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Actually, matsp, you were absolutely correct when you pointed me to the 'unsigned'.
It fixed my problem!



unsigned char fixed[] = "\xcd\xf1\x12\xbf";


Thanks

but if I do:



for(i=0;i<1028;i++) {
printf("%02x",newarray[i]);
}


I don't get cdf112bf cdf112bf cdf112bf cdf112bf ... 257 times

I have a set of 4 fixed bytes that i put in an array:



char fixed[] = "\xcd\xf1\x12\xbf";


Then I want to fill another newarray[1028] with the values of the array above.
(ie 257 X fixed[]...

Neither. I'm going to use


memcpy(&myMem[225-strlen(myArray)],myMem,strlen(myArray));


But the problem I encounter is on the memset();
I don't know how to pass an array as second argument....

Hi,



#include <stdio.h>
#include <string.h>

char myArray[] =
"\x31\x32\x31\x32\x31\x32x31\"
"\x32\x32\x43\x54\x65\x78\x6e\x61";