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author | Denis Vlasenko | 2009-04-19 14:03:11 +0000 |
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committer | Denis Vlasenko | 2009-04-19 14:03:11 +0000 |
commit | 9f8d9381727fa517bbe3adf4f18e856a936057a7 (patch) | |
tree | 4e54e0cb62ffbdcd5ffe466ffd68e1f20b4f1ccd | |
parent | bf25fbccb9b2641c77685ac0a537e8068b6b354a (diff) | |
download | busybox-9f8d9381727fa517bbe3adf4f18e856a936057a7.zip busybox-9f8d9381727fa517bbe3adf4f18e856a936057a7.tar.gz |
same as previous, but -100 bytes
-rw-r--r-- | shell/hush.c | 38 |
1 files changed, 15 insertions, 23 deletions
diff --git a/shell/hush.c b/shell/hush.c index 62b1d48..c542b7d 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -5476,22 +5476,24 @@ static struct pipe *parse_stream(char **pstring, * will still trigger for us */ } } + + /* "cmd}" or "cmd }..." without semicolon or &: + * } is an ordinary char in this case, even inside { cmd; } + * Pathological example: { ""}; } should exec "}" cmd + */ + if (ch == '}' + && !(IS_NULL_PIPE(ctx.pipe) + && IS_NULL_CMD(ctx.command) + && dest.length == 0 + && !dest.o_quoted + ) + ) { + goto ordinary_char; + } + if (end_trigger && end_trigger == ch && (heredoc_cnt == 0 || end_trigger != ';') ) { - /* "{ cmd}" or "{ cmd }..." without semicolon or &: - * } is an ordinary char in this case. - * Pathological example: { ""}; } should exec "}" cmd - */ - if (ch == '}' - && !(IS_NULL_PIPE(ctx.pipe) - && IS_NULL_CMD(ctx.command) - && dest.length == 0 - && !dest.o_quoted - ) - ) { - goto ordinary_char; - } if (heredoc_cnt) { /* This is technically valid: * { cat <<HERE; }; echo Ok @@ -5757,16 +5759,6 @@ static struct pipe *parse_stream(char **pstring, goto case_semi; #endif case '}': - if (!(IS_NULL_PIPE(ctx.pipe) - && IS_NULL_CMD(ctx.command) - && dest.length == 0 - && !dest.o_quoted - ) - ) { - /* } not preceded by ; or & is an ordinary - * char, example: "echo }" */ - goto ordinary_char; - } /* proper use of this character is caught by end_trigger: * if we see {, we call parse_group(..., end_trigger='}') * and it will match } earlier (not here). */ |