1 files changed, 58 insertions, 0 deletions
diff --git a/lib/atoi/str2i.h b/lib/atoi/str2i.h
new file mode 100644
index 00000000..6bf79fc4
--- /dev/null
+++ b/lib/atoi/str2i.h
@@ -0,0 +1,58 @@
+// SPDX-FileCopyrightText: 2007-2009, Nicolas François
+// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#ifndef SHADOW_INCLUDE_LIB_ATOI_STR2I_H_
+#define SHADOW_INCLUDE_LIB_ATOI_STR2I_H_
+
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <errno.h>
+
+#include "atoi/str2i.h"
+#include "atoi/strtou_noneg.h"
+#include "attr.h"
+
+
+ATTR_ACCESS(write_only, 2)
+inline int getlong(const char *restrict s, long *restrict n);
+ATTR_ACCESS(write_only, 2)
+inline int getulong(const char *restrict s, unsigned long *restrict n);
+
+
+inline int
+getlong(const char *restrict s, long *restrict n)
+{
+	char  *endp;
+	long  val;
+
+	errno = 0;
+	val = strtol(s, &endp, 0);
+	if (('\0' == *s) || ('\0' != *endp) || (0 != errno))
+		return -1;
+
+	*n = val;
+	return 0;
+}
+
+
+inline int
+getulong(const char *restrict s, unsigned long *restrict n)
+{
+	char           *endp;
+	unsigned long  val;
+
+	errno = 0;
+	val = strtoul_noneg(s, &endp, 0);
+	if (('\0' == *s) || ('\0' != *endp) || (0 != errno))
+		return -1;
+
+	*n = val;
+	return 0;
+}
+
+
+#endif  // include guard