efficient $(<<<foo) and $(<<EOF … ) implementation, requested by izabera
This commit is contained in:
tg
28
check.t
28
check.t
@@ -1,4 +1,4 @@
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# $MirOS: src/bin/mksh/check.t,v 1.738 2016/06/26 00:09:32 tg Exp $
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# $MirOS: src/bin/mksh/check.t,v 1.739 2016/06/26 00:44:55 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://cvsweb.openbsd.org/cgi-bin/cvsweb/src/regress/bin/ksh/?sortby=date
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expected-stdout:
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@(#)MIRBSD KSH R52 2016/05/17
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@(#)MIRBSD KSH R52 2016/06/25
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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 R52 2016/05/17
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@(#)LEGACY KSH R52 2016/06/25
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description:
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Check version of legacy shell.
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stdin:
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@@ -2812,6 +2812,28 @@ expected-stdout:
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C:echo line 5
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x-en
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---
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name: heredoc-comsub-6
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description:
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Check here documents and here strings can be used
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without a specific command, like $(<…) (extension)
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stdin:
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foo=bar
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x=$(<<<EO${foo}F)
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echo "3<$x>"
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y=$(<<-EOF
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hi!
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$foo) is not a problem
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EOF)
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echo "7<$y>"
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expected-stdout:
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3<EObarF>
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7<hi!
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bar) is not a problem>
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---
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name: heredoc-subshell-1
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description:
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Tests for here documents in subshells, taken from Austin ML
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31
eval.c
31
eval.c
@@ -23,7 +23,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.188 2016/06/25 23:54:59 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.189 2016/06/26 00:44:57 tg Exp $");
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/*
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* string expansion
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@@ -1326,14 +1326,31 @@ comsub(Expand *xp, const char *cp, int fn MKSH_A_UNUSED)
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struct ioword *io = *t->ioact;
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char *name;
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if ((io->ioflag & IOTYPE) != IOREAD)
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switch (io->ioflag & IOTYPE) {
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case IOREAD:
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shf = shf_open(name = evalstr(io->ioname, DOTILDE),
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O_RDONLY, 0, SHF_MAPHI | SHF_CLEXEC);
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if (shf == NULL)
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warningf(!Flag(FTALKING), "%s: %s %s: %s",
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name, "can't open", "$(<...) input",
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cstrerror(errno));
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break;
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case IOHERE:
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if (!herein(io, &name)) {
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xp->str = name;
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/* as $(…) requires, trim trailing newlines */
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name += strlen(name);
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while (name > xp->str && name[-1] == '\n')
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--name;
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*name = '\0';
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return (XSUB);
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}
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shf = NULL;
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break;
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default:
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errorf("%s: %s", T_funny_command,
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snptreef(NULL, 32, "%R", io));
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shf = shf_open(name = evalstr(io->ioname, DOTILDE), O_RDONLY,
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0, SHF_MAPHI | SHF_CLEXEC);
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if (shf == NULL)
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warningf(!Flag(FTALKING), "%s: %s %s: %s", name,
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"can't open", "$(<...) input", cstrerror(errno));
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}
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} else if (fn == FUNSUB) {
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int ofd1;
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struct temp *tf = NULL;
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5
exec.c
5
exec.c
@@ -23,7 +23,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.174 2016/06/26 00:09:35 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.175 2016/06/26 00:44:58 tg Exp $");
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#ifndef MKSH_DEFAULT_EXECSHELL
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#define MKSH_DEFAULT_EXECSHELL MKSH_UNIXROOT "/bin/sh"
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@@ -34,7 +34,6 @@ static int comexec(struct op *, struct tbl * volatile, const char **,
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static void scriptexec(struct op *, const char **) MKSH_A_NORETURN;
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static int call_builtin(struct tbl *, const char **, const char *, bool);
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static int iosetup(struct ioword *, struct tbl *);
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static int herein(struct ioword *, char **);
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static const char *do_selectargs(const char **, bool);
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static Test_op dbteste_isa(Test_env *, Test_meta);
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static const char *dbteste_getopnd(Test_env *, Test_op, bool);
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@@ -1557,7 +1556,7 @@ hereinval(struct ioword *iop, int sub, char **resbuf, struct shf *shf)
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return (0);
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}
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static int
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int
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herein(struct ioword *iop, char **resbuf)
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{
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int fd = -1;
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5
sh.h
5
sh.h
@@ -175,9 +175,9 @@
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#endif
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#ifdef EXTERN
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.773 2016/06/25 23:49:50 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.774 2016/06/26 00:44:59 tg Exp $");
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#endif
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#define MKSH_VERSION "R52 2016/05/17"
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#define MKSH_VERSION "R52 2016/06/25"
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/* arithmetic types: C implementation */
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#if !HAVE_CAN_INTTYPES
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@@ -1752,6 +1752,7 @@ int search_access(const char *, int);
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const char *search_path(const char *, const char *, int, int *);
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void pr_menu(const char * const *);
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void pr_list(char * const *);
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int herein(struct ioword *, char **);
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/* expr.c */
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int evaluate(const char *, mksh_ari_t *, int, bool);
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int v_evaluate(struct tbl *, const char *, volatile int, bool);
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