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| author | Peter Wemm <peter@FreeBSD.org> | 2000-07-29 22:16:55 +0000 |
|---|---|---|
| committer | Peter Wemm <peter@FreeBSD.org> | 2000-07-29 22:16:55 +0000 |
| commit | 1510e9e7c66dbda1355ffcb6078cfe9bd340a60f (patch) | |
| tree | 4737d7977f94286bc830d50429086c3e6d57d86b /bin/chmod/chmod.c | |
| parent | db3c6b6b22c1cd5652ab394469d0bbfe2e3f9e5b (diff) | |
| download | src-1510e9e7c66dbda1355ffcb6078cfe9bd340a60f.tar.gz src-1510e9e7c66dbda1355ffcb6078cfe9bd340a60f.zip | |
Optimize out no-op chmod() syscalls.
Notes
Notes:
svn path=/head/; revision=64013
Diffstat (limited to 'bin/chmod/chmod.c')
| -rw-r--r-- | bin/chmod/chmod.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/bin/chmod/chmod.c b/bin/chmod/chmod.c index a8ec2d92dfd7..395bee14c983 100644 --- a/bin/chmod/chmod.c +++ b/bin/chmod/chmod.c @@ -72,6 +72,7 @@ main(argc, argv) int Hflag, Lflag, Pflag, Rflag, ch, fflag, fts_options, hflag, rval; int vflag; char *ep, *mode; + int newmode; set = NULL; omode = 0; @@ -191,8 +192,10 @@ done: argv += optind; default: break; } - if (chmod(p->fts_accpath, oct ? omode : - getmode(set, p->fts_statp->st_mode)) && !fflag) { + newmode = oct ? omode : getmode(set, p->fts_statp->st_mode); + if ((newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS)) + continue; + if (chmod(p->fts_accpath, newmode) && !fflag) { warn("%s", p->fts_path); rval = 1; } else { |