First commit ~0,10

G/LIB/QPRINTF.C

@@ -0,0 +1,55 @@
+/*****************************************************************************
+*   "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 quite (disable mode.)           *
+* A global variable GifQuitePrint controls the printing of this routine      *
+******************************************************************************
+* History:								     *
+* 12 May 91 - Version 1.0 by Gershon Elber.				     *
+*****************************************************************************/
+
+#include <stdio.h>
+
+#ifdef USE_VARARGS
+#include <varargs.h>
+#else
+#include <stdarg.h>
+#endif /* USE_VARARGS */
+
+#include "gif_lib.h"
+
+#ifdef __MSDOS__
+int GifQuitePrint = FALSE;
+#else
+int GifQuitePrint = TRUE;
+#endif /* __MSDOS__ */
+
+/*****************************************************************************
+* Same as fprintf to stderr but with optional print.			     *
+*****************************************************************************/
+#ifdef USE_VARARGS
+void GifQprintf(int va_alist)
+{
+    char *Format, Line[128];
+    va_list ArgPtr;
+
+    va_start(ArgPtr);
+    Format = va_arg(ArgPtr, char *);
+#else
+void GifQprintf(char *Format, ...)
+{
+    char Line[128];
+    va_list ArgPtr;
+
+    va_start(ArgPtr, Format);
+#endif /* USE_VARARGS */
+
+    if (GifQuitePrint) return;
+
+    vsprintf(Line, Format, ArgPtr);
+    va_end(ArgPtr);
+
+    fputs(Line, stderr);
+}