Print program basename instead of whole path in usage()
Signed-off-by: Horst Kronstorfer <hkronsto@frequentis.com>
diff --git a/tools/mkenvimage.c b/tools/mkenvimage.c
index 9c32f4a..3bb471d 100644
--- a/tools/mkenvimage.c
+++ b/tools/mkenvimage.c
@@ -25,6 +25,9 @@
* MA 02111-1307 USA
*/
+/* We want the GNU version of basename() */
+#define _GNU_SOURCE
+
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@@ -79,6 +82,9 @@
struct stat txt_file_stat;
int fp, ep;
+ const char *prg;
+
+ prg = basename(argv[0]);
/* Parse the cmdline */
while ((option = getopt(argc, argv, "s:o:rbp:h")) != -1) {
@@ -104,11 +110,11 @@
padbyte = strtol(optarg, NULL, 0);
break;
case 'h':
- usage(argv[0]);
+ usage(prg);
return EXIT_SUCCESS;
default:
fprintf(stderr, "Wrong option -%c\n", option);
- usage(argv[0]);
+ usage(prg);
return EXIT_FAILURE;
}
}
@@ -118,7 +124,7 @@
fprintf(stderr,
"Please specify the size of the envrionnment "
"partition.\n");
- usage(argv[0]);
+ usage(prg);
return EXIT_FAILURE;
}