X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;ds=sidebyside;f=src%2F3dengfx%2Fsrc%2Fcommon%2Ferr_msg.c;fp=src%2F3dengfx%2Fsrc%2Fcommon%2Ferr_msg.c;h=78ddd63e6c584c9409eda48b4b78f43bb2051315;hb=6e23259dbabaeb1711a2a5ca25b9cb421f693759;hp=0000000000000000000000000000000000000000;hpb=fe068fa879814784c45e0cb2e65dac489e8f5594;p=summerhack

diff --git a/src/3dengfx/src/common/err_msg.c b/src/3dengfx/src/common/err_msg.c
new file mode 100644
index 0000000..78ddd63
--- /dev/null
+++ b/src/3dengfx/src/common/err_msg.c
@@ -0,0 +1,164 @@
+/*
+Copyright (c) 2004, 2005 John Tsiombikas <nuclear@siggraph.org>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/* Error messages and logging
+ *
+ * Author: John Tsiombikas 2004
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include "err_msg.h"
+
+#ifdef _MSC_VER
+#define vsnprintf(str, size, format, ap)	vsprintf(str, format, ap)
+#else
+int vsnprintf(char *str, size_t size, const char *format, va_list ap);
+#endif
+
+/* verbosity setting:
+ * 0 = do not output anything
+ * 1 = output only errors
+ * 2 = output errors and warnings
+ * 3 = output errors, warnings and informative messages
+ */
+
+static int verbosity = 3;
+static int log_verbosity = 4;
+
+static FILE *log_file;
+
+#define ERR_BUF_SIZE	4096
+static char err_buf[ERR_BUF_SIZE];
+
+#define MAX_LOG_FNAME	256
+static char log_fname[MAX_LOG_FNAME];
+
+static const char *default_log_fname(void) {
+#if defined(unix) || defined(__unix__)
+	return "/tmp/3dengfx.log";
+#elif defined(WIN32) || defined(__WIN32__)
+	return "3dengfx.log";
+#else
+	return "3dengfx.log";
+#endif
+}
+
+static int open_log_file() {
+	if(log_fname[0] == 0) {
+		set_log_filename(default_log_fname());
+	}
+	
+	if((log_file = fopen(log_fname, "a"))) {
+		setbuf(log_file, 0);
+	} else {
+		int prev_lv = log_verbosity;
+		log_verbosity = 0;
+		warning("could not open %s for writing", log_fname);
+		log_verbosity = prev_lv;
+	}
+
+	return log_file == 0 ? -1 : 0;
+}
+
+static void close_log_file() {
+	fclose(log_file);
+}
+
+void set_log_filename(const char *fname) {
+	strncpy(log_fname, fname, MAX_LOG_FNAME-1);
+}
+
+const char *get_log_filename(void) {
+	if(!*log_fname) {
+		return default_log_fname();
+	}
+	return log_fname;
+}
+
+void set_verbosity(int v) {
+	verbosity = v;
+}
+
+void set_log_verbosity(int v) {
+	log_verbosity = v;
+}
+
+void error(const char *str, ...) {
+	va_list arg_list;
+
+	strcpy(err_buf, "E: ");
+		
+	va_start(arg_list, str);
+	vsnprintf(err_buf+3, ERR_BUF_SIZE, str, arg_list);
+	va_end(arg_list);
+	
+	if(verbosity > 0) {
+		fputs(err_buf, stderr);
+		fputc('\n', stderr);
+	}
+
+	if(log_verbosity > 0 && open_log_file() != -1) {
+		fputs(err_buf, log_file);
+		fputc('\n', log_file);
+		close_log_file();
+	}
+}
+
+void warning(const char *str, ...) {
+	va_list arg_list;
+
+	strcpy(err_buf, "W: ");
+	
+	va_start(arg_list, str);
+	vsnprintf(err_buf+3, ERR_BUF_SIZE, str, arg_list);
+	va_end(arg_list);
+	
+	if(verbosity > 1) {
+		fputs(err_buf, stderr);
+		fputc('\n', stderr);
+	}
+
+	if(log_verbosity > 1 && open_log_file() != -1) {
+		fputs(err_buf, log_file);
+		fputc('\n', log_file);
+		close_log_file();
+	}
+}
+
+void info(const char *str, ...) {
+	va_list arg_list;
+
+	strcpy(err_buf, "I: ");
+	
+	va_start(arg_list, str);
+	vsnprintf(err_buf+3, ERR_BUF_SIZE, str, arg_list);
+	va_end(arg_list);
+	
+	if(verbosity > 2) {
+		fputs(err_buf, stdout);
+		fputc('\n', stdout);
+	}
+
+	if(log_verbosity > 2 && open_log_file() != -1) {
+		fputs(err_buf, log_file);
+		fputc('\n', log_file);
+		close_log_file();
+	}
+}