X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fwimlib.h;h=0debc5c249e03feea012b3747aab3564dd17ad30;hb=35dd893208119869db6a90b1d1663f9aea88a3f7;hp=2de733cda09083e79c31666b863b5547057cdf28;hpb=3b293f2984ccd95cf58363ae448deda14224d310;p=wimlib
diff --git a/src/wimlib.h b/src/wimlib.h
index 2de733cd..0debc5c2 100644
--- a/src/wimlib.h
+++ b/src/wimlib.h
@@ -95,13 +95,16 @@
* README for more information about installing it. To use wimlib in a program
* after installing it, include @c wimlib.h and link your program with @c -lwim.
*
- * wimlib wraps up a WIM file in an opaque ::WIMStruct structure.
+ * wimlib wraps up a WIM file in an opaque ::WIMStruct structure. A ::WIMStruct
+ * may represent either a stand-alone WIM or one part of a split WIM.
*
* All functions in wimlib's public API are prefixed with @c wimlib. Most
* return an integer error code on failure. Use wimlib_get_error_string() to
* get a string that describes an error code. wimlib also can print error
* messages itself when an error happens, and these may be more informative than
- * the error code; to enable this, call wimlib_set_print_errors().
+ * the error code; to enable this, call wimlib_set_print_errors(). Please note
+ * that this is for convenience only, and some errors can occur without a
+ * message being printed.
*
* wimlib is thread-safe as long as different ::WIMStruct's are used, with the
* following exceptions: wimlib_set_print_errors() and
@@ -163,7 +166,6 @@
*
* While wimlib supports the main features of WIM files, wimlib currently has
* the following limitations:
- * - There is no way to directly extract or mount split WIMs.
* - Different versions of the WIM file format are unsupported. There is one
* different version of the format from development versions of Windows Vista,
* but I'm not planning to support it.
@@ -416,6 +418,9 @@ enum wimlib_error_code {
* @retval ::WIMLIB_ERR_STAT
* Failed obtain the metadata for a file or directory in the directory tree
* rooted at @a dir.
+ * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED
+ * @a wim is part of a split WIM. Adding an image to a split WIM is
+ * unsupported.
*/
extern int wimlib_add_image(WIMStruct *wim, const char *dir,
const char *name, const char *config,
@@ -444,7 +449,9 @@ extern int wimlib_add_image_from_ntfs_volume(WIMStruct *w, const char *device,
* the WIM.
*/
extern int wimlib_apply_image_to_ntfs_volume(WIMStruct *w, int image,
- const char *device, int flags);
+ const char *device, int flags,
+ WIMStruct **additional_swms,
+ unsigned num_additional_swms);
/**
* Creates a WIMStruct for a new WIM file.
@@ -495,6 +502,9 @@ extern int wimlib_create_new_wim(int ctype, WIMStruct **wim_ret);
* @retval ::WIMLIB_ERR_NOMEM Failed to allocate needed memory.
* @retval ::WIMLIB_ERR_READ
* Could not read the metadata resource for @a image from the WIM.
+ * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED
+ * @a wim is part of a split WIM. Deleting an image from a split WIM is
+ * unsupported.
*/
extern int wimlib_delete_image(WIMStruct *wim, int image);
@@ -548,7 +558,8 @@ extern int wimlib_delete_image(WIMStruct *wim, int image);
* ::WIM_ALL_IMAGES, @a src_wim contains multiple images, and no images in
* @a src_wim are marked as bootable; or @a dest_name and/or @a
* dest_description were non-NULL
, @a src_image was
- * ::WIM_ALL_IMAGES, and @a src_wim contains multiple images.
+ * ::WIM_ALL_IMAGES, and @a src_wim contains multiple images; or @a src_wim
+ * or @a dest_wim was @c NULL.
* @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE
* The metadata resource for @a src_image in @a src_wim is invalid.
* @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA
@@ -557,25 +568,51 @@ extern int wimlib_delete_image(WIMStruct *wim, int image);
* Failed to allocate needed memory.
* @retval ::WIMLIB_ERR_READ
* Could not read the metadata resource for @a src_image from @a src_wim.
+ * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED
+ * @a src_wim or @a dest_wim is part of a split WIM. Exporting an image
+ * from or to a split WIM is unsupported.
*/
extern int wimlib_export_image(WIMStruct *src_wim, int src_image,
WIMStruct *dest_wim, const char *dest_name,
const char *dest_description, int flags);
/**
- * Extracts an image, or all images, from a WIM file.
- *
- * The output directory must have been previously set with
- * wimlib_set_output_dir().
- *
- * The link type used for extracted files is that specified by a previous call
- * to wimlib_set_link_type(), or ::WIM_LINK_TYPE_NONE by default.
+ * Extracts an image, or all images, from a standalone or split WIM file.
*
* @param wim
- * Pointer to the ::WIMStruct for a WIM file.
+ * Pointer to the ::WIMStruct for a standalone WIM file, or part 1 of a
+ * split WIM.
* @param image
* The image to extract. Can be the number of an image, or ::WIM_ALL_IMAGES
* to specify that all images are to be extracted.
+ * @param output_dir
+ * Directory to extract the WIM image(s) to. It is created if it does not
+ * already exist.
+ * @param flags
+ * Bitwise or of the flags prefixed with WIMLIB_EXTRACT_FLAG.
+ *
+ * One or none of ::WIMLIB_EXTRACT_FLAG_HARDLINK or
+ * ::WIMLIB_EXTRACT_FLAG_SYMLINK may be specified. These flags cause
+ * extracted files that are identical to be hardlinked or symlinked
+ * together, depending on the flag. These flags override the hard link
+ * groups that are specified in the WIM file itself. If ::WIM_ALL_IMAGES
+ * is provided as the @a image parameter, files may be hardlinked or
+ * symlinked across images if a file is found to occur in more than one
+ * image.
+ *
+ * You may also specify the flag ::WIMLIB_EXTRACT_FLAG_VERBOSE to cause
+ * informational messages to be printed during the extraction, including
+ * the name of each extracted file or directory.
+ * @param additional_swms
+ * Array of pointers to the ::WIMStruct for each additional part in the
+ * split WIM. Ignored if @a num_additional_swms is 0. The pointers do not
+ * need to be in any particular order, but they must include all parts of
+ * the split WIM other than the first part, which must be provided in the
+ * @a wim parameter.
+ * @param num_additional_swms
+ * Number of additional WIM parts provided in the @a additional_swms array.
+ * This number should be one less than the total number of parts in the
+ * split WIM.
*
* @return 0 on success; nonzero on error.
* @retval ::WIMLIB_ERR_DECOMPRESSION
@@ -602,15 +639,23 @@ extern int wimlib_export_image(WIMStruct *src_wim, int src_image,
* @retval ::WIMLIB_ERR_READ
* A unexpected end-of-file or read error occurred when trying to read data
* from the WIM file associated with @a wim.
+ * @retval ::WIMLIB_ERR_SPLIT_INVALID
+ * The WIM is a split WIM, but the parts specified do not form a complete
+ * split WIM because they do not include all the parts of the original WIM,
+ * there are duplicate parts, or not all the parts have the same GUID and
+ * compression type.
* @retval ::WIMLIB_ERR_WRITE
* Failed to write a file being extracted.
*/
extern int wimlib_extract_image(WIMStruct *wim, int image,
- const char *output_dir, int flags);
+ const char *output_dir, int flags,
+ WIMStruct **additional_swms,
+ unsigned num_additional_swms);
/**
* Extracts the XML data for a WIM file to a file stream. Every WIM file
* includes a string of XML that describes the images contained in the WIM.
+ * This function works on standalone WIMs as well as split WIM parts.
*
* @param wim
* Pointer to the ::WIMStruct for a WIM file.
@@ -687,7 +732,8 @@ extern const char *wimlib_get_error_string(enum wimlib_error_code code);
* Returns the description of the specified image.
*
* @param wim
- * Pointer to the ::WIMStruct for a WIM file.
+ * Pointer to the ::WIMStruct for a WIM file. It may be either a
+ * standalone WIM or a split WIM part.
* @param image
* The number of the image, numbered starting at 1.
*
@@ -701,7 +747,8 @@ extern const char *wimlib_get_image_description(const WIMStruct *wim, int image)
* Returns the name of the specified image.
*
* @param wim
- * Pointer to the ::WIMStruct for a WIM file.
+ * Pointer to the ::WIMStruct for a WIM file. It may be either a
+ * standalone WIM or a split WIM part.
* @param image
* The number of the image, numbered starting at 1.
*
@@ -715,7 +762,8 @@ extern const char *wimlib_get_image_name(const WIMStruct *wim, int image);
* Gets the number of images contained in the WIM.
*
* @param wim
- * Pointer to the ::WIMStruct for a WIM file.
+ * Pointer to the ::WIMStruct for a WIM file. It may be either a
+ * standalone WIM or a split WIM part.
*
* @return
* The number of images contained in the WIM file.
@@ -723,7 +771,7 @@ extern const char *wimlib_get_image_name(const WIMStruct *wim, int image);
extern int wimlib_get_num_images(const WIMStruct *wim);
/**
- * Gets the part number of the wim (in a split WIM).
+ * Gets the part number of part of a split WIM.
*
* @param wim
* Pointer to the ::WIMStruct for a WIM file.
@@ -742,7 +790,7 @@ extern int wimlib_get_part_number(const WIMStruct *wim, int *total_parts_ret);
* @param wim
* Pointer to the ::WIMStruct for a WIM file.
* @return
- * @c true if the WIM has an integrity table; false otherwise.
+ * @c true if the WIM has an integrity table; @c false otherwise.
*/
extern bool wimlib_has_integrity_table(const WIMStruct *wim);
@@ -790,7 +838,7 @@ extern bool wimlib_image_name_in_use(const WIMStruct *wim, const char *name);
* Note that this function merely copies the resources, so it will not check to
* see if the resources, including the metadata resource, are valid or not.
*/
-extern int wimlib_join(const char **swms, int num_swms,
+extern int wimlib_join(const char **swms, unsigned num_swms,
const char *output_path, int flags);
/**
@@ -846,7 +894,6 @@ extern int wimlib_join(const char **swms, int num_swms,
* @retval ::WIMLIB_ERR_READ
* An unexpected end-of-file or read error occurred when trying to read
* data from the WIM file associated with @a wim.
- *
*/
extern int wimlib_mount(WIMStruct *wim, int image, const char *dir, int flags);
@@ -1031,6 +1078,8 @@ extern void wimlib_print_available_images(const WIMStruct *wim, int image);
* @retval ::WIMLIB_ERR_INVALID_IMAGE
* @a image does not specify a valid image in @a wim, and is not
* ::WIM_ALL_IMAGES.
+ * @retval ::WIMLIB_ERR_INVALID_PARAM
+ * @a wim was @c NULL.
* @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE
* The metadata resource for one of the specified images is invalid.
* @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA
@@ -1040,6 +1089,9 @@ extern void wimlib_print_available_images(const WIMStruct *wim, int image);
* @retval ::WIMLIB_ERR_READ
* An unexpected read error or end-of-file occurred when reading the
* metadata resource for one of the specified images.
+ * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED
+ * @a wim was not a standalone WIM and was not the first part of a split
+ * WIM.
*/
extern int wimlib_print_files(WIMStruct *wim, int image);
@@ -1047,7 +1099,8 @@ extern int wimlib_print_files(WIMStruct *wim, int image);
* Prints detailed information from the header of a WIM file.
*
* @param wim
- * Pointer to the ::WIMStruct for a WIM file.
+ * Pointer to the ::WIMStruct for a WIM file. It may be either a
+ * standalone WIM or part of a split WIM.
*
* @return This function has no return value.
*
@@ -1089,6 +1142,8 @@ extern void wimlib_print_lookup_table(WIMStruct *wim);
* @retval ::WIMLIB_ERR_INVALID_IMAGE
* @a image does not specify a valid image in @a wim, and is not
* ::WIM_ALL_IMAGES.
+ * @retval ::WIMLIB_ERR_INVALID_PARAM
+ * @a wim was @c NULL.
* @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE
* The metadata resource for one of the specified images is invalid.
* @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA
@@ -1098,6 +1153,9 @@ extern void wimlib_print_lookup_table(WIMStruct *wim);
* @retval ::WIMLIB_ERR_READ
* An unexpected read error or end-of-file occurred when reading the
* metadata resource for one of the specified images.
+ * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED
+ * @a wim was not a standalone WIM and was not the first part of a split
+ * WIM.
*/
extern int wimlib_print_metadata(WIMStruct *wim, int image);
@@ -1144,9 +1202,14 @@ extern int wimlib_resolve_image(WIMStruct *wim, const char *image_name_or_num);
* The number of the image to mark as bootable, or 0 to mark no image as
* bootable.
* @return 0 on success; nonzero on error.
+ * @retval ::WIMLIB_ERR_INVALID_PARAM
+ * @a wim was @c NULL.
* @retval ::WIMLIB_ERR_INVALID_IMAGE
* @a boot_idx does not specify an existing image in @a wim, and it was not
* 0.
+ * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED
+ * @a wim is part of a split WIM. We do not support changing the boot
+ * index of a split WIM.
*/
extern int wimlib_set_boot_idx(WIMStruct *wim, int boot_idx);
@@ -1154,7 +1217,9 @@ extern int wimlib_set_boot_idx(WIMStruct *wim, int boot_idx);
* Changes the description of an image in the WIM.
*
* @param wim
- * Pointer to the ::WIMStruct for a WIM file.
+ * Pointer to the ::WIMStruct for a WIM file. It may be either a
+ * standalone WIM or part of a split WIM; however, you should set the same
+ * description on all parts of a split WIM.
* @param image
* The number of the image for which to change the description.
* @param description
@@ -1164,6 +1229,8 @@ extern int wimlib_set_boot_idx(WIMStruct *wim, int boot_idx);
* @return 0 on success; nonzero on error.
* @retval ::WIMLIB_ERR_INVALID_IMAGE
* @a image does not specify a single existing image in @a wim.
+ * @retval ::WIMLIB_ERR_INVALID_PARAM
+ * @a wim was @c NULL.
* @retval ::WIMLIB_ERR_NOMEM
* Failed to allocate the memory needed to duplicate the @a description
* string.
@@ -1171,6 +1238,28 @@ extern int wimlib_set_boot_idx(WIMStruct *wim, int boot_idx);
extern int wimlib_set_image_descripton(WIMStruct *wim, int image,
const char *description);
+/**
+ * Changes what is written in the element in the WIM XML data (something
+ * like "Core" or "Ultimate")
+ *
+ * @param wim
+ * Pointer to the ::WIMStruct for a WIM file. It may be either a
+ * standalone WIM or part of a split WIM; however, you should set the same
+ * element on all parts of a split WIM.
+ * @param image
+ * The number of the image for which to change the description.
+ * @param flags
+ * The new element to give the image. It may be @c NULL, which
+ * indicates that the image is to be given no element.
+ *
+ * @return 0 on success; nonzero on error.
+ * @retval ::WIMLIB_ERR_INVALID_IMAGE
+ * @a image does not specify a single existing image in @a wim.
+ * @retval ::WIMLIB_ERR_INVALID_PARAM
+ * @a wim was @c NULL.
+ * @retval ::WIMLIB_ERR_NOMEM
+ * Failed to allocate the memory needed to duplicate the @a flags string.
+ */
extern int wimlib_set_image_flags(WIMStruct *w, int image,
const char *flags);
@@ -1178,17 +1267,19 @@ extern int wimlib_set_image_flags(WIMStruct *w, int image,
* Changes the name of an image in the WIM.
*
* @param wim
- * Pointer to the ::WIMStruct for a WIM file.
+ * Pointer to the ::WIMStruct for a WIM file. It may be either a
+ * standalone WIM or part of a split WIM; however, you should set the same
+ * name on all parts of a split WIM.
* @param image
* The number of the image for which to change the name.
* @param name
- * The new name to give the image. It must not be @c NULL.
+ * The new name to give the image. It must not a nonempty string.
*
* @return 0 on success; nonzero on error.
* @retval ::WIMLIB_ERR_IMAGE_NAME_COLLISION
* There is already an image named @a name in @a wim.
* @retval ::WIMLIB_ERR_INVALID_PARAM
- * @a name was @c NULL or the empty string.
+ * @a name was @c NULL or the empty string, or @a wim was @c NULL.
* @retval ::WIMLIB_ERR_INVALID_IMAGE
* @a image does not specify a single existing image in @a wim.
* @retval ::WIMLIB_ERR_NOMEM
@@ -1204,6 +1295,9 @@ extern int wimlib_set_image_name(WIMStruct *wim, int image, const char *name);
* The default is to use the default @c malloc() and @c free() from the C
* library.
*
+ * Please note that some external functions we call still may use the standard
+ * memory allocation functions.
+ *
* @param malloc_func
* A function equivalent to @c malloc() that wimlib will use to allocate
* memory. If @c NULL, the allocator function is set back to the default
@@ -1227,8 +1321,9 @@ int wimlib_set_memory_allocator(void *(*malloc_func)(size_t),
/**
* Sets whether wimlib is to print error messages to @c stderr when a function
- * fails or not. These error messages may provide information that cannot be
- * determined only from the error code that is returned.
+ * fails. These error messages may provide information that cannot be
+ * determined only from the error code that is returned. Not every error will
+ * result in an error message being printed.
*
* This setting is global and not per-WIM.
*
@@ -1365,6 +1460,8 @@ extern int wimlib_unmount(const char *dir, int flags);
* A file that had previously been scanned for inclusion in the WIM by the
* wimlib_add_image() or wimlib_add_image_from_ntfs_volume() functions was
* concurrently modified, so it failed the SHA1 message digest check.
+ * @retval ::WIMLIB_ERR_INVALID_PARAM
+ * @a wim or @a path was @c NULL.
* @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE
* The metadata resource for @a image in @a wim is invalid.
* @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA
@@ -1380,6 +1477,9 @@ extern int wimlib_unmount(const char *dir, int flags);
* with @a wim, or some file resources in @a wim refer to files in the
* outside filesystem, and a read error occurred when reading one of these
* files.
+ * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED
+ * @a wim is part of a split WIM. You may not call this function on a
+ * split WIM.
* @retval ::WIMLIB_ERR_WRITE
* An error occurred when trying to write data to the new WIM file at @a
* path.