flash_info: convert to common.h

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

diff --git a/flash_info.c b/flash_info.c
index f8b7efaba326a21f3b5d094351afab2949cd32d1..d4887dae399aefa6d9862a6597f816b97d7a92f8 100644 (file)
--- a/flash_info.c
+++ b/flash_info.c
@@ -12,24 +12,31 @@
 #include <sys/ioctl.h>
 #include <sys/mount.h>
 
+#include "common.h"
 #include <mtd/mtd-user.h>
 
+static void usage(int status)
+{
+       fprintf(status ? stderr : stdout,
+               "Usage: %s <device>\n",
+               PROGRAM_NAME);
+       exit(status);
+}
+
 int main(int argc, char *argv[])
 {
        int regcount;
        int fd;
 
-       if (1 >= argc) {
-               fprintf(stderr, "Usage: %s device\n", PROGRAM_NAME);
-               return 16;
-       }
+       if (argc < 2)
+               usage(1);
+       if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))
+               usage(0);
 
        /* Open and size the device */
        fd = open(argv[1], O_RDONLY);
-       if (fd < 0) {
-               fprintf(stderr, "File open error\n");
-               return 8;
-       }
+       if (fd < 0)
+               sys_errmsg_die("could not open: %s", argv[1]);
 
        if (ioctl(fd, MEMGETREGIONCOUNT, &regcount) == 0) {
                int i;
@@ -42,8 +49,8 @@ int main(int argc, char *argv[])
                                                "has 0x%x blocks\n", i, reginfo.offset,
                                                reginfo.erasesize, reginfo.numblocks);
                        } else {
-                               printf("Strange can not read region %d from a %d region device\n",
-                                               i, regcount);
+                               warnmsg("can not read region %d from a %d region device",
+                                       i, regcount);
                        }
                }
        }