/*
* utils.c: Functions common to pdfopen and pdfclose.
*
* Copyright (C) 2010--2014 Jim Diamond <[email protected]>
* You may freely use, modify and/or distribute this file.
*/

#include    <stdio.h>
#include    <stdlib.h>
#include    <string.h>
#include    "utils.h"
#include    "xpdfopen.h"
#include    "externs.h"

/*
* Allocate memory and create a window name.
* Return a pointer to the new string or NULL on failure.
*
* The caller is responsible for free()ing the memory allocated here.
*
* Note: acroread (at least AR 7, 8, 9) uses only the basename in the
*       window title.
*       xpdf uses the whole file name.
*       Other PDF viewers may need other treatment.
*/

char *
make_window_name(const char * fmt, const char * filename)
{
   char * window_name;
   const char * title_name;

   title_name = filename;
   if (strrchr(title_name, '/') != NULL
       && strncasecmp(fmt, XPDF_WIN_NAME, strlen(XPDF_WIN_NAME)))
       title_name = strrchr(title_name, '/') + 1;

   window_name = malloc(strlen(fmt) + strlen(title_name) + 1);
   if (window_name != NULL)
       sprintf(window_name, fmt, title_name);
   else
       fprintf(stderr, "%s: out of memory\n", progname);

   return window_name;
}