/*****************************************************************************

 qprintf.c - module to emulate a printf with a possible quiet (disable mode.)

 A global variable GifNoisyPrint controls the printing of this routine

SPDX-License-Identifier: MIT

*****************************************************************************/

#include <stdio.h>

#include <stdbool.h>

#include <stdarg.h>

#include "gif_lib.h"

bool GifNoisyPrint = false;

/*****************************************************************************

 Same as fprintf to stderr but with optional print.

******************************************************************************/

void

GifQprintf(char *Format, ...) {

    va_list ArgPtr;

    va_start(ArgPtr, Format);

    if (GifNoisyPrint) {

  char Line[128];

  (void)vsnprintf(Line, sizeof(Line), Format, ArgPtr);

  (void)fputs(Line, stderr);

    }

    va_end(ArgPtr);

}

void

PrintGifError(int ErrorCode) {

    const char *Err = GifErrorString(ErrorCode);

    if (Err != NULL)

        fprintf(stderr, "GIF-LIB error: %s.\n", Err);

    else

        fprintf(stderr, "GIF-LIB undefined error %d.\n", ErrorCode);

}

/* end */