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Change interpretation of '\"' in here documents with substitution

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according to SUSv3 and other modern shells (POSIX allows both).
Idea for the patch (add another lex state) from OpenBSD, but the
implementation differs slightly (and is better in quality).

Also add two testcases (/bin/sh passes both, old mksh only one),
and document the change in the manual page. Sync RCS IDs with OBSD.
This commit is contained in:
tg
2005-11-22 18:36:20 +00:00
parent 1d6032acda
commit f38d8299f9
5 changed files with 47 additions and 24 deletions
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8
exec.c
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@ -1,9 +1,9 @@
/** $MirOS: src/bin/mksh/exec.c,v 1.10 2005/10/25 19:53:27 tg Exp $ */
/* $OpenBSD: exec.c,v 1.41 2005/03/30 17:16:37 deraadt Exp $ */
/** $MirOS: src/bin/mksh/exec.c,v 1.11 2005/11/22 18:36:19 tg Exp $ */
/* $OpenBSD: exec.c,v 1.42 2005/09/11 18:02:27 otto Exp $ */
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.10 2005/10/25 19:53:27 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.11 2005/11/22 18:36:19 tg Exp $");
static int comexec(struct op *, struct tbl *volatile, char **,
int volatile);
@ -1170,7 +1170,7 @@ herein(const char *content, int sub)
s = pushs(SSTRING, ATEMP);
s->start = s->str = content;
source = s;
if (yylex(ONEWORD) != LWORD)
if (yylex(ONEWORD|HEREDOC) != LWORD)
internal_errorf(1, "herein: yylex");
source = osource;
shf_puts(evalstr(yylval.cp, 0), shf);