2005-11-23 01:37:30 +00:00
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/**
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* Logging facility for debug/info messages.
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2008-06-06 22:10:22 +01:00
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* _EGL_FATAL messages are printed to stderr
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* The EGL_LOG_LEVEL var controls the output of other warning/info/debug msgs.
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2005-11-23 01:37:30 +00:00
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*/
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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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2007-02-20 15:11:11 +00:00
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#include <string.h>
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2005-11-23 01:37:30 +00:00
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#include "egllog.h"
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#define MAXSTRING 1000
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2008-06-06 22:10:22 +01:00
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#define FALLBACK_LOG_LEVEL _EGL_WARNING
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#define FALLBACK_LOG_LEVEL_STR "warning"
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2005-11-23 01:37:30 +00:00
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2007-02-20 15:11:11 +00:00
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static EGLint ReportingLevel = -1;
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2005-11-23 01:37:30 +00:00
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2007-02-20 15:11:11 +00:00
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static void
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2008-06-06 22:10:22 +01:00
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log_level_initialize(void)
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2007-02-20 15:11:11 +00:00
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{
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2008-06-06 22:10:22 +01:00
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char *log_env = getenv("EGL_LOG_LEVEL");
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2007-02-20 15:11:11 +00:00
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if (log_env == NULL) {
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ReportingLevel = FALLBACK_LOG_LEVEL;
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}
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2008-06-06 22:10:22 +01:00
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else if (strcasecmp(log_env, "fatal") == 0) {
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2007-02-20 15:11:11 +00:00
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ReportingLevel = _EGL_FATAL;
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}
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2008-06-06 22:10:22 +01:00
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else if (strcasecmp(log_env, "warning") == 0) {
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2007-02-20 15:11:11 +00:00
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ReportingLevel = _EGL_WARNING;
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}
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2008-06-06 22:10:22 +01:00
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else if (strcasecmp(log_env, "info") == 0) {
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2007-02-20 15:11:11 +00:00
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ReportingLevel = _EGL_INFO;
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}
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2008-06-06 22:10:22 +01:00
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else if (strcasecmp(log_env, "debug") == 0) {
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2007-02-20 15:11:11 +00:00
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ReportingLevel = _EGL_DEBUG;
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}
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else {
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2008-06-06 22:10:22 +01:00
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fprintf(stderr, "Unrecognized EGL_LOG_LEVEL environment variable value. "
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"Expected one of \"fatal\", \"warning\", \"info\", \"debug\". "
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"Got \"%s\". Falling back to \"%s\".\n",
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log_env, FALLBACK_LOG_LEVEL_STR);
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2007-02-20 15:11:11 +00:00
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ReportingLevel = FALLBACK_LOG_LEVEL;
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}
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}
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2005-11-23 01:37:30 +00:00
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/**
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* Log a message to stderr.
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* \param level one of _EGL_FATAL, _EGL_WARNING, _EGL_INFO, _EGL_DEBUG.
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*/
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void
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_eglLog(EGLint level, const char *fmtStr, ...)
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{
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va_list args;
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char msg[MAXSTRING];
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const char *levelStr;
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2007-02-20 15:11:11 +00:00
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static int log_level_initialized = 0;
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if (!log_level_initialized) {
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2008-06-06 22:10:22 +01:00
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log_level_initialize();
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2007-02-20 15:11:11 +00:00
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log_level_initialized = 1;
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}
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2005-11-23 01:37:30 +00:00
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if (level <= ReportingLevel) {
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switch (level) {
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case _EGL_FATAL:
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levelStr = "Fatal";
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break;
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case _EGL_WARNING:
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levelStr = "Warning";
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break;
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case _EGL_INFO:
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levelStr = "Info";
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break;
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case _EGL_DEBUG:
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levelStr = "Debug";
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break;
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default:
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levelStr = "";
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}
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va_start(args, fmtStr);
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vsnprintf(msg, MAXSTRING, fmtStr, args);
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va_end(args);
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2008-06-06 22:10:22 +01:00
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fprintf(stderr, "libEGL %s: %s\n", levelStr, msg);
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2005-11-23 01:37:30 +00:00
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if (level == _EGL_FATAL) {
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exit(1); /* or abort()? */
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}
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}
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}
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