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[/] [zet86/] [trunk/] [src/] [tools/] [incr-img.c] - Rev 49
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#include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <stdio.h> #include <string.h> #include <stdlib.h> int main(int argc, char *argv[]) { int f1, f2, c1, c2; char err[50]; unsigned char *buf1, *buf2; if (argc!=3) { sprintf(err, "Usage: %s hdnew.img hdref.img\n", argv[0]); write(2, &err, strlen(err)); exit(1); } f1 = open (argv[1], O_RDONLY); if (f1<0) { sprintf(err, "Could not open file %s\n", argv[1]); write(2, &err, strlen(err)); exit(1); } f2 = open (argv[2], O_RDONLY); if (f2<0) { sprintf(err, "Could not open file %s\n", argv[2]); write(2, &err, strlen(err)); exit(1); } buf1 = malloc(131072); if (!buf1) { sprintf(err, "Could not allocate 128kb of memory for the 1st buffer\n"); write(2, &err, strlen(err)); exit(1); } buf2 = malloc(131072); if (!buf2) { sprintf(err, "Could not allocate 128kb of memory for the 2nd buffer\n"); write(2, &err, strlen(err)); exit(1); } c1=read(f1, &buf1, 131072); // 128kb block c2=read(f2, &buf2, 131072); memcmp (buf1, buf2, 131072); return 0; }