Mercurial > vim
changeset 34518:80991201ed38 v9.1.0163
patch 9.1.0163: Calling STRLEN() to compute ml_line_textlen when not needed
Commit: https://github.com/vim/vim/commit/82e079df814f7372e9579450730062b205449efa
Author: zeertzjq <zeertzjq@outlook.com>
Date: Sun Mar 10 08:55:42 2024 +0100
patch 9.1.0163: Calling STRLEN() to compute ml_line_textlen when not needed
Problem: Calling STRLEN() to compute ml_line_textlen when not needed.
Solution: Use 0 when STRLEN() will be required and call STRLEN() later.
(zeertzjq)
closes: #14155
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 10 Mar 2024 09:00:08 +0100 |
| parents | 6358e85e21e3 |
| children | ceab7bedffcc |
| files | src/change.c src/edit.c src/memline.c src/structs.h src/version.c |
| diffstat | 5 files changed, 16 insertions(+), 7 deletions(-) [+] |
line wrap: on
line diff
--- a/src/change.c +++ b/src/change.c @@ -1364,7 +1364,7 @@ del_bytes( mch_memmove(newp + newlen + 1, oldp + oldlen + 1, (size_t)curbuf->b_ml.ml_line_len - oldlen - 1); curbuf->b_ml.ml_line_len -= count; - curbuf->b_ml.ml_line_textlen = (int)STRLEN(newp) + 1; + curbuf->b_ml.ml_line_textlen = 0; } #endif
--- a/src/edit.c +++ b/src/edit.c @@ -5088,7 +5088,7 @@ ins_tab(void) vim_free(curbuf->b_ml.ml_line_ptr); curbuf->b_ml.ml_line_ptr = newp; curbuf->b_ml.ml_line_len -= i; - curbuf->b_ml.ml_line_textlen = (int)STRLEN(newp) + 1; + curbuf->b_ml.ml_line_textlen = 0; curbuf->b_ml.ml_flags = (curbuf->b_ml.ml_flags | ML_LINE_DIRTY) & ~ML_EMPTY; }
--- a/src/memline.c +++ b/src/memline.c @@ -2700,9 +2700,13 @@ ml_get_cursor_len(void) colnr_T ml_get_buf_len(buf_T *buf, linenr_T lnum) { - if (*ml_get_buf(buf, lnum, FALSE) == NUL) + char_u *line; + + if (*(line = ml_get_buf(buf, lnum, FALSE)) == NUL) return 0; + if (buf->b_ml.ml_line_textlen <= 0) + buf->b_ml.ml_line_textlen = (int)STRLEN(line) + 1; return buf->b_ml.ml_line_textlen - 1; } @@ -2799,8 +2803,11 @@ errorret: buf->b_ml.ml_line_ptr = (char_u *)dp + start; buf->b_ml.ml_line_len = end - start; #if defined(FEAT_BYTEOFF) && defined(FEAT_PROP_POPUP) - if (buf->b_has_textprop) - buf->b_ml.ml_line_textlen = (int)STRLEN(buf->b_ml.ml_line_ptr) + 1; + // Text properties come after a NUL byte, so ml_line_len should be + // larger than the size of textprop_T if there is any. + if (buf->b_has_textprop + && (size_t)buf->b_ml.ml_line_len > sizeof(textprop_T)) + buf->b_ml.ml_line_textlen = 0; // call STRLEN() later when needed else #endif buf->b_ml.ml_line_textlen = buf->b_ml.ml_line_len;
--- a/src/structs.h +++ b/src/structs.h @@ -802,8 +802,8 @@ typedef struct memline #define ML_ALLOCATED 0x10 // ml_line_ptr is an allocated copy int ml_flags; - colnr_T ml_line_len; // length of the cached line + textproperties, including NUL - colnr_T ml_line_textlen;// length of the cached line, including NUL + colnr_T ml_line_len; // length of the cached line + NUL + text properties + colnr_T ml_line_textlen;// length of the cached line + NUL, 0 if not known yet linenr_T ml_line_lnum; // line number of cached line, 0 if not valid char_u *ml_line_ptr; // pointer to cached line