2005-06-01 Jeff Muizelaar <jeff@infidigm.net>

	* poppler/Error.cc:
	* poppler/Error.h: Make error handling function setable through
	setErrorFunction.

	Based on a patch by Albert Astals Cid.

1 files changed, 20 insertions, 9 deletions

diff --git a/poppler/Error.cc b/poppler/Error.cc
index 03d29e09..f3b98b95 100644
--- a/poppler/Error.cc
+++ b/poppler/Error.cc
@@ -18,21 +18,32 @@
 #include "GlobalParams.h"
 #include "Error.h"
 
-void CDECL error(int pos, char *msg, ...) {
-  va_list args;
-
-  // NB: this can be called before the globalParams object is created
-  if (globalParams && globalParams->getErrQuiet()) {
-    return;
-  }
+static void CDECL defaultErrorFunction(int pos, char *msg, va_list args)
+{
   if (pos >= 0) {
     fprintf(stderr, "Error (%d): ", pos);
   } else {
     fprintf(stderr, "Error: ");
   }
-  va_start(args, msg);
   vfprintf(stderr, msg, args);
-  va_end(args);
   fprintf(stderr, "\n");
   fflush(stderr);
 }
+
+static void CDECL (*errorFunction)(int , char *, va_list args) = defaultErrorFunction;
+
+void setErrorFunction(void CDECL (* f)(int , char *, va_list args))
+{
+    errorFunction = f;
+}
+
+void CDECL error(int pos, char *msg, ...) {
+  va_list args;
+  // NB: this can be called before the globalParams object is created
+  if (globalParams && globalParams->getErrQuiet()) {
+    return;
+  }
+  va_start(args, msg);
+  (*errorFunction)(pos, msg, args);
+  va_end(args);
+}