historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/openbios/fs/iso9660/iso9660_open.c
2024-01-16 11:20:27 -06:00

39 lines
786 B
C

/*
*
* (c) 2005-2009 Laurent Vivier <Laurent@vivier.eu>
*
* This file has been copied from EMILE, http://emile.sf.net
*
*/
#include "libiso9660.h"
iso9660_FILE* iso9660_open(iso9660_VOLUME *volume, const char* pathname)
{
struct iso_directory_record *root;
struct iso_directory_record *idr;
iso9660_FILE *file;
root = iso9660_get_root_node(volume);
if (root == NULL)
return NULL;
idr = iso9660_get_node(volume, root, pathname);
if (idr == NULL)
return NULL;
file = (iso9660_FILE*)malloc(sizeof(iso9660_FILE));
if (file == NULL)
return NULL;
file->base = isonum_733((char *)idr->extent);
file->size = isonum_733((char *)idr->size);
file->offset = 0;
file->current = -1;
file->volume = volume;
file->path = strdup(pathname);
free(idr);
return file;
}