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Print log level even if STDERR is not a tty 

Makes reading debug logs much easier, debug lines will start with `E`,
info lines with `I` and error lines with `E`.
This commit is contained in:
Calvin Lee 2017-10-20 15:12:28 -06:00
parent b930003008
commit 016261fd64
1 changed files with 18 additions and 5 deletions
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23
common/log.c
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@ -22,6 +22,12 @@ static const char *verbosity_colors[] = {
[L_INFO ] = "\x1B[1;34m",
[L_DEBUG ] = "\x1B[1;30m",
};
static const char verbosity_chars[] = {
[L_SILENT] = '\0',
[L_ERROR ] = 'E',
[L_INFO ] = 'I',
[L_DEBUG ] = 'D',
};
void init_log(log_importance_t verbosity) {
if (verbosity != L_DEBUG) {
@ -62,6 +68,16 @@ void _sway_vlog(const char *filename, int line, log_importance_t verbosity,
static struct tm *tm_info;
char buffer[26];
unsigned int c = verbosity;
if (c > sizeof(verbosity_colors) / sizeof(char *) - 1) {
c = sizeof(verbosity_colors) / sizeof(char *) - 1;
}
// First, if not printing color, show the log level
if (!(colored && isatty(STDERR_FILENO)) && c != L_SILENT) {
fprintf(stderr, "%c: ", verbosity_chars[c]);
}
// get current time
t = time(NULL);
// convert time to local time (determined by the locale)
@ -70,11 +86,6 @@ void _sway_vlog(const char *filename, int line, log_importance_t verbosity,
strftime(buffer, sizeof(buffer), "%x %X - ", tm_info);
fprintf(stderr, "%s", buffer);
unsigned int c = verbosity;
if (c > sizeof(verbosity_colors) / sizeof(char *) - 1) {
c = sizeof(verbosity_colors) / sizeof(char *) - 1;
}
if (colored && isatty(STDERR_FILENO)) {
fprintf(stderr, "%s", verbosity_colors[c]);
}
@ -124,6 +135,8 @@ void sway_log_errno(log_importance_t verbosity, char* format, ...) {
if (colored && isatty(STDERR_FILENO)) {
fprintf(stderr, "%s", verbosity_colors[c]);
} else if (c != L_SILENT) {
fprintf(stderr, "%c: ", verbosity_chars[c]);
}
va_list args;