From cd494f74b780729817f7e3e3dd25138e3835eb54 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 6 Jun 2011 00:09:12 -0400 Subject: flash_{lock,unlock}: merge into one util Now that the utils have equivalent functionality, merge the two source code bases so they can't diverge in the future. Signed-off-by: Mike Frysinger Signed-off-by: Artem Bityutskiy --- flash_lock.c | 81 +++--------------------------------------------------------- 1 file changed, 3 insertions(+), 78 deletions(-) (limited to 'flash_lock.c') diff --git a/flash_lock.c b/flash_lock.c index 164eaa4..33f76c7 100644 --- a/flash_lock.c +++ b/flash_lock.c @@ -1,83 +1,8 @@ /* - * FILE flash_lock.c - * - * This utility locks one or more sectors of flash device. + * flash_{lock,unlock} * + * utilities for locking/unlocking sectors of flash devices */ #define PROGRAM_NAME "flash_lock" - -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -int main(int argc, char *argv[]) -{ - int fd; - struct mtd_info_user mtdInfo; - struct erase_info_user mtdLockInfo; - int count; - - /* - * Parse command line options - */ - if (argc < 2) { - fprintf(stderr, "USAGE: %s \n", PROGRAM_NAME); - exit(1); - } else if (strncmp(argv[1], "/dev/mtd", 8) != 0) { - fprintf(stderr, "'%s' is not a MTD device. Must specify mtd device: /dev/mtd?\n", argv[1]); - exit(1); - } - - fd = open(argv[1], O_RDWR); - if (fd < 0) { - fprintf(stderr, "Could not open mtd device: %s\n", argv[1]); - exit(1); - } - - if (ioctl(fd, MEMGETINFO, &mtdInfo)) { - fprintf(stderr, "Could not get MTD device info from %s\n", argv[1]); - close(fd); - exit(1); - } - - if (argc > 2) - mtdLockInfo.start = strtol(argv[2], NULL, 0); - else - mtdLockInfo.start = 0; - if (mtdLockInfo.start > mtdInfo.size) { - fprintf(stderr, "%#x is beyond device size %#x\n", - mtdLockInfo.start, mtdInfo.size); - close(fd); - exit(1); - } - - if (argc > 3) { - count = strtol(argv[3], NULL, 0); - if (count == -1) - mtdLockInfo.length = mtdInfo.size - mtdInfo.erasesize; - else - mtdLockInfo.length = mtdInfo.erasesize * count; - } else { - mtdLockInfo.length = mtdInfo.size - mtdInfo.erasesize; - } - if (mtdLockInfo.start + mtdLockInfo.length > mtdInfo.size) { - fprintf(stderr, "lock range is more than device supports\n"); - exit(1); - } - - if (ioctl(fd, MEMLOCK, &mtdLockInfo)) { - fprintf(stderr, "Could not lock MTD device: %s\n", argv[1]); - close(fd); - exit(1); - } - - return 0; -} +#include "flash_unlock.c" -- cgit v1.2.3