diff options
author | Jilles Tjoelker <jilles@FreeBSD.org> | 2017-05-14 13:14:19 +0000 |
---|---|---|
committer | Jilles Tjoelker <jilles@FreeBSD.org> | 2017-05-14 13:14:19 +0000 |
commit | 1b21b7fa897f3f386f876e783e00604528b4a9ce (patch) | |
tree | 8c0ccca0ccfcb836ea5985581ba56bdcde4bfc2d /bin | |
parent | c8da9163bf920c7b494ae119069e07be688bacf7 (diff) | |
download | src-1b21b7fa897f3f386f876e783e00604528b4a9ce.tar.gz src-1b21b7fa897f3f386f876e783e00604528b4a9ce.zip |
sh: Fix '-' from quoted arithmetic in case/glob pattern range.
It does not make much sense to generate the '-' in a pattern bracket
expression using arithmetic expansion, but it does not make sense to forbid
it either.
Try to avoid reprocessing the string if it is unnecessary.
Notes
Notes:
svn path=/head/; revision=318269
Diffstat (limited to 'bin')
-rw-r--r-- | bin/sh/expand.c | 11 | ||||
-rw-r--r-- | bin/sh/tests/builtins/Makefile | 1 | ||||
-rw-r--r-- | bin/sh/tests/builtins/case22.0 | 10 |
3 files changed, 20 insertions, 2 deletions
diff --git a/bin/sh/expand.c b/bin/sh/expand.c index 74bb63e1f67e..3b44d5569a66 100644 --- a/bin/sh/expand.c +++ b/bin/sh/expand.c @@ -440,8 +440,15 @@ expari(const char *p, struct nodelist **restrict argbackq, int flag, fmtstr(expdest, DIGITS(result), ARITH_FORMAT_STR, result); adj = strlen(expdest); STADJUST(adj, expdest); - if (!quoted) - reprocess(expdest - adj - stackblock(), flag, VSNORMAL, 0, dst); + /* + * If this is quoted, a '-' must not indicate a range in [...]. + * If this is not quoted, splitting may occur. + */ + if (quoted ? + result < 0 && begoff > 1 && flag & (EXP_GLOB | EXP_CASE) : + flag & EXP_SPLIT) + reprocess(expdest - adj - stackblock(), flag, VSNORMAL, quoted, + dst); return p; } diff --git a/bin/sh/tests/builtins/Makefile b/bin/sh/tests/builtins/Makefile index 09aa095ecf0e..620951415c6e 100644 --- a/bin/sh/tests/builtins/Makefile +++ b/bin/sh/tests/builtins/Makefile @@ -41,6 +41,7 @@ ${PACKAGE}FILES+= case18.0 ${PACKAGE}FILES+= case19.0 ${PACKAGE}FILES+= case20.0 ${PACKAGE}FILES+= case21.0 +${PACKAGE}FILES+= case22.0 ${PACKAGE}FILES+= cd1.0 ${PACKAGE}FILES+= cd2.0 ${PACKAGE}FILES+= cd3.0 diff --git a/bin/sh/tests/builtins/case22.0 b/bin/sh/tests/builtins/case22.0 new file mode 100644 index 000000000000..ddc80051fa0a --- /dev/null +++ b/bin/sh/tests/builtins/case22.0 @@ -0,0 +1,10 @@ +# $FreeBSD$ + +case 5 in +[0"$((-9))"]) echo bad1 ;; +esac + +case - in +[0"$((-9))"]) ;; +*) echo bad2 ;; +esac |