X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/blobdiff_plain/4a3125b61348969b91b9642bba803fc17135c189..101802f109713394c6c8e0daea8129c6ee3c60d0:/src/upkg.h diff --git a/src/upkg.h b/src/upkg.h index 7565b32..044b107 100644 --- a/src/upkg.h +++ b/src/upkg.h @@ -62,14 +62,24 @@ #define UPKG_HDR_MAGIC 0x9e2a83c1 #define UPKG_HDR_SIZE 36 +struct upkg_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 upkg { unsigned version, license; unsigned char guid[16]; unsigned long flags; unsigned long name_count, export_count, import_count; +}; - struct upkg_private *priv; +struct upkg_export { + const char *name; + unsigned long flags; }; struct upkg_file { @@ -77,19 +87,23 @@ struct upkg_file { int eof; - struct upkg *pkg; + struct upkg_priv *pkg; unsigned long base, offset, len; }; +/* Default I/O operations for ordinary files. */ +extern const struct upkg_file_ops upkg_default_fops; + +struct upkg *upkg_open(void *handle, const struct upkg_file_ops *fops, + int (*destructor)(void *handle)); struct upkg *upkg_fopen(const char *path); int upkg_close(struct upkg *pkg); const char *upkg_get_name(struct upkg *pkg, unsigned long idx); +const struct upkg_export *upkg_get_export(struct upkg *pkg, unsigned long idx); -long upkg_export_find(struct upkg *pkg, const char *name); +long upkg_export_find(struct upkg *pkg, long parent, const char *name); -unsigned long upkg_export_flags(struct upkg *pkg, unsigned long idx); -const char *upkg_export_name(struct upkg *pkg, unsigned long idx); const char *upkg_export_class(struct upkg *pkg, unsigned long idx, const char **package);