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Add a -P/-o physical option which behaves similarly to bash/ksh's options

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by the same name. This option makes the cd and pwd builtins behave physically
(as opposed to logically) by default.

Submitted by:	fanf
This commit is contained in:
Tim J. Robbins 2002-07-25 10:57:39 +00:00
parent 050f7913c9
commit 7e1975c2b2
3 changed files with 17 additions and 4 deletions
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4
bin/sh/cd.c
View File

@ -88,7 +88,7 @@ cdcmd(int argc, char **argv)
int ch, phys, print = 0; int ch, phys, print = 0;
optreset = 1; optind = 1; opterr = 0; /* initialize getopt */ optreset = 1; optind = 1; opterr = 0; /* initialize getopt */
phys = 0; phys = Pflag;
while ((ch = getopt(argc, argv, "LP")) != -1) { while ((ch = getopt(argc, argv, "LP")) != -1) {
switch (ch) { switch (ch) {
case 'L': case 'L':
@ -324,7 +324,7 @@ pwdcmd(int argc, char **argv)
int ch, phys; int ch, phys;
optreset = 1; optind = 1; opterr = 0; /* initialize getopt */ optreset = 1; optind = 1; opterr = 0; /* initialize getopt */
phys = 0; phys = Pflag;
while ((ch = getopt(argc, argv, "LP")) != -1) { while ((ch = getopt(argc, argv, "LP")) != -1) {
switch (ch) { switch (ch) {
case 'L': case 'L':

4
bin/sh/options.h
View File

@ -65,8 +65,9 @@ struct shparam {
#define uflag optlist[14].val #define uflag optlist[14].val
#define privileged optlist[15].val #define privileged optlist[15].val
#define Tflag optlist[16].val #define Tflag optlist[16].val
#define Pflag optlist[17].val
#define NOPTS 17 #define NOPTS 18
struct optent { struct optent {
const char *name; const char *name;
@ -93,6 +94,7 @@ struct optent optlist[NOPTS] = {
{ "nounset", 'u', 0 }, { "nounset", 'u', 0 },
{ "privileged", 'p', 0 }, { "privileged", 'p', 0 },
{ "trapsasync", 'T', 0 }, { "trapsasync", 'T', 0 },
{ "physical", 'P', 0 },
}; };
#else #else
extern struct optent optlist[NOPTS]; extern struct optent optlist[NOPTS];

13
bin/sh/sh.1
View File

@ -43,7 +43,7 @@
.Nd command interpreter (shell) .Nd command interpreter (shell)
.Sh SYNOPSIS .Sh SYNOPSIS
.Nm .Nm
.Op Fl /+abCEefIimnpsTuVvx .Op Fl /+abCEefIimnPpsTuVvx
.Op Fl /+o Ar longname .Op Fl /+o Ar longname
.Op Fl c Ar string .Op Fl c Ar string
.Op Ar arg ... .Op Ar arg ...
@ -225,6 +225,17 @@ Turn on job control (set automatically when interactive).
If not interactive, read commands but do not If not interactive, read commands but do not
execute them. This is useful for checking the execute them. This is useful for checking the
syntax of shell scripts. syntax of shell scripts.
.It Fl P Li physical
Change the default for the
.Ic cd
and
.Ic pwd
commands from
.Fl L
(logical directory layout)
to
.Fl P
(physical directory layout).
.It Fl p Li privileged .It Fl p Li privileged
Turn on privileged mode. This mode is enabled on startup Turn on privileged mode. This mode is enabled on startup
if either the effective user or group id is not equal to the if either the effective user or group id is not equal to the