feat(iso): add close function
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parent
99f290634f
commit
1daa8e6263
6
k/fd.c
6
k/fd.c
@ -13,13 +13,14 @@ static int find_next_fd(void)
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return -1;
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}
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int register_fd(u32 lba)
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int register_fd(u32 lba, u32 file_size)
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{
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int free_fd = find_next_fd();
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if (free_fd < 0)
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return -1;
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struct file_entry f = { .open = 1, .lba = lba, .file_offset = 0 };
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struct file_entry f = { .open = 0, .lba = lba, .file_offset = 0,
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.file_size = file_size };
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fd_table[free_fd] = f;
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return free_fd;
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}
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@ -32,6 +33,7 @@ int destroy_fd(int fd)
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fd_table[fd].open = 0;
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fd_table[fd].lba = 0;
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fd_table[fd].file_offset = 0;
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fd_table[fd].file_size = 0;
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return 0;
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}
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5
k/fd.h
5
k/fd.h
@ -9,10 +9,11 @@ struct file_entry
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{
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u8 open;
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u32 lba;
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u64 file_offset;
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u32 file_offset;
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u32 file_size;
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};
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int register_fd(u32 lba);
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int register_fd(u32 lba, u32 file_size);
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int destroy_fd(int fd);
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#endif /* !FD_H */
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7
k/iso.c
7
k/iso.c
@ -49,7 +49,7 @@ int open(const char *pathname, int flags)
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// we found the file
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if (!length)
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return register_fd(curr->data_blk.le);
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return register_fd(curr->data_blk.le, curr->data_size.le);
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// iteration for one directory
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while (curr->dir_size != 0)
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@ -71,3 +71,8 @@ int open(const char *pathname, int flags)
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return -1;
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}
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int close(int fd)
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{
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return destroy_fd(fd);
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}
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