On Mon, Mar 27, 2017 at 11:40:49PM +0200, David Sommerseth wrote: > On 25/03/17 14:17, Gert Doering wrote: >> Hi, >> >> On Sat, Mar 25, 2017 at 05:21:18PM +0500, Ilya Shipitsin wrote: >>> [src/openvpn/options.c:1163]: (warning) %x in format string (no. 1) >>> requires 'unsigned int *' but the argument type is 'signed int *'. >> >> Please use "uint8_t" then, and also adapt the "ret[i] = (uint8_t)byte" >> line - the cast would then be obsolete. > > I would normally agree to use uint8_t ... but the man page for sscanf() > on Linux says: > > "Matches an unsigned hexadecimal integer; the next pointer must be a > pointer to unsigned int." > > And stdint.h declares: typedef unsigned char uint8_t; > > AFAIR, char is defined as 8 bits (hence uint*8*), while unsigned int are > 32 bits on my system.
man inttypes.h yields the necessary constant for uint8_t : SCNu8 Regards Simon -- + privacy is necessary + using gnupg http://gnupg.org + public key id: 0x92FEFDB7E44C32F9
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