X-Git-Url: http://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/b42e3c4eadf05be2506e1a1f8deb2cf24064c18b..298bb41d24f304bdc9c46c29cfe0f6c06d4b44de:/src/lbx.h?ds=sidebyside diff --git a/src/lbx.h b/src/lbx.h index 4232b9f..a788318 100644 --- a/src/lbx.h +++ b/src/lbx.h @@ -1,10 +1,57 @@ #ifndef LBX_H_ #define LBX_H_ +#include + +/* Errors */ +enum { + LBX_ESUCCESS, + 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; -LBX *lbx_fopen(FILE *); -LBX *lbx_open(const char *); -void lbx_close(LBX *); +struct lbx_statbuf { + const char *name; + size_t size; +}; + +/* 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 *); +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 *); + +/* Misc operations */ +const char *lbx_strerror(void); #endif