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| author | Denys Vlasenko | 2012-07-11 01:27:15 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2012-07-11 01:27:15 +0200 |
| commit | df8066a78ccd9b899244145f6be0171957a41a1e (patch) | |
| tree | 1deceaacbf772c04dbcf84173b7b23e66b7f8598 /editors/awk.c | |
| parent | e1db338a5187c008819932a4166f3aa27958c48e (diff) | |
| download | busybox-df8066a78ccd9b899244145f6be0171957a41a1e.zip busybox-df8066a78ccd9b899244145f6be0171957a41a1e.tar.gz | |
awk: fix FS assignment behavior. Closes 5108
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors/awk.c')
| -rw-r--r-- | editors/awk.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/editors/awk.c b/editors/awk.c index d69720d..42f6ef8 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -1812,6 +1812,18 @@ static void handle_special(var *v) is_f0_split = FALSE; } else if (v == intvar[FS]) { + /* + * The POSIX-2008 standard says that changing FS should have no effect on the + * current input line, but only on the next one. The language is: + * + * > Before the first reference to a field in the record is evaluated, the record + * > shall be split into fields, according to the rules in Regular Expressions, + * > using the value of FS that was current at the time the record was read. + * + * So, split up current line before assignment to FS: + */ + split_f0(); + mk_splitter(getvar_s(v), &fsplitter); } else if (v == intvar[RS]) { |