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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-xml-utils.c
* Copyright (C) 2000 Helix Code, Inc.
* Author: Chris Lahey <clahey@helixcode.com>
*
* This library 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 library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <glib.h>
#include <gtk/gtkobject.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <ctype.h>
#include "e-util.h"
int
g_str_compare(const void *x, const void *y)
{
return strcmp(x, y);
}
int
g_int_compare(const void *x, const void *y)
{
if ( GPOINTER_TO_INT(x) < GPOINTER_TO_INT(y) )
return -1;
else if ( GPOINTER_TO_INT(x) == GPOINTER_TO_INT(y) )
return 0;
else
return -1;
}
char *
e_strdup_strip(char *string)
{
int i;
int length = 0;
int initial = 0;
for ( i = 0; string[i]; i++ ) {
if (initial == i && isspace(string[i])) {
initial ++;
}
if (!isspace(string[i])) {
length = i - initial + 1;
}
}
return g_strndup(string + initial, length);
}
void
e_free_object_list (GList *list)
{
GList *p;
for (p = list; p != NULL; p = p->next)
gtk_object_unref (GTK_OBJECT (p->data));
g_list_free (list);
}
void
e_free_string_list (GList *list)
{
GList *p;
for (p = list; p != NULL; p = p->next)
g_free (p->data);
g_list_free (list);
}
#define BUFF_SIZE 1024
char *
e_read_file(const char *filename)
{
int fd;
char buffer[BUFF_SIZE];
GList *list = NULL, *list_iterator;
GList *lengths = NULL, *lengths_iterator;
int length = 0;
int bytes;
char *ret_val;
fd = open(filename, O_RDONLY);
if (fd == -1)
return NULL;
bytes = read(fd, buffer, BUFF_SIZE);
while (bytes) {
if (bytes > 0) {
list = g_list_prepend(list, g_strndup(buffer, bytes));
lengths = g_list_prepend(lengths, GINT_TO_POINTER(bytes));
length += bytes;
} else {
if (errno != EINTR) {
close(fd);
g_list_foreach(list, (GFunc) g_free, NULL);
g_list_free(list);
g_list_free(lengths);
return NULL;
}
}
bytes = read(fd, buffer, BUFF_SIZE);
}
ret_val = g_new(char, length + 1);
ret_val[length] = 0;
lengths_iterator = lengths;
list_iterator = list;
for ( ; list_iterator; list_iterator = list_iterator->next, lengths_iterator = lengths_iterator->next) {
int this_length = GPOINTER_TO_INT(lengths_iterator->data);
length -= this_length;
memcpy(ret_val + length, list_iterator->data, this_length);
}
close(fd);
g_list_foreach(list, (GFunc) g_free, NULL);
g_list_free(list);
g_list_free(lengths);
return ret_val;
}
gint
e_write_file(const char *filename, const char *data, int flags)
{
int fd;
int length = strlen(data);
int bytes;
fd = open(filename, flags, 0666);
if (fd == -1)
return errno;
while (length > 0) {
bytes = write(fd, data, length);
if (bytes > 0) {
length -= bytes;
data += bytes;
} else {
if (errno != EINTR && errno != EAGAIN) {
int save_errno = errno;
close(fd);
return save_errno;
}
}
}
close(fd);
return 0;
}
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