diff options
Diffstat (limited to 'mtd_debug.c')
| -rw-r--r-- | mtd_debug.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/mtd_debug.c b/mtd_debug.c index 928cb5a..b82dabe 100644 --- a/mtd_debug.c +++ b/mtd_debug.c @@ -27,6 +27,8 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +#define PROGRAM_NAME "mtd_debug" + #include <stdio.h> #include <stdlib.h> #include <errno.h> @@ -347,17 +349,14 @@ int showinfo (int fd) return (0); } -void showusage (const char *progname) +void showusage(void) { fprintf (stderr, - "usage: %s info <device>\n" - " %s read <device> <offset> <len> <dest-filename>\n" - " %s write <device> <offset> <len> <source-filename>\n" - " %s erase <device> <offset> <len>\n", - progname, - progname, - progname, - progname); + "usage: %1$s info <device>\n" + " %1$s read <device> <offset> <len> <dest-filename>\n" + " %1$s write <device> <offset> <len> <source-filename>\n" + " %1$s erase <device> <offset> <len>\n", + PROGRAM_NAME); exit (1); } @@ -368,10 +367,8 @@ void showusage (const char *progname) int main (int argc,char *argv[]) { - const char *progname; int err = 0,fd,option = OPT_INFO; int open_flag; - (progname = strrchr (argv[0],'/')) ? progname++ : (progname = argv[0]); /* parse command-line options */ if (argc == 3 && !strcmp (argv[1],"info")) @@ -383,7 +380,7 @@ int main (int argc,char *argv[]) else if (argc == 5 && !strcmp (argv[1],"erase")) option = OPT_ERASE; else - showusage (progname); + showusage(); /* open device */ open_flag = (option==OPT_INFO || option==OPT_READ) ? O_RDONLY : O_RDWR; |