[PATCH 4 of 8] Redirect errorprintf to output debug string on windows

[Wald Commits]

# HG changeset patch
# User Andre Heinecke <aheinecke at intevation.de>
# Date 1398676769 0
# Node ID 3cf72c5282e8011f9edb268a6b27ad3061a4f10f
# Parent  7f2cb85288d06eb4067683f623717ab83d2350ef
Redirect errorprintf to output debug string on windows

diff -r 7f2cb85288d0 -r 3cf72c5282e8 cinst/windowsstore.c
--- a/cinst/windowsstore.c	Mon Apr 28 09:18:55 2014 +0000
+++ b/cinst/windowsstore.c	Mon Apr 28 09:19:29 2014 +0000
@@ -192,6 +192,7 @@
 
   if (!hStore)
     {
+      ERRORPRINTF ("Failed to access store.\n");
       return ERR_STORE_ACCESS_DENIED;
     }
 
diff -r 7f2cb85288d0 -r 3cf72c5282e8 common/logging.h
--- a/common/logging.h	Mon Apr 28 09:18:55 2014 +0000
+++ b/common/logging.h	Mon Apr 28 09:19:29 2014 +0000
@@ -81,7 +81,17 @@
  *
  * Prints an error to stderr
  */
-#define ERRORPRINTF(fmt, ...) fprintf(stderr, DEBUGPREFIX "ERROR: " fmt, ##__VA_ARGS__);
+#ifdef WIN32
+#  define ERRORPRINTF(fmt, ...) \
+  { \
+    char buf[512]; \
+    snprintf(buf, 511, "ERROR: " fmt, ##__VA_ARGS__); \
+    buf[511] = '\0'; \
+    OutputDebugStringA(buf); \
+  }
+#else
+# define ERRORPRINTF(fmt, ...) fprintf(stderr, DEBUGPREFIX "ERROR: " fmt, ##__VA_ARGS__);
+#endif
 
 #define PRINTLASTERROR(msg) \
   char *my_error = getLastErrorMsg(); \