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-rw-r--r--libbb/xgetlarg.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/libbb/xgetlarg.c b/libbb/xgetlarg.c
new file mode 100644
index 000000000..598b0b3d6
--- /dev/null
+++ b/libbb/xgetlarg.c
@@ -0,0 +1,28 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * Copyright (C) 2003 Erik Andersen <andersee@debian.org>
4 */
5
6
7#include <stdio.h>
8#include <stdlib.h>
9#include <getopt.h>
10#include <errno.h>
11#include <assert.h>
12
13#include "busybox.h"
14
15extern long bb_xgetlarg(char *arg, int base, long lower, long upper)
16{
17 long result;
18 char *endptr;
19 int errno_save = errno;
20
21 assert(arg!=NULL);
22 errno = 0;
23 result = strtol(arg, &endptr, base);
24 if (errno != 0 || *endptr!='\0' || result < lower || result > upper)
25 show_usage();
26 errno = errno_save;
27 return result;
28}