X-Git-Url: http://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/8456fd3535202bc2b79df4ddb794cbfd075054fd..298bb41d24f304bdc9c46c29cfe0f6c06d4b44de:/src/lbx.h diff --git a/src/lbx.h b/src/lbx.h index ec525d0..a788318 100644 --- a/src/lbx.h +++ b/src/lbx.h @@ -9,9 +9,28 @@ enum { LBX_EMAGIC, LBX_EEOF, LBX_ERANGE, + LBX_EFORMAT, }; extern int lbx_errno; +struct lbx_file_ops { + size_t (*read)(void *buf, size_t size, void *handle); + int (*seek)(void *handle, long offset, int whence); + long (*tell)(void *handle); + int (*eof) (void *handle); +}; + +struct lbx_pipe_state { + FILE *f; + long offset; +}; + +/* Default I/O operations for ordinary files. */ +extern const struct lbx_file_ops lbx_default_fops; + +/* I/O operations for un-seekable files (e.g. pipes). */ +extern const struct lbx_file_ops lbx_pipe_fops; + /* Opaque */ typedef struct lbx_state LBX; @@ -21,16 +40,16 @@ struct lbx_statbuf { }; /* Archive operations */ +LBX *lbx_open(void *handle, const struct lbx_file_ops *fops, + int (*destructor)(void *handle), const char *name); LBX *lbx_fopen(FILE *, const char *); LBX *lbx_mopen(void *, size_t, const char *); -LBX *lbx_open(const char *); -void lbx_close(LBX *); +int lbx_close(LBX *); size_t lbx_numfiles(LBX *); /* File operations */ int lbx_stat(LBX *, size_t, struct lbx_statbuf *); size_t lbx_extract(LBX *, size_t, FILE *); -void *lbx_mmap(LBX *, size_t, size_t *); /* Misc operations */ const char *lbx_strerror(void);