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author | Bram Moolenaar <Bram@vim.org> | 2022-06-06 15:38:21 +0100 |
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committer | Bram Moolenaar <Bram@vim.org> | 2022-06-06 15:38:21 +0100 |
commit | 44a3f3353e0407e9fffee138125a6927d1c9e7e5 (patch) | |
tree | 2f8eab55877ffb8d6b51d8be01aaeeccf71db6e9 | |
parent | 1f89abf69d2c485c38da9a45161e806de0f86f2f (diff) | |
download | vim-git-44a3f3353e0407e9fffee138125a6927d1c9e7e5.tar.gz |
patch 8.2.5063: error for a command may go over the end of IObuffv8.2.5063
Problem: Error for a command may go over the end of IObuff.
Solution: Truncate the message.
-rw-r--r-- | src/ex_docmd.c | 12 | ||||
-rw-r--r-- | src/testdir/test_cmdline.vim | 5 | ||||
-rw-r--r-- | src/version.c | 2 |
3 files changed, 17 insertions, 2 deletions
diff --git a/src/ex_docmd.c b/src/ex_docmd.c index cfb40e8d5..634a1bcef 100644 --- a/src/ex_docmd.c +++ b/src/ex_docmd.c @@ -3441,9 +3441,17 @@ theend: static void append_command(char_u *cmd) { - char_u *s = cmd; - char_u *d; + size_t len = STRLEN(IObuff); + char_u *s = cmd; + char_u *d; + if (len > IOSIZE - 100) + { + // Not enough space, truncate and put in "...". + d = IObuff + IOSIZE - 100; + d -= mb_head_off(IObuff, d); + STRCPY(d, "..."); + } STRCAT(IObuff, ": "); d = IObuff + STRLEN(IObuff); while (*s != NUL && d - IObuff + 5 < IOSIZE) diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim index 77965b3f6..2289c343e 100644 --- a/src/testdir/test_cmdline.vim +++ b/src/testdir/test_cmdline.vim @@ -3413,4 +3413,9 @@ func Test_recursive_register() call assert_equal('yes', caught) endfunc +func Test_long_error_message() + " the error should be truncated, not overrun IObuff + silent! norm Q00000000000000 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 +endfunc + " vim: shiftwidth=2 sts=2 expandtab diff --git a/src/version.c b/src/version.c index 542028606..dd585c81a 100644 --- a/src/version.c +++ b/src/version.c @@ -735,6 +735,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 5063, +/**/ 5062, /**/ 5061, |