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Simplify getopt switch parsing.

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Only one of these flags can be set. Just add them together and check the
value. Also, get rid of the listall variable. The code is already filled
with direct *flag-comparisons.

Obtained from:	Alexander Best (though modified)
This commit is contained in:
Ed Schouten 2011-11-08 11:36:46 +00:00
parent ed1f6dc235
commit 66c5875a45
1 changed files with 4 additions and 12 deletions
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16
usr.bin/du/du.c
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@ -88,7 +88,6 @@ main(int argc, char *argv[])
off_t savednumber, curblocks;
off_t threshold, threshold_sign;
int ftsoptions;
int listall;
int depth;
int Hflag, Lflag, Pflag, aflag, sflag, dflag, cflag;
int hflag, lflag, ch, notused, rval;
@ -229,17 +228,10 @@ main(int argc, char *argv[])
if (!Aflag && (cblocksize % DEV_BSIZE) != 0)
cblocksize = howmany(cblocksize, DEV_BSIZE) * DEV_BSIZE;
listall = 0;
if (aflag) {
if (sflag || dflag)
usage();
listall = 1;
} else if (sflag) {
if (dflag)
usage();
if (aflag + dflag + sflag > 1)
usage();
if (sflag)
depth = 0;
}
if (!*argv) {
argv = save;
@ -320,7 +312,7 @@ main(int argc, char *argv[])
howmany(p->fts_statp->st_size, cblocksize) :
howmany(p->fts_statp->st_blocks, cblocksize);
if (listall || p->fts_level == 0) {
if (aflag || p->fts_level == 0) {
if (hflag) {
prthumanval(curblocks);
(void)printf("\t%s\n", p->fts_path);