dd6f570fa
Denis Vlasenko
2008-06-07
Subject
add libbb/print_flags.c...
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libbb/print_flags.c+32 -0
| @@ -0,0 +1,32 @@ | |
| + | /* vi: set sw=4 ts=4: */ |
| + | /* Print string that matches bit masked flags |
| + | * |
| + | * Copyright (C) 2008 Natanael Copa <[email protected]> |
| + | * |
| + | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| + | */ |
| + | |
| + | #include <libbb.h> |
| + | |
| + | /* 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); |
| + | } |