[PATCH 2/2] vi: allow regular expressions in ':s' commands

tal: 426 bytes Signed-off-by: Andrey Dobrovolsky Signed-off-by: Ron Yorston --- editors/vi.c | 105 +++ 1 file changed, 97 insertions(+), 8 deletions(-) diff --git a/editors/vi.c b/editors/vi.c index 959362b25..eed51fbad 100644 --- a/editors/vi.c ++

[PATCH 1/2] vi: use basic regular expressions for search

lta -- (add/remove: 0/0 grow/shrink: 0/0 up/down: 0/0) Total: 0 bytes Signed-off-by: Andrey Dobrovolsky Signed-off-by: Ron Yorston --- editors/vi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/edit

[PATCH] vi: Implementation of REGEX-compatible :s command

If busybox is compiled with ENABLE_FEATURE_VI_REGEX_SEARCH, :s command must be REGEX compatible too, char-by-char search and replace is not applicable. Added: function do_subtitution() couple of local variables in colon() function Additional code and variables conditioned by

[PATCH] vi: backward search repair for ENABLE_FEATURE_VI_REGEX_SEARCH

In order to perform backward search using re_search(), starting offset must be set to the end of the area searched, while "range" parameter is negative. The returned value of re_search() is an offset of the pattern start inside the area searched, so char_search() can return area start adress plus

vi: substitution command (:s) REGEX implementation

commit 87baae194e360e67865aeb3bc7a47da600607b04 Author: AndreyDobrovolskyOdessa Date: Wed Feb 10 00:17:06 2021 +0200 Implementing :s command utilizing full REGEXes power Additional code and variables conditioned by ENABLE_FEATURE_VI_REGEX_SEARCH. Added: function

vi: backward search repair for ENABLE_FEATURE_VI_REGEX_SEARCH

commit 50c8bc4e25edac4d4b65419303df1a32db69ef28 Author: AndreyDobrovolskyOdessa Date: Tue Feb 9 14:44:14 2021 +0200 Backward search repair for ENABLE_FEATURE_VI_REGEX_SEARCH. In order to perform backward search using re_search(), starting offset must be set to the end of the area

vi backward regex search

Hi, busy people! If busybox is built with CONFIG_FEATURE_VI_REGEX_SEARCH=y vi is unable to search backward. Proposed patch for 1.31.1 is: --- vi.c.old 2019-06-10 13:50:53.0 +0300 +++ vi.c 2020-02-15 15:22:24.851557863 +0200 @@ -2189,15 +2189,11 @@ // re_search() >= 0: index of found

FEATURE_VI_REGEX_SEARCH bug

If busybox is compiled with FEATURE_VI_REGEX_SEARCH enabled, command ":s/x/y/" searches not only in the current line, but continues search after it. This makes range searches (":1,3s/x/y/") work incorrect. For example file "./test" : 1 2 3 $vi ./test :1,2s/3/e/ gives us : 1 2 e This error affects