		}

		return 4;

	}

	if(value < 0x4000000) {

		if(len < 5) return -1;

		if(str) {

			*str++ = ((value >> 24) & 0x3) | 0xf8;

			*str++ = ((value >> 18) & 0x3f) | 0x80;

			*str++ = ((value >> 12) & 0x3f) | 0x80;

			*str++ = ((value >> 6) & 0x3f) | 0x80;

			*str = (value & 0x3f) | 0x80;

			*str++ = (unsigned char)(((value >> 24) & 0x3) | 0xf8);

			*str++ = (unsigned char)(((value >> 18) & 0x3f) | 0x80);

			*str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80);

			*str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80);

			*str = (unsigned char)((value & 0x3f) | 0x80);

		}

		return 5;

	}

	if(len < 6) return -1;

	if(str) {

		*str++ = ((value >> 30) & 0x1) | 0xfc;

		*str++ = ((value >> 24) & 0x3f) | 0x80;

		*str++ = ((value >> 18) & 0x3f) | 0x80;

		*str++ = ((value >> 12) & 0x3f) | 0x80;

		*str++ = ((value >> 6) & 0x3f) | 0x80;

		*str = (value & 0x3f) | 0x80;

		*str++ = (unsigned char)(((value >> 30) & 0x1) | 0xfc);

		*str++ = (unsigned char)(((value >> 24) & 0x3f) | 0x80);

		*str++ = (unsigned char)(((value >> 18) & 0x3f) | 0x80);

		*str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80);

		*str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80);

		*str = (unsigned char)((value & 0x3f) | 0x80);

	}

	return 6;

}