pdfio_dict_t implementation

pdfio-common.c

@@ -12,3 +12,45 @@
 //
 
 #include "pdfio-private.h"
+
+
+//
+// '_pdfioFileDefaultError()' - Default error callback.
+//
+// The default error callback writes the error message to stderr and returns
+// `false` to halt.
+//
+
+bool					// O - `false` to stop
+_pdfioFileDefaultError(
+    pdfio_file_t *pdf,			// I - PDF file
+    const char   *message,		// I - Error message
+    void         *data)			// I - Callback data (unused)
+{
+  (void)data;
+
+  fprintf(stderr, "%s: %s\n", pdf->filename, message);
+
+  return (false);
+}
+
+
+//
+// '_pdfioFileError()' - Display an error message.
+//
+
+bool					// O - `true` to continue, `false` to stop
+_pdfioFileError(pdfio_file_t *pdf,	// I - PDF file
+                const char   *format,	// I - `printf`-style format string
+                ...)			// I - Additional arguments as needed
+{
+  char		buffer[8192];		// Message buffer
+  va_list	ap;			// Argument pointer
+
+
+  va_start(ap, format);
+  vsnprintf(buffer, sizeof(buffer), format, ap);
+  va_end(ap);
+
+  return ((pdf->error_cb)(pdf, buffer, pdf->error_data));
+}