JehanneOS/mksh
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add MKSH_UNIXTIME

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This commit is contained in:
tg
2012-11-20 18:07:45 +00:00
parent 2f41503f8e
commit 13da062f92
4 changed files with 30 additions and 8 deletions
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4
main.c
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@@ -34,7 +34,7 @@
#include <locale.h>
#endif
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.239 2012/11/20 17:42:29 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.240 2012/11/20 18:07:42 tg Exp $");
extern char **environ;
@@ -59,7 +59,7 @@ static void x_sigwinch(int);
static const char initifs[] = "IFS= \t\n";
static const char initsubs[] =
"${PS2=> } ${PS3=#? } ${PS4=+ } ${SECONDS=0} ${TMOUT=0}";
"${PS2=> } ${PS3=#? } ${PS4=+ } ${SECONDS=0} ${TMOUT=0} ${MKSH_UNIXTIME=}";
static const char *initcoms[] = {
Ttypeset, "-r", initvsn, NULL,

12
mksh.1
View File

@@ -1,4 +1,4 @@
.\" $MirOS: src/bin/mksh/mksh.1,v 1.297 2012/11/20 17:42:30 tg Exp $
.\" $MirOS: src/bin/mksh/mksh.1,v 1.298 2012/11/20 18:07:43 tg Exp $
.\" $OpenBSD: ksh.1,v 1.144 2012/07/08 08:13:20 guenther Exp $
.\"-
.\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
@@ -1863,6 +1863,16 @@ executed.
.It Ev LINES
Set to the number of lines on the terminal or window.
Always set, defaults to 24.
.It Ev MKSH_UNIXTIME
Time since the epoch, as returned by
.Xr gettimeofday 2 ,
formatted as decimal
.Va tv_sec
followed by a dot
.Pq Sq .\&
and
.Va tv_usec
padded to exactly six decimal digits.
.It Ev OLDPWD
The previous working directory.
Unset if

19
var.c
View File

@@ -27,7 +27,7 @@
#include <sys/sysctl.h>
#endif
__RCSID("$MirOS: src/bin/mksh/var.c,v 1.157 2012/11/20 18:06:53 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/var.c,v 1.158 2012/11/20 18:07:45 tg Exp $");
/*-
* Variables
@@ -130,7 +130,7 @@ initvar(void)
struct tbl *tp;
ktinit(APERM, &specials,
/* currently 13 specials: 75% of 32 = 2^5 */
/* currently 14 specials: 75% of 32 = 2^5 */
5);
while (i < V_MAX - 1) {
tp = ktenter(&specials, initvar_names[i],
@@ -1087,6 +1087,7 @@ getspec(struct tbl *vp)
{
register mksh_ari_t i;
int st;
struct timeval tv;
switch ((st = special(vp->name))) {
case V_BASHPID:
@@ -1111,6 +1112,18 @@ getspec(struct tbl *vp)
case V_LINES:
i = x_lins;
break;
case V_MKSH_UNIXTIME: {
/* 10(%u) + 1(.) + 6 + NUL */
char buf[18];
vp->flag &= ~SPECIAL;
mksh_TIME(tv);
shf_snprintf(buf, sizeof(buf), "%u.%06u",
(unsigned)tv.tv_sec, (unsigned)tv.tv_usec);
setstr(vp, buf, KSH_RETURN_ERROR | 0x4);
vp->flag |= SPECIAL;
return;
}
case V_OPTIND:
i = user_opt.uoptind;
break;
@@ -1124,8 +1137,6 @@ getspec(struct tbl *vp)
* (see initcoms[] in main.c).
*/
if (vp->flag & ISSET) {
struct timeval tv;
mksh_TIME(tv);
i = tv.tv_sec - seconds;
} else

3
var_spec.h
View File

@@ -1,5 +1,5 @@
#if defined(VARSPEC_DEFNS)
__RCSID("$MirOS: src/bin/mksh/var_spec.h,v 1.3 2012/11/20 17:42:32 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/var_spec.h,v 1.4 2012/11/20 18:07:45 tg Exp $");
#define FN(name) /* nothing */
#elif defined(VARSPEC_ENUMS)
#define FN(name) V_##name,
@@ -28,6 +28,7 @@ FN(HISTSIZE)
FN(IFS)
FN(LINENO)
FN(LINES)
FN(MKSH_UNIXTIME)
FN(OPTIND)
FN(PATH)
FN(RANDOM)