libowfat/scan/scan_fromhex.c

13 lines
213 B
C

#include "scan.h"
int scan_fromhex(unsigned char c) {
if (c>='0' && c<='9')
return c-'0';
else if (c>='A' && c<='F')
return c-'A'+10;
else if (c>='a' && c<='f')
return c-'a'+10;
return -1;
}