diff options
Diffstat (limited to 'src/memline.c')
-rw-r--r-- | src/memline.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/memline.c b/src/memline.c index 19d037f9eb..99b9e9f2ea 100644 --- 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; |