+#include <log.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+#include <stdarg.h>
+#include <time.h>
+
+// escape codes for different colors on the terminal
+#define FG_RED "\033[31m"
+#define FG_YELLOW "\033[33m"
+#define FG_BLUE "\033[34m"
+#define FG_PURPLE "\033[35m"
+#define TEXT_BOLD "\033[1m"
+#define COLOR_END "\033[0m" // reset colors to default
+
+static FILE *_logging_files[16] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };
+static int _log_current_mode, _current_log_file = 1;
+
+FILE *set_log_file(char *filename)
+{
+ if (_current_log_file+1 > 16) return NULL; // we only support 16 different files
+ _logging_files[_current_log_file++] = fopen(filename, "a+");
+ return _logging_files[_current_log_file];
+}
+
+void set_log_mode(int mode)
+{
+ _log_current_mode = mode;
+}
+
+void get_log_mode()
+{
+ return _log_current_mode;
+}
+
+// this function is headache-inducing.
+void _print_log(int loglevel, char *file, const char *func, char *clock, int line, char *msg, ...)
+{
+ _logging_files[0] = stdout;
+ va_list args;
+ va_start(args, msg);
+
+ // append the varargs to the buffer we want to print.
+ // this is so that our pipe chars don't get fucked later.
+ // also, make sure we don't get an invalid loglevel.
+ char buffer[strlen(msg) + 1024];
+ vsnprintf(buffer, strlen(msg)+1024, msg, args);
+ if (loglevel < 0 || loglevel > 3) loglevel = LOG_INVALID;
+
+ // set console color for printing the tag
+ switch (loglevel) {
+ case LOG_CRITICAL:
+ printf(TEXT_BOLD FG_RED);
+ break;
+ case LOG_ERROR:
+ printf(FG_RED);
+ break;
+ case LOG_WARNING:
+ printf(FG_YELLOW);
+ break;
+ case LOG_INFO:
+ printf(FG_BLUE);
+ break;
+ case LOG_INVALID:
+ printf(FG_PURPLE);
+ break;
+ }
+ // print the log tag
+ int i;
+ for (i=0; i < 16; i++)
+ if (_logging_files[i])
+ fprintf(_logging_files[i], "%s", log_tags[_log_current_mode][loglevel]);
+ else break;
+ printf(COLOR_END);
+
+ if (_log_current_mode == LOG_VERBOSE) {
+ for (i=0; i < 16; i++)
+ if (_logging_files[i])
+ fprintf(_logging_files[i],
+ "%s() (%s:%d) at %s |\t",
+ func, file, line, clock);
+ else break;
+ }
+
+ // print the first line
+ char *to_print = strtok(buffer, "\n");
+ for (i = 0; i < 16; i++)
+ if (_logging_files[i])
+ fprintf(_logging_files[i], "%s\n", to_print);
+ else break;
+
+ // for these next lines, add a pipe and tab once.
+ while (to_print = strtok(NULL, "\n")) {
+ for (i = 0; i < 16; i++)
+ if (_logging_files[i])
+ fprintf(_logging_files[i], "%s\n", to_print);
+ else break;
+ }
+}