Make file reading function common

This commit is contained in:
Nikita Zlobin 2010-10-18 16:32:14 +06:00
parent 416c65254b
commit 9e0b654848
4 changed files with 109 additions and 39 deletions

72
common/file.c Normal file
View File

@ -0,0 +1,72 @@
/* -*- Mode: C ; c-basic-offset: 2 -*- */
/*
* LADI Session Handler (ladish)
*
* Copyright (C) 2010 Nedko Arnaudov <nedko@arnaudov.name>
* Copyright (C) 2010 Nikita Zlobin <cook60020tmp@mail.ru>
*
**************************************************************************
* This file contains the code that implements the about dialog
**************************************************************************
*
* LADI Session Handler 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.
*
* LADI Session Handler 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 LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "file.h"
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
char * read_file_contents(const char * filename)
{
int fd;
struct stat st;
char * buffer;
if (stat(filename, &st) != 0)
{
return NULL;
}
fd = open(filename, O_RDONLY);
if (fd == -1)
{
return NULL;
}
buffer = malloc(st.st_size + 1);
if (buffer == NULL)
{
close(fd);
return NULL;
}
if (read(fd, buffer, (size_t)st.st_size) != (ssize_t)st.st_size)
{
free(buffer);
buffer = NULL;
}
else
{
buffer[st.st_size] = 0;
}
close(fd);
return buffer;
}

34
common/file.h Normal file
View File

@ -0,0 +1,34 @@
/* -*- Mode: C ; c-basic-offset: 2 -*- */
/*
* LADI Session Handler (ladish)
*
* Copyright (C) 2010 Nedko Arnaudov <nedko@arnaudov.name>
* Copyright (C) 2010 Nikita Zlobin <cook60020tmp@mail.ru>
*
**************************************************************************
* This file contains the code that implements the about dialog
**************************************************************************
*
* LADI Session Handler 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.
*
* LADI Session Handler 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 LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __LADISH_COMMON_FILE_H
#define __LADISH_COMMON_FILE_H
char * read_file_contents(const char * filename);
#endif

View File

@ -34,47 +34,10 @@
#include "gtk_builder.h"
#include "version.h"
#include "../common/file.h"
#define ABOUT_DIALOG_LOGO "ladish-logo-128x128.png"
static char * read_file_contents(const char * filename)
{
int fd;
struct stat st;
char * buffer;
if (stat(filename, &st) != 0)
{
return NULL;
}
fd = open(filename, O_RDONLY);
if (fd == -1)
{
return NULL;
}
buffer = malloc(st.st_size + 1);
if (buffer == NULL)
{
close(fd);
return NULL;
}
if (read(fd, buffer, (size_t)st.st_size) != (ssize_t)st.st_size)
{
free(buffer);
buffer = NULL;
}
else
{
buffer[st.st_size] = 0;
}
close(fd);
return buffer;
}
void show_about(void)
{
GtkWidget * dialog;

View File

@ -540,6 +540,7 @@ def build(bld):
for source in [
'catdup.c',
'file.c',
]:
gladish.source.append(os.path.join("common", source))