From 97c26c1924b076ef23ebe4381558e8aa025712b2 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:54:37 +0200 Subject: Adding upstream version 1:4.13+dfsg1. Signed-off-by: Daniel Baumann --- lib/getlong.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 lib/getlong.c (limited to 'lib/getlong.c') diff --git a/lib/getlong.c b/lib/getlong.c new file mode 100644 index 0000000..ec4aa54 --- /dev/null +++ b/lib/getlong.c @@ -0,0 +1,36 @@ +/* + * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +#ident "$Id$" + +#include +#include +#include "prototypes.h" + +/* + * getlong - extract a long integer provided by the numstr string in *result + * + * It supports decimal, hexadecimal or octal representations. + * + * Returns 0 on failure, 1 on success. + */ +int getlong (const char *numstr, /*@out@*/long int *result) +{ + long val; + char *endptr; + + errno = 0; + val = strtol (numstr, &endptr, 0); + if (('\0' == *numstr) || ('\0' != *endptr) || (ERANGE == errno)) { + return 0; + } + + *result = val; + return 1; +} + -- cgit v1.2.3