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/* common - Useful, general purpose routines
* Copyright (C) 2008-2020 Andrea Bolognani <eof@kiyuko.org>
* This file is part of Cattle
*
* 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, see <https://www.gnu.org/licenses/>.
*
* Homepage: https://kiyuko.org/software/cattle
*/
#include <gio/gio.h>
#include "common.h"
CattleBuffer*
read_file_contents (const gchar *path,
GError **error)
{
CattleBuffer *buffer;
g_autoptr (GFile) file = NULL;
g_autofree gchar *contents = NULL;
GError *inner_error;
gint8 *start;
gsize length;
gboolean success;
g_return_val_if_fail (path != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
file = g_file_new_for_commandline_arg (path);
inner_error = NULL;
success = g_file_load_contents (file,
NULL,
&contents,
&length,
NULL,
&inner_error);
if (!success)
{
g_propagate_error (error,
inner_error);
return NULL;
}
start = (gint8 *) contents;
/* Skip the sha-bang line if present */
if (length >= 2 && contents[0] == '#' && contents[1] == '!')
{
while (length > 0 && start[0] != '\n')
{
start++;
length--;
}
}
buffer = cattle_buffer_new (length);
if (length > 0)
{
cattle_buffer_set_contents (buffer, start);
}
return buffer;
}
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