feat: make /log level work with non-default files

src/command/cmd_defs.c

@@ -1902,9 +1902,9 @@ static const struct cmd_t command_defs[] = {
       CMD_ARGS(
               { "where", "Show the current log file location." },
               { "rotate on|off", "Rotate log, default on. Does not take effect if you specified a filename yourself when starting Profanity." },
-              { "maxsize <bytes>", "With rotate enabled, specifies the max log size, defaults to 10485760 (10MB)." },
+              { "maxsize <bytes>", "With rotate enabled, specifies the max log size, defaults to 10485760 (10MiB)." },
               { "shared on|off", "Share logs between all instances, default: on. When off, the process id will be included in the log filename. Does not take effect if you specified a filename yourself when starting Profanity." },
-              {"level INFO|DEBUG|WARN|ERROR", "Set the log level. Default is INFO. Only works with default log file, not with user provided log file during startup via -f." })
+              { "level INFO|DEBUG|WARN|ERROR", "Set the log level. Default is INFO." })
     },
 
     { CMD_PREAMBLE("/carbons",

src/command/cmd_funcs.c

@@ -6271,10 +6271,11 @@ cmd_log(ProfWin* window, const char* const command, gchar** args)
     if (strcmp(subcmd, "level") == 0) {
         log_level_t prof_log_level;
         if (log_level_from_string(value, &prof_log_level) == 0) {
+            auto_char char* log_file = strdup(get_log_file_location());
             log_close();
-            log_init(prof_log_level, NULL);
+            log_init(prof_log_level, log_file);
 
-            cons_show("Log level changed to: %s.", value);
+            cons_show("Log level changed to: %s (log file: %s).", value, log_file ? log_file : "[default]");
             return TRUE;
         }
     }

src/log.c

@@ -186,7 +186,7 @@ log_error(const char* const msg, ...)
 }
 
 void
-log_init(log_level_t filter, char* log_file)
+log_init(log_level_t filter, const char* const log_file)
 {
     level_filter = filter;
 

src/log.h

@@ -50,7 +50,7 @@ typedef enum {
     PROF_LEVEL_ERROR
 } log_level_t;
 
-void log_init(log_level_t filter, char* log_file);
+void log_init(log_level_t filter, const char* const log_file);
 log_level_t log_get_filter(void);
 void log_close(void);
 const gchar* get_log_file_location(void);