blob: 30fff1a737e3808d27273aa275f8a042ca618a60 [file] [log] [blame] [edit]
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
int main(int argc, char *argv[])
{
int rfd, wfd;
unsigned char rch;
char wbuf[10];
int count;
mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
if (argc != 3) {
printf("Error: %s <input file> <output file>\n", argv[0]);
return 0;
}
rfd = open(argv[1], O_RDONLY);
if (rfd < 0) {
printf("Error : Input file(%s) does not exist\n", argv[1]);
return 0;
}
wfd = open(argv[2], O_CREAT|O_WRONLY, mode);
if (wfd < 0) {
printf("Error: Unable to create output file(%s)\n", argv[2]);
close(rfd);
return 0;
}
while(read(rfd, &rch, 1) > 0) {
count = sprintf(wbuf, "0x%02x,", rch);
count = write(wfd, wbuf, count);
}
close(rfd);
close(wfd);
return 0;
}