92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
#define _POSIX_C_SOURCE 199506L
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <wlr/util/log.h>
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#include "util/defs.h"
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static bool colored = true;
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static log_importance_t log_importance = L_ERROR;
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static const char *verbosity_colors[] = {
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[L_SILENT] = "",
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[L_ERROR ] = "\x1B[1;31m",
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[L_INFO ] = "\x1B[1;34m",
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[L_DEBUG ] = "\x1B[1;30m",
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};
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void wlr_log_stderr(log_importance_t verbosity, const char *fmt, va_list args) {
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if (verbosity > log_importance) {
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return;
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}
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// prefix the time to the log message
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struct tm result;
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time_t t = time(NULL);
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struct tm *tm_info = localtime_r(&t, &result);
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char buffer[26];
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// generate time prefix
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strftime(buffer, sizeof(buffer), "%F %T - ", tm_info);
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fprintf(stderr, "%s", buffer);
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unsigned c = (verbosity < L_LAST) ? verbosity : L_LAST - 1;
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if (colored && isatty(STDERR_FILENO)) {
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fprintf(stderr, "%s", verbosity_colors[c]);
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}
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vfprintf(stderr, fmt, args);
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if (colored && isatty(STDERR_FILENO)) {
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fprintf(stderr, "\x1B[0m");
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}
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fprintf(stderr, "\n");
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}
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static log_callback_t log_callback = wlr_log_stderr;
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WLR_API
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void wlr_log_init(log_importance_t verbosity, log_callback_t callback) {
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if (verbosity < L_LAST) {
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log_importance = verbosity;
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}
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if (callback) {
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log_callback = callback;
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}
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}
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WLR_API
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void _wlr_vlog(log_importance_t verbosity, const char *fmt, va_list args) {
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log_callback(verbosity, fmt, args);
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}
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WLR_API
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void _wlr_log(log_importance_t verbosity, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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log_callback(verbosity, fmt, args);
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va_end(args);
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}
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// strips the path prefix from filepath
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// will try to strip WLR_SRC_DIR as well as a relative src dir
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// e.g. '/src/build/wlroots/backend/wayland/backend.c' and
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// '../backend/wayland/backend.c' will both be stripped to
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// 'backend/wayland/backend.c'
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WLR_API
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const char *_strip_path(const char *filepath) {
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static int srclen = sizeof(WLR_SRC_DIR);
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if (strstr(filepath, WLR_SRC_DIR) == filepath) {
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filepath += srclen;
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} else if (*filepath == '.') {
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while (*filepath == '.' || *filepath == '/') {
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++filepath;
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}
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}
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return filepath;
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}
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