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utils.c

/* vifm
 * Copyright (C) 2001 Ken Steen.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */


#include<stdio.h>
#include<sys/time.h>
#include <unistd.h>
#include<stdlib.h>
#include<signal.h>
#include<string.h>
#include<sys/stat.h>

#include "ui.h"
#include "status.h"


/* Checks for a NULL pointer before calling free() */
void
my_free(void *stuff)
{
      if(stuff != NULL)
            free(stuff);
}

int
is_dir(char *file)
{
      struct stat statbuf;
      stat(file, &statbuf);

      if(S_ISDIR(statbuf.st_mode))
            return 1;
      else
            return 0;
}

void *
duplicate (void *stuff, int size)
{
  void *new_stuff = (void *) malloc (size);
  memcpy (new_stuff, stuff, size);
  return new_stuff;
}

/*
 * Escape the filename for the purpose of inserting it into the shell.
 */
char *
escape_filename(const char *string, int quote_percent)
{
    char *ret, *dup;

    dup = ret = (char *)malloc (strlen (string) * 2 + 2 + 1);

            if (*string == '-')
            {
                  *dup++ = '.';
                  *dup++ = '/';
            }

    for (; *string; string++, dup++)
            {
                  switch (*string) 
                  {
                        case '%':
                              if (quote_percent)
                                    *dup++ = '%';
                              break;
                        case '\'':
                        case '\\':
                        case '\r':
                        case '\n':
                        case '\t':
                        case '"':
                        case ';':
                        case ' ':
                        case '?':
                        case '|':
                        case '[':
                        case ']':
                        case '{':
                        case '}':
                        case '<':
                        case '>':
                        case '`':
                        case '!':
                        case '$':
                        case '&':
                        case '*':
                        case '(':
                        case ')':
                                    *dup++ = '\\';
                                    break;
                        case '~':
                        case '#':
                                    if (dup == ret)
                                          *dup++ = '\\';
                                    break;
            }
            *dup = *string;
  }
  *dup = '\0';
  return ret;
}

void
chomp(char *text)
{
      if(text[strlen(text) -1] == '\n')
            text[strlen(text) -1] = '\0';
}


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