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WebSVN – planix.SVN – Blame – /os/branches/feature-vt/sys/src/cmd/mkdir.c – Rev 2

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#include <u.h>
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#include <libc.h>
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char *e;
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ulong mode = 0777L;
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void
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usage(void)
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{
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	fprint(2, "usage: mkdir [-p] [-m mode] dir...\n");
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	exits("usage");
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}
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int
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makedir(char *s)
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{
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	int f;
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	if(access(s, AEXIST) == 0){
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		fprint(2, "mkdir: %s already exists\n", s);
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		e = "error";
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		return -1;
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	}
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	f = create(s, OREAD, DMDIR | mode);
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	if(f < 0){
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		fprint(2, "mkdir: can't create %s: %r\n", s);
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		e = "error";
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		return -1;
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	}
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	close(f);
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	return 0;
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}
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void
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mkdirp(char *s)
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{
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	char *p;
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	for(p=strchr(s+1, '/'); p; p=strchr(p+1, '/')){
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		*p = 0;
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		if(access(s, AEXIST) != 0 && makedir(s) < 0)
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			return;
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		*p = '/';
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	}
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	if(access(s, AEXIST) != 0)
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		makedir(s);
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}
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void
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main(int argc, char *argv[])
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{
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	int i, pflag;
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	char *m;
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	pflag = 0;
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	ARGBEGIN{
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	default:
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		usage();
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	case 'm':
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		m = ARGF();
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		if(m == nil)
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			usage();
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		mode = strtoul(m, &m, 8);
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		if(mode > 0777)
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			usage();
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		break;
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	case 'p':
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		pflag = 1;
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		break;
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	}ARGEND
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	for(i=0; i<argc; i++){
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		if(pflag)
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			mkdirp(argv[i]);
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		else
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			makedir(argv[i]);
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	}
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	exits(e);
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}