log functions added and implemented

git-svn-id: svn://localhost/project_picapica/trunk@136 fb96df88-216d-11de-830c-f3023f12d8ac

2 files changed, 124 insertions, 0 deletions

diff --git a/PICA_log.c b/PICA_log.c
new file mode 100644
index 0000000..81ea39c
--- /dev/null
+++ b/PICA_log.c
@@ -0,0 +1,99 @@
+#include "PICA_log.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static int PICA_loglevel = PICA_LOG_INFO;
+
+void PICA_fatal(const char *fmt,...)
+{
+va_list args;
+
+va_start(args, fmt);
+PICA_log_entry(PICA_LOG_FATAL, fmt, args);
+va_end(args);
+exit(-1);
+}
+
+void PICA_error(const char *fmt,...)
+{
+va_list args;
+
+va_start(args, fmt);
+PICA_log_entry(PICA_LOG_ERROR, fmt, args);
+va_end(args);
+}
+
+void PICA_warn(const char *fmt,...)
+{
+va_list args;
+
+va_start(args, fmt);
+PICA_log_entry(PICA_LOG_WARN, fmt, args);
+va_end(args);
+}
+
+void PICA_info(const char *fmt,...)
+{
+va_list args;
+
+va_start(args, fmt);
+PICA_log_entry(PICA_LOG_INFO, fmt, args);
+va_end(args);
+}
+
+void PICA_debug1(const char *fmt,...)
+{
+if (PICA_loglevel >= PICA_LOG_DBG1) 
+	{
+	va_list args;
+
+	va_start(args, fmt);
+	PICA_log_entry(PICA_LOG_DBG1, fmt, args);
+	va_end(args);
+	}
+}
+
+void PICA_debug2(const char *fmt,...)
+{
+if (PICA_loglevel >= PICA_LOG_DBG2) 
+	{
+	va_list args;
+
+	va_start(args, fmt);
+	PICA_log_entry(PICA_LOG_DBG2, fmt, args);
+	va_end(args);
+	}
+}
+
+void PICA_debug3(const char *fmt,...)
+{
+if (PICA_loglevel >= PICA_LOG_DBG3)
+	{
+	va_list args;
+
+	va_start(args, fmt);
+	PICA_log_entry(PICA_LOG_DBG3, fmt, args);
+	va_end(args);
+	}
+}
+
+void PICA_log_entry(int loglevel, const char *fmt, va_list args)
+{
+static char buf[1024];
+static const char *loglevel_txt[] = {"fatal", "error", "warning", "info", "debug1", "debug2", "debug3"};
+FILE *log_file = stdout;
+
+if (loglevel <= PICA_LOG_WARN)
+	log_file = stderr;
+
+sprintf(buf, "%s: %.1000s\n", loglevel_txt[loglevel - PICA_LOG_FATAL], fmt);
+
+vfprintf(log_file, buf, args);
+}
+
+void PICA_set_loglevel(int loglevel)
+{
+if (loglevel >= PICA_LOG_FATAL && loglevel <= PICA_LOG_DBG3)
+	PICA_loglevel = loglevel;
+}
\ No newline at end of file
diff --git a/PICA_log.h b/PICA_log.h
new file mode 100644
index 0000000..46c80a4
--- /dev/null
+++ b/PICA_log.h
@@ -0,0 +1,25 @@
+#ifndef PICA_LOG_H
+#define PICA_LOG_H
+
+#include <stdarg.h>
+
+#define PICA_LOG_FATAL  31337
+#define PICA_LOG_ERROR 31338
+#define PICA_LOG_WARN 31339
+#define PICA_LOG_INFO 31340
+#define PICA_LOG_DBG1 31341
+#define PICA_LOG_DBG2 31342
+#define PICA_LOG_DBG3 31343
+
+void PICA_fatal(const char *fmt,...);
+void PICA_error(const char *fmt,...);
+void PICA_warn(const char *fmt,...);
+void PICA_info(const char *fmt,...);
+void PICA_debug1(const char *fmt,...);
+void PICA_debug2(const char *fmt,...);
+void PICA_debug3(const char *fmt,...);
+
+void PICA_log_entry(int loglevel, const char *fmt, va_list args);
+
+void PICA_set_loglevel(int loglevel);
+#endif