This is a fork of https://github.com/swaywm/sway that replaces pango with https://codeberg.org/dnkl/fcft for font rendering. Note: do not use the master branch; use one of the fontconfig branches
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#define _POSIX_C_SOURCE 200112L
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include "log.h"
static terminate_callback_t log_terminate = exit;
void _sway_abort(const char *format, ...) {
va_list args;
va_start(args, format);
_sway_vlog(SWAY_ERROR, format, args);
va_end(args);
log_terminate(EXIT_FAILURE);
}
bool _sway_assert(bool condition, const char *format, ...) {
if (condition) {
return true;
}
va_list args;
va_start(args, format);
_sway_vlog(SWAY_ERROR, format, args);
va_end(args);
#ifndef NDEBUG
raise(SIGABRT);
#endif
return false;
}
static bool colored = true;
static sway_log_importance_t log_importance = SWAY_ERROR;
static struct timespec start_time = {-1, -1};
static const char *verbosity_colors[] = {
[SWAY_SILENT] = "",
[SWAY_ERROR ] = "\x1B[1;31m",
[SWAY_INFO ] = "\x1B[1;34m",
[SWAY_DEBUG ] = "\x1B[1;90m",
};
static const char *verbosity_headers[] = {
[SWAY_SILENT] = "",
[SWAY_ERROR] = "[ERROR]",
[SWAY_INFO] = "[INFO]",
[SWAY_DEBUG] = "[DEBUG]",
};
static void timespec_sub(struct timespec *r, const struct timespec *a,
const struct timespec *b) {
const long NSEC_PER_SEC = 1000000000;
r->tv_sec = a->tv_sec - b->tv_sec;
r->tv_nsec = a->tv_nsec - b->tv_nsec;
if (r->tv_nsec < 0) {
r->tv_sec--;
r->tv_nsec += NSEC_PER_SEC;
}
}
static void init_start_time(void) {
if (start_time.tv_sec >= 0) {
return;
}
clock_gettime(CLOCK_MONOTONIC, &start_time);
}
static void sway_log_stderr(sway_log_importance_t verbosity, const char *fmt,
va_list args) {
init_start_time();
if (verbosity > log_importance) {
return;
}
struct timespec ts = {0};
clock_gettime(CLOCK_MONOTONIC, &ts);
timespec_sub(&ts, &ts, &start_time);
fprintf(stderr, "%02d:%02d:%02d.%03ld ", (int)(ts.tv_sec / 60 / 60),
(int)(ts.tv_sec / 60 % 60), (int)(ts.tv_sec % 60),
ts.tv_nsec / 1000000);
unsigned c = (verbosity < SWAY_LOG_IMPORTANCE_LAST) ? verbosity :
SWAY_LOG_IMPORTANCE_LAST - 1;
if (colored && isatty(STDERR_FILENO)) {
fprintf(stderr, "%s", verbosity_colors[c]);
} else {
fprintf(stderr, "%s ", verbosity_headers[c]);
}
vfprintf(stderr, fmt, args);
if (colored && isatty(STDERR_FILENO)) {
fprintf(stderr, "\x1B[0m");
}
fprintf(stderr, "\n");
}
void sway_log_init(sway_log_importance_t verbosity, terminate_callback_t callback) {
init_start_time();
if (verbosity < SWAY_LOG_IMPORTANCE_LAST) {
log_importance = verbosity;
}
if (callback) {
log_terminate = callback;
}
}
void _sway_vlog(sway_log_importance_t verbosity, const char *fmt, va_list args) {
sway_log_stderr(verbosity, fmt, args);
}
void _sway_log(sway_log_importance_t verbosity, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
sway_log_stderr(verbosity, fmt, args);
va_end(args);
}