Obtained from: partly from 1.1.5
Convert "" to "." for "cd" and "cd ''". chdir("") is required to fail on POSIX systems.
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abdf111953
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61233bdc2e
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=5234
@ -33,7 +33,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: cd.c,v 1.2 1994/09/24 02:57:24 davidg Exp $
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* $Id: cd.c,v 1.3 1994/11/06 01:29:26 jkh Exp $
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*/
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#ifndef lint
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@ -88,6 +88,8 @@ cdcmd(argc, argv) char **argv; {
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nextopt(nullstr);
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if ((dest = *argptr) == NULL && (dest = bltinlookup("HOME", 1)) == NULL)
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error("HOME not set");
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if (*dest == '\0')
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dest = ".";
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if (dest[0] == '-' && dest[1] == '\0') {
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dest = prevdir ? prevdir : curdir;
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print = 1;
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@ -220,7 +222,7 @@ docd(dest, print)
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STPUTC('\0', p);
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p = grabstackstr(p);
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INTOFF;
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if (chdir(p) < 0) {
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if (chdir(*p ? p : ".") < 0) {
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INTON;
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return -1;
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}
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