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Allow [ to be used as a delimiter.

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Pointed by:	Marius Strobl
Obtained from:	Apple
This commit is contained in:
Diomidis Spinellis 2009-09-20 14:11:33 +00:00
parent 8d5e165e7f
commit 128e6a12b5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=197356
2 changed files with 10 additions and 1 deletions
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9
tools/regression/usr.bin/sed/multitest.t
View File

@ -432,6 +432,15 @@ u2/g' lines1
# POSIX does not say that this should work,
# but it does for GNU, BSD, and SunOS
mark '8.17' ; $SED -e 's/[/]/Q/' lines1
COMMENT='[ as an s delimiter and its escapes'
mark '8.18' ; $SED -e 's[_[X[' lines1
# This is a matter of interpretation
# POSIX 1003.1, 2004 says "Within the BRE and the replacement,
# the BRE delimiter itself can be used as a *literal* character
# if it is preceded by a backslash
mark '8.19' ; sed 's/l/[/' lines1 | $SED -e 's[\[.[X['
mark '8.20' ; sed 's/l/[/' lines1 | $SED -e 's[\[.[X\[['
}
test_error()

2
usr.bin/sed/compile.c
View File

@ -387,7 +387,7 @@ compile_delimited(char *p, char *d)
errx(1, "%lu: %s: newline can not be used as a string delimiter",
linenum, fname);
while (*p) {
if (*p == '[') {
if (*p == '[' && *p != c) {
if ((d = compile_ccl(&p, d)) == NULL)
errx(1, "%lu: %s: unbalanced brackets ([])", linenum, fname);
continue;