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-rw-r--r--tools/mkenvimage.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/tools/mkenvimage.c b/tools/mkenvimage.c
index 753d9e6ddf..c5ed373b99 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>
@@ -81,6 +84,9 @@ int main(int argc, char **argv)
struct stat txt_file_stat;
int fp, ep;
+ const char *prg;
+
+ prg = basename(argv[0]);
/* Turn off getopt()'s internal error message */
opterr = 0;
@@ -109,19 +115,19 @@ int main(int argc, char **argv)
padbyte = strtol(optarg, NULL, 0);
break;
case 'h':
- usage(argv[0]);
+ usage(prg);
return EXIT_SUCCESS;
case 'V':
printf("%s version %s\n", prg, PLAIN_VERSION);
return EXIT_SUCCESS;
case ':':
fprintf(stderr, "Missing argument for option -%c\n",
- optopt);
+ option);
usage(argv[0]);
return EXIT_FAILURE;
default:
- fprintf(stderr, "Wrong option -%c\n", optopt);
- usage(argv[0]);
+ fprintf(stderr, "Wrong option -%c\n", option);
+ usage(prg);
return EXIT_FAILURE;
}
}
@@ -131,7 +137,7 @@ int main(int argc, char **argv)
fprintf(stderr,
"Please specify the size of the environment "
"partition.\n");
- usage(argv[0]);
+ usage(prg);
return EXIT_FAILURE;
}