From dd6f570fa3978bdc056ffae4c2ac509250f97177 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sat, 7 Jun 2008 15:11:08 +0000 Subject: add libbb/print_flags.c... --- libbb/print_flags.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 libbb/print_flags.c (limited to 'libbb/print_flags.c') diff --git a/libbb/print_flags.c b/libbb/print_flags.c new file mode 100644 index 000000000..413f51653 --- /dev/null +++ b/libbb/print_flags.c @@ -0,0 +1,32 @@ +/* vi: set sw=4 ts=4: */ +/* Print string that matches bit masked flags + * + * Copyright (C) 2008 Natanael Copa + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +#include + +/* returns a set with the flags not printed */ +int print_flags_separated(const int *masks, const char *labels, int flags, const char *separator) +{ + const char *need_separator = NULL; + while (*labels) { + if (flags & *masks) { + printf("%s%s", + need_separator ? need_separator : "", + labels); + need_separator = separator; + flags &= ~ *masks; + masks++; + } + labels += strlen(labels) + 1; + } + return flags; +} + +int print_flags(const masks_labels_t *ml, int flags) +{ + return print_flags_separated(ml->masks, ml->labels, flags, NULL); +} -- cgit v1.2.3