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0dddb61de8
by default. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk> git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@796 f158a5a8-5612-0410-a976-696ce0be7e32
177 lines
3.2 KiB
C
177 lines
3.2 KiB
C
/*
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*
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* (c) 2009 Laurent Vivier <Laurent@vivier.eu>
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*
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*/
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#include "libiso9660.h"
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#include "fs/fs.h"
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#include "libc/vsprintf.h"
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typedef struct {
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enum { FILE, DIR } type;
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union {
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iso9660_FILE *file;
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iso9660_DIR * dir;
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};
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} iso9660_COMMON;
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static void
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umount( fs_ops_t *fs )
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{
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iso9660_VOLUME *volume = (iso9660_VOLUME *)fs->fs_data;
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iso9660_umount( volume );
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}
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static void
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dir_fs ( file_desc_t *fd )
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{
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iso9660_COMMON *common = (iso9660_COMMON *)fd;
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struct iso_directory_record *idr;
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char name_buf[256];
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if (common->type != DIR)
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return;
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forth_printf("\n");
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while ( (idr = iso9660_readdir(common->dir)) ) {
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forth_printf("% 10d ", isonum_733(idr->size));
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forth_printf("%d-%02d-%02d %02d:%02d:%02d ",
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idr->date[0] + 1900, /* year */
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idr->date[1], /* month */
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idr->date[2], /* day */
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idr->date[3], idr->date[4], idr->date[5]);
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iso9660_name(common->dir->volume, idr, name_buf);
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if (idr->flags[0] & 2)
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forth_printf("%s\\\n", name_buf);
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else
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forth_printf("%s\n", name_buf);
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}
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}
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static file_desc_t *
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open_path( fs_ops_t *fs, const char *path )
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{
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iso9660_VOLUME *volume = (iso9660_VOLUME *)fs->fs_data;
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iso9660_COMMON *common;
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common = (iso9660_COMMON *)malloc(sizeof(*common));
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if (common == NULL)
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return NULL;
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common->dir = iso9660_opendir(volume, path);
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if (common->dir == NULL) {
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common->file = iso9660_open(volume, path);
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if (common->file == NULL) {
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free(common);
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return NULL;
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}
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common->type = FILE;
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return (file_desc_t *)common;
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}
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common->type = DIR;
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return (file_desc_t *)common;
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}
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static char *
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get_path( file_desc_t *fd, char *buf, int size )
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{
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iso9660_COMMON *common = (iso9660_COMMON *)fd;
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if (common->type != FILE)
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return NULL;
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strncpy(buf, common->file->path, size);
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return buf;
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}
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static int
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file_lseek( file_desc_t *fd, off_t offs, int whence )
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{
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iso9660_COMMON *common = (iso9660_COMMON *)fd;
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if (common->type != FILE)
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return -1;
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return iso9660_lseek(common->file, offs, whence);
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}
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static void
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file_close( file_desc_t *fd )
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{
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iso9660_COMMON *common = (iso9660_COMMON *)fd;
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if (common->type == FILE)
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iso9660_close(common->file);
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else if (common->type == DIR)
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iso9660_closedir(common->dir);
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free(common);
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}
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static int
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file_read( file_desc_t *fd, void *buf, size_t count )
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{
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iso9660_COMMON *common = (iso9660_COMMON *)fd;
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if (common->type != FILE)
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return -1;
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return iso9660_read(common->file, buf, count);
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}
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static char *
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vol_name( fs_ops_t *fs, char *buf, int size )
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{
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iso9660_VOLUME *volume = (iso9660_VOLUME *)fs->fs_data;
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strncpy(buf, volume->descriptor->volume_id, size);
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return buf;
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}
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static const char *
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get_fstype( fs_ops_t *fs )
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{
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return "ISO9660";
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}
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static const fs_ops_t iso9660_ops = {
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.dir = dir_fs,
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.close_fs = umount,
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.open_path = open_path,
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.get_path = get_path,
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.close = file_close,
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.read = file_read,
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.lseek = file_lseek,
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.vol_name = vol_name,
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.get_fstype = get_fstype,
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};
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int
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fs_iso9660_probe( int fd, llong offs )
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{
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if (iso9660_probe(fd, offs))
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return 0;
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return -1;
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}
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int fs_iso9660_open(int fd, fs_ops_t *fs)
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{
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iso9660_VOLUME *volume;
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volume = iso9660_mount(fd);
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if (volume == NULL)
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return -1;
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*fs = iso9660_ops;
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fs->fs_data = volume;
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return 0;
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}
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