This patch makes the crcit utility more readable
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
fprintf(stderr, "File too large\n");
return EXIT_FAILURE;
}
fprintf(stderr, "File too large\n");
return EXIT_FAILURE;
}
- size = (size + 3) & ~3; /* round up to 4 bytes */
- data[0] = size + 4; /* add size of version field */
+ size = (size + 3) & ~3; /* round up to 4 bytes */
+ size += 4; /* add size of version field */
+ data[0] = size;
- data[2 + (size >> 2)] = crc32(0, (unsigned char *)(data + 1), data[0]);
+ data[size/4 + 1] = crc32(0, (unsigned char *)(data + 1), size);
- if (write(STDOUT_FILENO, data, size + 3*4) == -1) {
+ if (write(STDOUT_FILENO, data, size + 4 /*size*/ + 4 /*crc*/) == -1) {
perror("Error writing file");
return EXIT_FAILURE;
}
perror("Error writing file");
return EXIT_FAILURE;
}