Plan 9 from Bell Labs’s /usr/web/sources/contrib/uriel/changes/2005/1218/1

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Distributed under the MIT License.
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Unpack files with #.
 [rsc] --rw-rw-r-- M 484762 glenda sys 22101 Dec 18 07:04 sys/src/cmd/tar.c
	/n/sourcesdump/2005/1218/plan9/sys/src/cmd/tar.c:634,643 - 
	/n/sourcesdump/2005/1219/plan9/sys/src/cmd/tar.c:634,653
	  	ulong blksleft, blksread;
	  	Hdr *hbp;
	  	Dir *dir;
	+ 	String *name = nil;
	  
	+ 	if (shortf[0] == '#') {
	+ 		name = s_new();
	+ 		s_append(name, "./");
	+ 		s_append(name, shortf);
	+ 		shortf = s_to_c(name);
	+ 	}
	+ 
	  	fd = open(shortf, OREAD);
	  	if (fd < 0) {
	  		fprint(2, "%s: can't open %s: %r\n", argv0, file);
	+ 		if (name)
	+ 			s_free(name);
	  		return;
	  	}
	  	dir = dirfstat(fd);
	/n/sourcesdump/2005/1218/plan9/sys/src/cmd/tar.c:650,655 - 
	/n/sourcesdump/2005/1219/plan9/sys/src/cmd/tar.c:660,667
	  		putbackblk(ar);
	  		free(dir);
	  		close(fd);
	+ 		if (name)
	+ 			s_free(name);
	  		return;
	  	}
	  	putblk(ar);
	/n/sourcesdump/2005/1218/plan9/sys/src/cmd/tar.c:679,684 - 
	/n/sourcesdump/2005/1219/plan9/sys/src/cmd/tar.c:691,698
	  		if (verbose)
	  			fprint(2, "%s\n", file);
	  	}
	+ 	if (name)
	+ 		s_free(name);
	  }
	  
	  static char *
	/n/sourcesdump/2005/1218/plan9/sys/src/cmd/tar.c:783,789 - 
	/n/sourcesdump/2005/1219/plan9/sys/src/cmd/tar.c:797,803
	  {
	  	int len;
	  	static char *last;
	- 	
	+ 
	  	/*
	  	 * Always print about files.  Only print about directories
	  	 * we haven't printed about.  (Assumes archive is ordered
	/n/sourcesdump/2005/1218/plan9/sys/src/cmd/tar.c:805,811 - 
	/n/sourcesdump/2005/1219/plan9/sys/src/cmd/tar.c:819,825
	  	}
	  	fprint(2, "%s: can't create %s: %r\n", argv0, s);
	  }
	- 	
	+ 
	  static int
	  makedir(char *s)
	  {
	/n/sourcesdump/2005/1218/plan9/sys/src/cmd/tar.c:826,832 - 
	/n/sourcesdump/2005/1219/plan9/sys/src/cmd/tar.c:840,846
	  {
	  	int err;
	  	char *p;
	- 	
	+ 
	  	p = s;
	  	err = 0;
	  	while (!err && (p = strchr(p+1, '/')) != nil) {


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