NeoMutt  2024-04-25-97-g7d2481
Teaching an old dog new tricks
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mutt_logging.h File Reference

NeoMutt Logging. More...

#include <stdbool.h>
#include <stdint.h>
#include <time.h>
#include "mutt/lib.h"
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int log_disp_curses (time_t stamp, const char *file, int line, const char *function, enum LogLevel level, const char *format,...) __attribute__((__format__(__printf__
int void mutt_log_prep (void)
 Prepare to log.
int mutt_log_start (void)
 Enable file logging.
void mutt_log_stop (void)
 Close the log file.
int mutt_log_set_level (enum LogLevel level, bool verbose)
 Change the logging level.
int mutt_log_set_file (const char *file)
 Change the logging file.
int main_log_observer (struct NotifyCallback *nc)
 Notification that a Config Variable has changed - Implements observer_t -.
int level_validator (const struct ConfigSet *cs, const struct ConfigDef *cdef, intptr_t value, struct Buffer *err)
 Validate the "debug_level" config variable - Implements ConfigDef::validator() -.
void mutt_clear_error (void)
 Clear the message line (bottom line of screen)

Detailed Description

NeoMutt Logging.

  • Richard Russon

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

Definition in file mutt_logging.h.

Function Documentation

◆ log_disp_curses()

int log_disp_curses ( time_t  stamp,
const char *  file,
int  line,
const char *  function,
enum LogLevel  level,
const char *  format,

◆ mutt_log_prep()

int void mutt_log_prep ( void  )

Prepare to log.

Definition at line 171 of file mutt_logging.c.

173 char ver[64] = { 0 };
174 snprintf(ver, sizeof(ver), "-%s%s", PACKAGE_VERSION, GitVer);
const char * GitVer
void log_file_set_version(const char *version)
Set the program's version number.
Definition: logging.c:221
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◆ mutt_log_start()

int mutt_log_start ( void  )

Enable file logging.

Return values
0Success, or already running
-1Failed to start

This also handles file rotation.

Definition at line 248 of file mutt_logging.c.

250 const short c_debug_level = cs_subset_number(NeoMutt->sub, "debug_level");
251 if (c_debug_level < 1)
252 return 0;
254 if (log_file_running())
255 return 0;
257 const char *const c_debug_file = cs_subset_path(NeoMutt->sub, "debug_file");
258 mutt_log_set_file(c_debug_file);
260 /* This will trigger the file creation */
261 if (log_file_set_level(c_debug_level, true) < 0)
262 return -1;
264 return 0;
short cs_subset_number(const struct ConfigSubset *sub, const char *name)
Get a number config item by name.
Definition: helpers.c:143
const char * cs_subset_path(const struct ConfigSubset *sub, const char *name)
Get a path config item by name.
Definition: helpers.c:168
int log_file_set_level(enum LogLevel level, bool verbose)
Set the logging level.
Definition: logging.c:176
bool log_file_running(void)
Is the log file running?
Definition: logging.c:230
int mutt_log_set_file(const char *file)
Change the logging file.
Definition: mutt_logging.c:195
Container for Accounts, Notifications.
Definition: neomutt.h:42
struct ConfigSubset * sub
Inherited config items.
Definition: neomutt.h:46
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◆ mutt_log_stop()

void mutt_log_stop ( void  )

Close the log file.

Definition at line 181 of file mutt_logging.c.

183 log_file_close(false);
#define FREE(x)
Definition: memory.h:45
void log_file_close(bool verbose)
Close the log file.
Definition: logging.c:99
static char * CurrentFile
The previous log file name.
Definition: mutt_logging.c:49
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◆ mutt_log_set_level()

int mutt_log_set_level ( enum LogLevel  level,
bool  verbose 

Change the logging level.

levelLogging level
verboseIf true, then log the event
Return values
-1Error, level is out of range

Definition at line 226 of file mutt_logging.c.

228 if (!CurrentFile)
229 {
230 const char *const c_debug_file = cs_subset_path(NeoMutt->sub, "debug_file");
231 mutt_log_set_file(c_debug_file);
232 }
234 if (log_file_set_level(level, verbose) != 0)
235 return -1;
237 cs_subset_str_native_set(NeoMutt->sub, "debug_level", level, NULL);
238 return 0;
int cs_subset_str_native_set(const struct ConfigSubset *sub, const char *name, intptr_t value, struct Buffer *err)
Natively set the value of a string config item.
Definition: subset.c:297
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◆ mutt_log_set_file()

int mutt_log_set_file ( const char *  file)

Change the logging file.

fileName to use
Return values
0Success, file opened
-1Error, see errno

Close the old log, rotate the new logs and open the new log.

Definition at line 195 of file mutt_logging.c.

197 const char *const c_debug_file = cs_subset_path(NeoMutt->sub, "debug_file");
198 if (!mutt_str_equal(CurrentFile, c_debug_file))
199 {
200 struct Buffer *expanded = buf_pool_get();
201 buf_addstr(expanded, c_debug_file);
202 buf_expand_path(expanded);
204 const char *name = mutt_file_rotate(buf_string(expanded), NumOfLogs);
205 buf_pool_release(&expanded);
206 if (!name)
207 return -1;
209 log_file_set_filename(name, false);
210 FREE(&name);
211 mutt_str_replace(&CurrentFile, c_debug_file);
212 }
214 cs_subset_str_string_set(NeoMutt->sub, "debug_file", file, NULL);
216 return 0;
size_t buf_addstr(struct Buffer *buf, const char *s)
Add a string to a Buffer.
Definition: buffer.c:226
static const char * buf_string(const struct Buffer *buf)
Convert a buffer to a const char * "string".
Definition: buffer.h:96
const char * mutt_file_rotate(const char *path, int count)
Rotate a set of numbered files.
Definition: file.c:546
int log_file_set_filename(const char *file, bool verbose)
Set the filename for the log.
Definition: logging.c:150
bool mutt_str_equal(const char *a, const char *b)
Compare two strings.
Definition: string.c:660
char * mutt_str_replace(char **p, const char *s)
Replace one string with another.
Definition: string.c:280
static const int NumOfLogs
How many log files to rotate.
Definition: mutt_logging.c:50
void buf_expand_path(struct Buffer *buf)
Create the canonical path.
Definition: muttlib.c:315
struct Buffer * buf_pool_get(void)
Get a Buffer from the pool.
Definition: pool.c:81
void buf_pool_release(struct Buffer **ptr)
Return a Buffer to the pool.
Definition: pool.c:94
String manipulation buffer.
Definition: buffer.h:36
int cs_subset_str_string_set(const struct ConfigSubset *sub, const char *name, const char *value, struct Buffer *err)
Set a config item by string.
Definition: subset.c:386
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◆ mutt_clear_error()

void mutt_clear_error ( void  )

Clear the message line (bottom line of screen)

Definition at line 74 of file mutt_logging.c.

76 /* Make sure the error message has had time to be read */
77 if (OptMsgErr)
80 ErrorBufMessage = false;
81 if (!OptNoCurses)
bool OptNoCurses
(pseudo) when sending in batch mode
Definition: globals.c:72
bool OptMsgErr
(pseudo) used by mutt_error/mutt_message
Definition: globals.c:67
bool ErrorBufMessage
true if the last message was an error
Definition: globals.c:35
void msgwin_clear_text(struct MuttWindow *win)
Clear the text in the Message Window.
Definition: msgwin.c:519
static void error_pause(void)
Wait for an error message to be read.
Definition: mutt_logging.c:59
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