/* * Copyright (C) 2000-2003 the xine project * * This file is part of xine, a free video player. * * xine 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. * * xine 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 * * $Id: scratch.c,v 1.16 2003/12/09 00:02:37 f1rmb Exp $ * * top-level xine functions * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include /* For memset */ #define LOG_MODULE "scratch" #define LOG_VERBOSE /* #define LOG */ #include "scratch.h" #include "xineutils.h" static void scratch_printf (scratch_buffer_t *this, const char *format, va_list argp) { vsnprintf (this->lines[this->cur], SCRATCH_LINE_LEN_MAX, format, argp); lprintf ("printing format %s to line %d\n", format, this->cur); this->cur = (this->cur + 1) % this->num_lines; } static const char **scratch_get_content (scratch_buffer_t *this) { int i, j; for(i = 0, j = (this->cur - 1); i < this->num_lines; i++, j--) { if(j < 0) j = (this->num_lines - 1); this->ordered[i] = this->lines[j]; lprintf ("line %d contains >%s<\n", i , this->lines[j]); } return this->ordered; } static void scratch_dispose (scratch_buffer_t *this) { char *mem; int i; mem = (char *) this->lines[0]; free(mem); for(i = 0; i < this->num_lines; i++ ) this->lines[i] = NULL; free (this->lines); free (this->ordered); free (this); } scratch_buffer_t *_x_new_scratch_buffer (int num_lines) { scratch_buffer_t *this; int i; char *mem; this = xine_xmalloc (sizeof (scratch_buffer_t)); this->lines = xine_xmalloc (sizeof (char *) * (num_lines + 1)); this->ordered = xine_xmalloc (sizeof (char *) * (num_lines + 1)); mem = (char *) xine_xmalloc((sizeof(char) * SCRATCH_LINE_LEN_MAX) * num_lines); for (i = 0; i < num_lines; i++) this->lines[i] = (char *) (mem + (i * SCRATCH_LINE_LEN_MAX)); this->ordered[i] = NULL; this->lines[i] = NULL; this->scratch_printf = scratch_printf; this->get_content = scratch_get_content; this->dispose = scratch_dispose; this->num_lines = num_lines; this->cur = 0; return this; }