From 294b585994da4427ac98a8353ff41aed5f301d54 Mon Sep 17 00:00:00 2001
From: pk33 <pk33@pk33.space>
Date: Fri, 1 Nov 2024 23:51:15 +0100
Subject: Import and fix old code

---
 src/logger.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 src/logger.c

(limited to 'src/logger.c')

diff --git a/src/logger.c b/src/logger.c
new file mode 100644
index 0000000..c944da8
--- /dev/null
+++ b/src/logger.c
@@ -0,0 +1,77 @@
+#include <linux/vt.h>
+
+#include "fcntl.h"
+#include "stdarg.h"
+#include "errno.h"
+#include "time.h"
+#include "unistd.h"
+#include "stdio.h"
+#include "string.h"
+
+#include "logger.h"
+
+Logger __logger;
+
+
+static char *colours[5] = {
+  "[\x1b[36mDebug\x1b[37m]",
+  "[\x1b[32mInfo\x1b[37m]",
+  "[\x1b[35mWarn\x1b[37m]",
+  "[\x1b[33mError\x1b[37m]",
+  "[\x1b[31mFatal\x1b[37m]",
+};
+
+Size logger_init( void )
+{
+  String logfile[512];
+
+
+  snprintf(logfile, 512, "%s/%s", getenv("HOME"), ".engine33.log");
+
+  __logger.fd = open(logfile, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH  );
+
+  if( __logger.fd < 0 ) {
+    printf( "Unable to initialize logger. Exiting." );
+    return E33_EXIT_FAILURE;
+  }
+
+  __logger.func = 0;
+
+  dprintf( __logger.fd, "\033[3J\033[1;1HWelcome to Engine33!\r\n\r\n" );
+
+  return E33_EXIT_SUCCESS;
+}
+
+void logger_term( void )
+{
+  dprintf( __logger.fd, "\r\n\r\nGoodbye!" );
+  close( __logger.fd );
+}
+
+void logger( Size level, const char *fmt, ... )
+{
+  time_t currentTime;
+  struct tm *m_time;
+
+
+  va_list args;
+  va_start(args, fmt);
+
+  time(&currentTime);
+  m_time = localtime(&currentTime);
+
+  dprintf( __logger.fd, "Engine33 [%02d:%02d:%02d] -", m_time->tm_hour, m_time->tm_min, m_time->tm_sec );
+
+  dprintf( __logger.fd, " %s ", colours[level] );
+  vdprintf(__logger.fd, fmt, args);
+
+  if( (level > LOG_INFO) && errno ) {
+    dprintf( __logger.fd, ". Reason: %s", strerror(errno) );
+    errno = 0;
+  }
+  
+  dprintf( __logger.fd, ".\r\n" );
+
+  va_end(args);
+}
+
-- 
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