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util/log: write log importance 

When colors aren't used, write the log importance to stderr. This makes
it easier to grep for errors and avoids mistaking error messages for
debug messages.
This commit is contained in:
Simon Ser 2020-05-01 16:21:57 +02:00 committed by Drew DeVault
parent 044a9f28d6
commit 904312a0b2
1 changed files with 12 additions and 3 deletions
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9
util/log.c
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@ -20,6 +20,13 @@ static const char *verbosity_colors[] = {
[WLR_DEBUG] = "\x1B[1;30m",
};
static const char *verbosity_headers[] = {
[WLR_SILENT] = "",
[WLR_ERROR] = "[ERROR]",
[WLR_INFO] = "[INFO]",
[WLR_DEBUG] = "[DEBUG]",
};
static void timespec_sub(struct timespec *r, const struct timespec *a,
const struct timespec *b) {
const long NSEC_PER_SEC = 1000000000;
@ -58,6 +65,8 @@ static void log_stderr(enum wlr_log_importance verbosity, const char *fmt,
if (colored && isatty(STDERR_FILENO)) {
fprintf(stderr, "%s", verbosity_colors[c]);
} else {
fprintf(stderr, "%s ", verbosity_headers[c]);
}
vfprintf(stderr, fmt, args);