diff options
Diffstat (limited to 'src/nvim/log.c')
| -rw-r--r-- | src/nvim/log.c | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/src/nvim/log.c b/src/nvim/log.c index 436a8a4079..a8451f7bc4 100644 --- a/src/nvim/log.c +++ b/src/nvim/log.c @@ -95,8 +95,12 @@ void log_unlock(void) uv_mutex_unlock(&mutex); } -bool do_log(int log_level, const char *func_name, int line_num, bool eol, - const char* fmt, ...) FUNC_ATTR_UNUSED +/// @param context description of a shared context or subsystem +/// @param func_name function name, or NULL +/// @param line_num source line number, or -1 +bool do_log(int log_level, const char *context, const char *func_name, + int line_num, bool eol, const char* fmt, ...) + FUNC_ATTR_UNUSED { if (log_level < MIN_LOG_LEVEL) { return false; @@ -112,8 +116,8 @@ bool do_log(int log_level, const char *func_name, int line_num, bool eol, va_list args; va_start(args, fmt); - ret = v_do_log_to_file(log_file, log_level, func_name, line_num, eol, - fmt, args); + ret = v_do_log_to_file(log_file, log_level, context, func_name, line_num, + eol, fmt, args); va_end(args); if (log_file != stderr && log_file != stdout) { @@ -151,7 +155,7 @@ FILE *open_log_file(void) static bool opening_log_file = false; // check if it's a recursive call if (opening_log_file) { - do_log_to_file(stderr, ERROR_LOG_LEVEL, __func__, __LINE__, true, + do_log_to_file(stderr, ERROR_LOG_LEVEL, NULL, __func__, __LINE__, true, "Cannot LOG() recursively."); return stderr; } @@ -171,7 +175,7 @@ FILE *open_log_file(void) // - LOG() is called before early_init() // - Directory does not exist // - File is not writable - do_log_to_file(stderr, ERROR_LOG_LEVEL, __func__, __LINE__, true, + do_log_to_file(stderr, ERROR_LOG_LEVEL, NULL, __func__, __LINE__, true, "Logging to stderr, failed to open $" LOG_FILE_ENV ": %s", log_file_path); return stderr; @@ -201,7 +205,7 @@ void log_callstack_to_file(FILE *log_file, const char *const func_name, // Now we have a command string like: // addr2line -e /path/to/exe -f -p 0x123 0x456 ... - do_log_to_file(log_file, DEBUG_LOG_LEVEL, func_name, line_num, true, + do_log_to_file(log_file, DEBUG_LOG_LEVEL, NULL, func_name, line_num, true, "trace:"); FILE *fp = popen(cmdbuf, "r"); char linebuf[IOSIZE]; @@ -230,22 +234,23 @@ end: } #endif -static bool do_log_to_file(FILE *log_file, int log_level, +static bool do_log_to_file(FILE *log_file, int log_level, const char *context, const char *func_name, int line_num, bool eol, const char* fmt, ...) { va_list args; va_start(args, fmt); - bool ret = v_do_log_to_file(log_file, log_level, func_name, line_num, eol, - fmt, args); + bool ret = v_do_log_to_file(log_file, log_level, context, func_name, + line_num, eol, fmt, args); va_end(args); return ret; } static bool v_do_log_to_file(FILE *log_file, int log_level, - const char *func_name, int line_num, bool eol, - const char* fmt, va_list args) + const char *context, const char *func_name, + int line_num, bool eol, const char* fmt, + va_list args) { static const char *log_levels[] = { [DEBUG_LOG_LEVEL] = "DEBUG", @@ -268,8 +273,15 @@ static bool v_do_log_to_file(FILE *log_file, int log_level, // print the log message prefixed by the current timestamp and pid int64_t pid = os_get_pid(); - if (fprintf(log_file, "%s %s %" PRId64 "/%s:%d: ", date_time, - log_levels[log_level], pid, func_name, line_num) < 0) { + int rv = (line_num == -1 || func_name == NULL) + ? fprintf(log_file, "%s %s %" PRId64 " %s", date_time, + log_levels[log_level], pid, + (context == NULL ? "?:" : context)) + : fprintf(log_file, "%s %s %" PRId64 " %s%s:%d: ", date_time, + log_levels[log_level], pid, + (context == NULL ? "" : context), + func_name, line_num); + if (rv < 0) { return false; } if (vfprintf(log_file, fmt, args) < 0) { |