add libbb/print_flags.c...

This commit is contained in:
Denis Vlasenko 2008-06-07 15:11:08 +00:00
parent 53354ac47d
commit dd6f570fa3

32
libbb/print_flags.c Normal file
View File

@ -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);
}