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Obtained from: partly from 1.1.5

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Convert "" to "." for "cd" and "cd ''".  chdir("") is required to fail
on POSIX systems.
This commit is contained in:
Bruce Evans 1994-12-26 13:02:05 +00:00
parent abdf111953
commit 61233bdc2e
1 changed files with 4 additions and 2 deletions
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6
bin/sh/cd.c
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@ -33,7 +33,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: cd.c,v 1.2 1994/09/24 02:57:24 davidg Exp $
* $Id: cd.c,v 1.3 1994/11/06 01:29:26 jkh Exp $
*/
#ifndef lint
@ -88,6 +88,8 @@ cdcmd(argc, argv) char **argv; {
nextopt(nullstr);
if ((dest = *argptr) == NULL && (dest = bltinlookup("HOME", 1)) == NULL)
error("HOME not set");
if (*dest == '\0')
dest = ".";
if (dest[0] == '-' && dest[1] == '\0') {
dest = prevdir ? prevdir : curdir;
print = 1;
@ -220,7 +222,7 @@ top:
STPUTC('\0', p);
p = grabstackstr(p);
INTOFF;
if (chdir(p) < 0) {
if (chdir(*p ? p : ".") < 0) {
INTON;
return -1;
}