1 files changed, 134 insertions, 0 deletions
diff --git a/source/blender/windowmanager/intern/wm_report.c b/source/blender/windowmanager/intern/wm_report.c
new file mode 100644
index 00000000000..3be991e12e4
--- /dev/null
+++ b/source/blender/windowmanager/intern/wm_report.c
@@ -0,0 +1,134 @@
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_windowmanager_types.h"
+
+#include "BLI_blenlib.h"
+
+#include "BKE_global.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#ifdef _WIN32
+#ifndef vsnprintf
+#define vsnprintf _vsnprintf
+#endif
+#endif
+
+static int wmReportLevel= WM_LOG_INFO;
+static int wmReportPrint= 0;
+
+static const char *wm_report_type_str(int type)
+{
+	switch(type) {
+		case WM_LOG_DEBUG: return "Debug";
+		case WM_LOG_INFO: return "Info";
+		case WM_LOG_WARNING: return "Warning";
+		case WM_ERROR_UNDEFINED: return "Error";
+		case WM_ERROR_INVALID_INPUT: return "Invalid Input Error";
+		case WM_ERROR_INVALID_CONTEXT: return "Invalid Context Error";
+		case WM_ERROR_OUT_OF_MEMORY: return "Out Of Memory Error";
+		default: return "Undefined Type";
+	}
+}
+
+static void wm_print_report(wmReport *report)
+{
+	printf("%s: %s\n", report->typestr, report->message);
+	fflush(stdout); /* this ensures the message is printed before a crash */
+}
+
+void WM_report(bContext *C, int type, const char *message)
+{
+	wmReport *report;
+	int len;
+
+	if(!C->wm) {
+		fprintf(stderr, "WM_report: can't report without windowmanager.\n");
+		return;
+	}
+	if(type < wmReportLevel)
+		return;
+
+	report= MEM_callocN(sizeof(wmReport), "wmReport");
+	report->type= type;
+	report->typestr= wm_report_type_str(type);
+
+	len= strlen(message);
+	report->message= MEM_callocN(sizeof(char)*(len+1), "wmReportMessage");
+	memcpy(report->message, message, sizeof(char)*(len+1));
+
+	if(wmReportPrint)
+		wm_print_report(report);
+	
+	BLI_addtail(&C->wm->reports, report);
+}
+
+void WM_reportf(bContext *C, int type, const char *format, ...)
+{
+	wmReport *report;
+	va_list args;
+	char *message;
+	int len= 256, maxlen= 65536, retval;
+
+	if(!C->wm) {
+		fprintf(stderr, "WM_report: can't report without windowmanager.\n");
+		return;
+	}
+	if(type < wmReportLevel)
+		return;
+
+	while(1) {
+		message= MEM_callocN(sizeof(char)*len+1, "wmReportMessage");
+
+		va_start(args, format);
+		retval= vsnprintf(message, len, format, args);
+		va_end(args);
+
+		if(retval == -1) {
+			/* -1 means not enough space, but on windows it may also mean
+			 * there is a formatting error, so we impose a maximum length */
+			MEM_freeN(message);
+			message= NULL;
+
+			len *= 2;
+			if(len > maxlen) {
+				fprintf(stderr, "WM_report message too long or format error.\n");
+				break;
+			}
+		}
+		else if(retval > len) {
+			/* in C99 the actual length required is returned */
+			MEM_freeN(message);
+			message= NULL;
+
+			len= retval;
+		}
+		else
+			break;
+	}
+
+	if(message) {
+		report= MEM_callocN(sizeof(wmReport), "wmReport");
+		report->type= type;
+		report->typestr= wm_report_type_str(type);
+		report->message= message;
+
+		if(wmReportPrint)
+			wm_print_report(report);
+
+		BLI_addtail(&C->wm->reports, report);
+	}
+}
+
+void wm_report_free(wmReport *report)
+{
+	MEM_freeN(report->message);
+	MEM_freeN(report);
+}
+