1 files changed, 63 insertions, 0 deletions
diff --git a/qprintf.c b/qprintf.c
new file mode 100644
index 0000000..9d3dd58
--- /dev/null
+++ b/qprintf.c
@@ -0,0 +1,63 @@
+/*****************************************************************************
+ *   "Gif-Lib" - Yet another gif library.
+ *
+ * Written by:  Gershon Elber            IBM PC Ver 0.1,    Jun. 1989
+ ******************************************************************************
+ * Module to emulate a printf with a possible quiet (disable mode.)
+ * A global variable GifQuietPrint controls the printing of this routine
+ ******************************************************************************
+ * History:
+ * 12 May 91 - Version 1.0 by Gershon Elber.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef HAVE_STDARG_H
+#include <stdarg.h>
+#elif defined (HAVE_VARARGS_H)
+#include <varargs.h>
+#endif /* HAVE_STDARG_H */
+
+#include "gif_lib.h"
+
+#ifdef __MSDOS__
+int GifQuietPrint = FALSE;
+#else
+int GifQuietPrint = TRUE;
+#endif /* __MSDOS__ */
+
+/*****************************************************************************
+ * Same as fprintf to stderr but with optional print.
+ *****************************************************************************/
+#ifdef HAVE_STDARG_H
+void
+GifQprintf(char *Format, ...) {
+    char Line[128];
+    va_list ArgPtr;
+
+    va_start(ArgPtr, Format);
+#else
+#  ifdef HAVE_VARARGS_H
+void
+GifQprintf(va_alist)
+           va_dcl
+{
+    char *Format, Line[128];
+    va_list ArgPtr;
+
+    va_start(ArgPtr);
+    Format = va_arg(ArgPtr, char *);
+#  endif /* HAVE_VARARGS_H */
+#endif /* HAVE_STDARG_H */
+    if (GifQuietPrint)
+        return;
+
+    vsprintf(Line, Format, ArgPtr);
+    va_end(ArgPtr);
+
+    fputs(Line, stderr);
+}