82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*****************************************************************************
|
|
* asa: portable digital subtitle renderer
|
|
*****************************************************************************
|
|
* Copyright (C) 2007 David Lamparter
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
****************************************************************************/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "acconf.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#ifdef HAVE_SYS_MMAN_H
|
|
#include <sys/mman.h>
|
|
#endif
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
#include "subhelp.h"
|
|
#include <csri/openerr.h>
|
|
|
|
csri_inst *subhelp_open_file(csri_rend *renderer,
|
|
csri_inst *(*memopenfunc)(csri_rend *renderer, const void *data,
|
|
size_t length, struct csri_openflag *flags),
|
|
const char *filename, struct csri_openflag *flags)
|
|
{
|
|
csri_inst *rv = NULL;
|
|
void *data;
|
|
int fd;
|
|
struct stat st;
|
|
struct csri_openflag *err;
|
|
|
|
fd = open(filename, O_RDONLY);
|
|
if (fd == -1)
|
|
goto out_err;
|
|
if (fstat(fd, &st)
|
|
|| !(data = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE,
|
|
fd, 0))) {
|
|
close(fd);
|
|
goto out_err;
|
|
}
|
|
|
|
rv = memopenfunc(renderer, data, st.st_size, flags);
|
|
|
|
munmap(data, st.st_size);
|
|
close(fd);
|
|
return rv;
|
|
|
|
out_err:
|
|
for (err = flags; err; err = err->next)
|
|
if (!strcmp(err->name, CSRI_EXT_OPENERR))
|
|
break;
|
|
if (err) {
|
|
struct csri_openerr_flag *errd = (struct csri_openerr_flag *)
|
|
err->data.otherval;
|
|
errd->flags = CSRI_OPENERR_FILLED | CSRI_OPENERR_ERRNO;
|
|
errd->posixerrno = errno;
|
|
}
|
|
return NULL;
|
|
}
|
|
|