implement completely new multiline code by delaying history store
this commit is valgrind-tested
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tg
parent
be8c2fa8c2
commit
e0196f47d5
6
check.t
6
check.t
@ -1,4 +1,4 @@
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# $MirOS: src/bin/mksh/check.t,v 1.697 2015/07/05 17:04:24 tg Exp $
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# $MirOS: src/bin/mksh/check.t,v 1.698 2015/07/05 19:37:11 tg Exp $
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# -*- mode: sh -*-
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#-
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# Copyright © 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
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@ -30,7 +30,7 @@
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# (2013/12/02 20:39:44) http://openbsd.cs.toronto.edu/cgi-bin/cvsweb/src/regress/bin/ksh/?sortby=date
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expected-stdout:
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@(#)MIRBSD KSH R51 2015/06/28
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@(#)MIRBSD KSH R51 2015/07/05
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description:
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Check version of shell.
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stdin:
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@ -39,7 +39,7 @@ name: KSH_VERSION
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category: shell:legacy-no
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---
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expected-stdout:
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@(#)LEGACY KSH R51 2015/06/28
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@(#)LEGACY KSH R51 2015/07/05
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description:
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Check version of legacy shell.
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stdin:
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8
edit.c
8
edit.c
@ -28,7 +28,7 @@
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#ifndef MKSH_NO_CMDLINE_EDITING
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__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.286 2015/05/03 11:28:53 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.287 2015/07/05 19:37:13 tg Exp $");
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/*
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* in later versions we might use libtermcap for this, but since external
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@ -3054,7 +3054,7 @@ x_edit_line(int c MKSH_A_UNUSED)
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}
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if (modified) {
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*xep = '\0';
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histsave(&source->line, xbuf, true, true);
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histsave(&source->line, xbuf, HIST_STORE, true);
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x_arg = 0;
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} else
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x_arg = source->line - (histptr - x_histp);
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@ -4311,8 +4311,8 @@ vi_cmd(int argcnt, const char *cmd)
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return (-1);
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if (modified) {
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es->cbuf[es->linelen] = '\0';
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histsave(&source->line, es->cbuf, true,
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true);
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histsave(&source->line, es->cbuf,
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HIST_STORE, true);
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} else
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argcnt = source->line + 1 -
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(hlast - hnum);
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6
funcs.c
6
funcs.c
@ -38,7 +38,7 @@
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#endif
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#endif
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__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.275 2015/07/05 17:50:39 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.276 2015/07/05 19:37:14 tg Exp $");
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#if HAVE_KILLPG
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/*
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@ -442,7 +442,7 @@ c_print(const char **wp)
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if (flags & PO_HIST) {
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Xput(xs, xp, '\0');
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histsave(&source->line, Xstring(xs, xp), true, false);
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histsave(&source->line, Xstring(xs, xp), HIST_STORE, false);
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Xfree(xs, xp);
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} else {
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int len = Xlength(xs, xp);
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@ -2076,7 +2076,7 @@ c_read(const char **wp)
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}
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if (savehist)
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histsave(&source->line, Xstring(xs, xp), true, false);
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histsave(&source->line, Xstring(xs, xp), HIST_STORE, false);
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ccp = cp = Xclose(xs, xp);
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expanding = false;
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50
histrap.c
50
histrap.c
@ -27,7 +27,7 @@
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#include <sys/file.h>
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#endif
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__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.146 2015/07/05 17:04:26 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.147 2015/07/05 19:37:15 tg Exp $");
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Trap sigtraps[ksh_NSIG + 1];
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static struct sigaction Sigact_ign;
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@ -380,7 +380,7 @@ hist_execute(char *cmd, Area *areap)
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last_line = hist_source->line;
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}
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histsave(&hist_source->line, cmd, true, true);
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histsave(&hist_source->line, cmd, HIST_STORE, true);
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/* now *histptr == cmd without all trailing newlines */
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afree(cmd, areap);
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cmd = *histptr;
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@ -620,17 +620,32 @@ histsync(void)
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* save command in history
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*/
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void
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histsave(int *lnp, const char *cmd, bool dowrite MKSH_A_UNUSED, bool ignoredups)
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histsave(int *lnp, const char *cmd, int svmode, bool ignoredups)
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{
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char **hp;
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char *c;
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static char *enqueued = NULL;
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char **hp, *c;
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const char *ccp;
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if (svmode == HIST_APPEND) {
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if (!enqueued)
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svmode = HIST_STORE;
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} else if (enqueued) {
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c = enqueued;
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enqueued = NULL;
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--*lnp;
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histsave(lnp, c, HIST_STORE, true);
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afree(c, APERM);
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}
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if (svmode == HIST_FLUSH)
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return;
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ccp = cmd + strlen(cmd);
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while (ccp > cmd && ccp[-1] == '\n')
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--ccp;
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strndupx(c, cmd, ccp - cmd, APERM);
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if (svmode != HIST_APPEND) {
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if (ignoredups && !strcmp(c, *histptr)
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#if !defined(MKSH_SMALL) && HAVE_PERSISTENT_HISTORY
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&& !histsync()
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@ -640,12 +655,33 @@ histsave(int *lnp, const char *cmd, bool dowrite MKSH_A_UNUSED, bool ignoredups)
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return;
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}
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++*lnp;
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}
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#if HAVE_PERSISTENT_HISTORY
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if (dowrite && histfd != -1)
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if (svmode == HIST_STORE && histfd != -1)
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writehistfile(*lnp, c);
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#endif
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if (svmode == HIST_QUEUE || svmode == HIST_APPEND) {
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size_t nenq, ncmd;
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if (!enqueued) {
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if (*c)
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enqueued = c;
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else
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afree(c, APERM);
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return;
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}
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nenq = strlen(enqueued);
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ncmd = strlen(c);
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enqueued = aresize(enqueued, nenq + 1 + ncmd + 1, APERM);
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enqueued[nenq] = '\n';
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memcpy(enqueued + nenq + 1, c, ncmd + 1);
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afree(c, APERM);
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return;
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}
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hp = histptr;
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if (++hp >= history + histsize) {
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@ -855,7 +891,7 @@ histload(Source *s, unsigned char *base, size_t bytes)
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}
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} else {
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s->line = lno--;
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histsave(&lno, (char *)(base + 4), false, false);
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histsave(&lno, (char *)(base + 4), HIST_NOTE, false);
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}
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/* advance base pointer past NUL */
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bytes -= ++cp - base;
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13
lex.c
13
lex.c
@ -23,7 +23,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.202 2015/07/05 13:49:42 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.203 2015/07/05 19:37:16 tg Exp $");
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/*
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* states while lexing word
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@ -1461,11 +1461,16 @@ getsc_line(Source *s)
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if (s->type == SFILE)
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shf_fdclose(s->u.shf);
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s->str = NULL;
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} else if (interactive && *s->str &&
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(cur_prompt != PS1 || !ctype(*s->str, C_IFS | C_IFSWS))) {
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histsave(&s->line, s->str, true, true);
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} else if (interactive && *s->str) {
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if (cur_prompt != PS1)
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histsave(&s->line, s->str, HIST_APPEND, true);
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else if (!ctype(*s->str, C_IFS | C_IFSWS))
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histsave(&s->line, s->str, HIST_QUEUE, true);
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#if !defined(MKSH_SMALL) && HAVE_PERSISTENT_HISTORY
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else
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goto check_for_sole_return;
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} else if (interactive && cur_prompt == PS1) {
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check_for_sole_return:
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cp = Xstring(s->xs, xp);
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while (*cp && ctype(*cp, C_IFSWS))
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++cp;
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4
main.c
4
main.c
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#include <locale.h>
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#endif
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__RCSID("$MirOS: src/bin/mksh/main.c,v 1.293 2015/04/29 20:07:33 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/main.c,v 1.294 2015/07/05 19:37:16 tg Exp $");
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extern char **environ;
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@ -803,6 +803,8 @@ shell(Source * volatile s, volatile bool toplevel)
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set_prompt(PS1, s);
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}
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t = compile(s, sfirst);
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if (interactive)
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histsave(&s->line, NULL, HIST_FLUSH, true);
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sfirst = false;
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if (!t)
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goto source_no_tree;
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5
mksh.1
5
mksh.1
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.\" $MirOS: src/bin/mksh/mksh.1,v 1.371 2015/07/05 17:50:40 tg Exp $
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.\" $MirOS: src/bin/mksh/mksh.1,v 1.372 2015/07/05 19:37:17 tg Exp $
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.\" $OpenBSD: ksh.1,v 1.160 2015/07/04 13:27:04 feinerer Exp $
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.\"-
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.\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
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@ -1859,7 +1859,8 @@ below for more information.
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.It Ev HISTFILE
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The name of the file used to store command history.
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When assigned to or unset, the file is opened, history is truncated
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then loaded from the file; subsequent new lines are appended.
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then loaded from the file; subsequent new commands (possibly consisting
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of several lines) are appended once they successfully compiled.
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Also, several invocations of the shell will share history if their
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.Ev HISTFILE
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parameters all point to the same file.
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13
sh.h
13
sh.h
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#endif
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#ifdef EXTERN
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.732 2015/07/05 14:43:08 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.733 2015/07/05 19:37:18 tg Exp $");
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#endif
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#define MKSH_VERSION "R51 2015/06/28"
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#define MKSH_VERSION "R51 2015/07/05"
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/* arithmetic types: C implementation */
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#if !HAVE_CAN_INTTYPES
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@ -1625,6 +1625,13 @@ EXTERN char **history; /* saved commands */
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EXTERN char **histptr; /* last history item */
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EXTERN mksh_ari_t histsize; /* history size */
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/* flags to histsave */
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#define HIST_FLUSH 0
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#define HIST_QUEUE 1
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#define HIST_APPEND 2
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#define HIST_STORE 3
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#define HIST_NOTE 4
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/* user and system time of last j_waitjed job */
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EXTERN struct timeval j_usrtime, j_systime;
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@ -1751,7 +1758,7 @@ void hist_init(Source *);
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#if HAVE_PERSISTENT_HISTORY
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void hist_finish(void);
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#endif
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void histsave(int *, const char *, bool, bool);
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void histsave(int *, const char *, int, bool);
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#if !defined(MKSH_SMALL) && HAVE_PERSISTENT_HISTORY
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bool histsync(void);
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#endif
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