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| -rw-r--r-- | libbb/print_flags.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libbb/print_flags.c b/libbb/print_flags.c new file mode 100644 index 0000000..413f516 --- /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 <natanael.copa@gmail.com> + * + * 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); +} |