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patch 7.4.1735

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Problem:    It is not possible to only see part of the message history.  It is
            not possible to clear messages.
Solution:   Add a count to ":messages" and a clear argument. (Yasuhiro
            Matsumoto)
This commit is contained in:
Bram Moolenaar
2016-04-14 17:16:22 +02:00
parent 0f518a8f4d
commit 451f849fd6
6 changed files with 91 additions and 4 deletions
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34
src/message.c
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@@ -770,6 +770,22 @@ ex_messages(exarg_T *eap UNUSED)
{
struct msg_hist *p;
char_u *s;
int c = 0;
if (STRCMP(eap->arg, "clear") == 0)
{
int keep = eap->addr_count == 0 ? 0 : eap->line2;
while (msg_hist_len > keep)
(void)delete_first_msg();
return;
}
if (*eap->arg != NUL)
{
EMSG(_(e_invarg));
return;
}
msg_hist_off = TRUE;
@@ -779,7 +795,23 @@ ex_messages(exarg_T *eap UNUSED)
_("Messages maintainer: Bram Moolenaar <Bram@vim.org>"),
hl_attr(HLF_T));
for (p = first_msg_hist; p != NULL && !got_int; p = p->next)
p = first_msg_hist;
if (eap->addr_count != 0)
{
/* Count total messages */
for (; p != NULL && !got_int; p = p->next)
c++;
c -= eap->line2;
/* Skip without number of messages specified */
for (p = first_msg_hist; p != NULL && !got_int && c > 0;
p = p->next, c--);
}
/* Display what was not skipped. */
for (; p != NULL && !got_int; p = p->next)
if (p->msg != NULL)
msg_attr(p->msg, p->attr);