*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/* BB_AUDIT SUSv3 compliant */
#include "libbb.h"
+/* This is a NOEXEC applet. Be very careful! */
+
static const char head_opts[] ALIGN1 =
"n:"
#if ENABLE_FEATURE_FANCY_HEAD
#endif
;
-#if ENABLE_FEATURE_FANCY_HEAD
static const struct suffix_mult head_suffixes[] = {
{ "b", 512 },
{ "k", 1024 },
{ "m", 1024*1024 },
- { }
+ { "", 0 }
};
-#endif
-static const char header_fmt_str[] ALIGN1 = "\n==> %s <==\n";
+#define header_fmt_str "\n==> %s <==\n"
int head_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int head_main(int argc, char **argv)
int count_bytes = 0;
int header_threshhold = 1;
#endif
-
FILE *fp;
const char *fmt;
char *p;
#if ENABLE_INCLUDE_SUSv2 || ENABLE_FEATURE_FANCY_HEAD
/* Allow legacy syntax of an initial numeric option without -n. */
- if (argc > 1 && argv[1][0] == '-'
+ if (argv[1] && argv[1][0] == '-'
&& isdigit(argv[1][1])
) {
--argc;
#if ENABLE_INCLUDE_SUSv2 || ENABLE_FEATURE_FANCY_HEAD
GET_COUNT:
#endif
-
-#if !ENABLE_FEATURE_FANCY_HEAD
- count = xatoul(p);
-#else
count = xatoul_sfx(p, head_suffixes);
-#endif
break;
default:
bb_show_usage();
putchar(c);
}
if (fclose_if_not_stdin(fp)) {
- bb_simple_perror_msg(*argv); /* Avoid multibyte problems. */
+ bb_simple_perror_msg(*argv);
retval = EXIT_FAILURE;
}
die_if_ferror_stdout();
+ } else {
+ retval = EXIT_FAILURE;
}
fmt = header_fmt_str;
} while (*++argv);