NeoMutt  2020-11-20
Teaching an old dog new tricks
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mutt_history.c File Reference

Read/write command history from/to a file. More...

#include "config.h"
#include <stdio.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "mutt_history.h"
#include "history/lib.h"
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Go to the source code of this file.

Functions

void mutt_hist_complete (char *buf, size_t buflen, enum HistoryClass hclass)
 Complete a string from a history list. More...
 
int mutt_hist_observer (struct NotifyCallback *nc)
 Listen for config changes affecting the history - Implements observer_t. More...
 

Detailed Description

Read/write command history from/to a file.

Authors
  • Michael R. Elkins

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file mutt_history.c.

Function Documentation

◆ mutt_hist_complete()

void mutt_hist_complete ( char *  buf,
size_t  buflen,
enum HistoryClass  hclass 
)

Complete a string from a history list.

Parameters
bufBuffer in which to save string
buflenBuffer length
hclassHistory list to use

Definition at line 42 of file mutt_history.c.

43 {
44  char **matches = mutt_mem_calloc(C_History, sizeof(char *));
45  int match_count = mutt_hist_search(buf, hclass, matches);
46  if (match_count)
47  {
48  if (match_count == 1)
49  mutt_str_copy(buf, matches[0], buflen);
50  else
51  dlg_select_history(buf, buflen, matches, match_count);
52  }
53  FREE(&matches);
54 }
void * mutt_mem_calloc(size_t nmemb, size_t size)
Allocate zeroed memory on the heap.
Definition: memory.c:50
short C_History
Config: Number of history entries to keep in memory per category.
Definition: config.c:37
int mutt_hist_search(const char *search_buf, enum HistoryClass hclass, char **matches)
Find matches in a history list.
Definition: history.c:396
size_t mutt_str_copy(char *dest, const char *src, size_t dsize)
Copy a string into a buffer (guaranteeing NUL-termination)
Definition: string.c:716
#define FREE(x)
Definition: memory.h:40
void dlg_select_history(char *buf, size_t buflen, char **matches, int match_count)
Select an item from a history list.
Definition: dlghistory.c:96
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◆ mutt_hist_observer()

int mutt_hist_observer ( struct NotifyCallback nc)

Listen for config changes affecting the history - Implements observer_t.

Definition at line 59 of file mutt_history.c.

60 {
61  if (!nc->event_data)
62  return -1;
63  if (nc->event_type != NT_CONFIG)
64  return 0;
65 
66  struct EventConfig *ec = nc->event_data;
67 
68  if (!mutt_str_equal(ec->name, "history"))
69  return 0;
70 
72  return 0;
73 }
bool mutt_str_equal(const char *a, const char *b)
Compare two strings.
Definition: string.c:871
A config-change event.
Definition: subset.h:70
enum NotifyType event_type
Send: Event type, e.g. NT_ACCOUNT.
Definition: observer.h:42
void mutt_hist_init(void)
Create a set of empty History ring buffers.
Definition: history.c:447
void * event_data
Data from notify_send()
Definition: observer.h:44
Config has changed, NotifyConfig, EventConfig.
Definition: notify_type.h:37
const char * name
Name of config item that changed.
Definition: subset.h:73
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