X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fwimlib.h;h=34f52e7e1d67170c8a0e780a4af638c72fc8afb3;hb=107fbdbce29bf5ae32bfe469a1d4078414381986;hp=98651debd9eea4f2171c95c3a3f1ea1fb3c4c42b;hpb=5046b052366414f09940041ad79244c320d24751;p=wimlib diff --git a/src/wimlib.h b/src/wimlib.h index 98651deb..34f52e7e 100644 --- a/src/wimlib.h +++ b/src/wimlib.h @@ -4,7 +4,7 @@ * External header for wimlib. */ -/* +/* * Copyright (C) 2012 Eric Biggers * * This file is part of wimlib, a library for working with WIM files. @@ -57,7 +57,7 @@ * A WIM file may be either stand-alone or split into multiple parts. * * \section winpe Windows PE - * + * * A major use for this library is to create customized images of Windows PE, the * Windows Preinstallation Environment, without having to rely on Windows. Windows * PE is a lightweight version of Windows that can run entirely from memory and can @@ -160,7 +160,7 @@ * wimlib comes with the imagex program, which is documented in man pages. * * \section mkwinpeimg mkwinpeimg - * + * * wimlib comes with the mkwinpeimg script, which is documented in a man * page. * @@ -211,8 +211,8 @@ #include #ifndef _WIMLIB_INTERNAL_H -/** - * Opaque structure that represents a WIM file. +/** + * Opaque structure that represents a WIM file. */ typedef struct WIMStruct WIMStruct; #endif @@ -252,7 +252,7 @@ enum wim_compression_type { * alternate file stream name. */ #define WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS 0x00000040 -/** Include an integrity table in the new WIM being written during the unmount. +/** Include an integrity table in the new WIM being written during the unmount. * Ignored for read-only mounts. */ #define WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY 0x00000001 @@ -346,6 +346,7 @@ enum wimlib_error_code { WIMLIB_ERR_READLINK, WIMLIB_ERR_READ, WIMLIB_ERR_RENAME, + WIMLIB_ERR_RESOURCE_ORDER, WIMLIB_ERR_SPECIAL_FILE, WIMLIB_ERR_SPLIT_INVALID, WIMLIB_ERR_SPLIT_UNSUPPORTED, @@ -390,7 +391,7 @@ enum wimlib_error_code { * @param config_len * Length of the string @a config in bytes. Ignored if @a config is @c * NULL. - * + * * @param flags * Bitwise OR of flags prefixed with WIMLIB_ADD_IMAGE_FLAG. If * ::WIMLIB_ADD_IMAGE_FLAG_BOOT is specified, the image in @a wim that is @@ -405,9 +406,9 @@ enum wimlib_error_code { * discarded so that it appears to be in the same state as when this function * was called. * - * @retval ::WIMLIB_ERR_IMAGE_NAME_COLLISION + * @retval ::WIMLIB_ERR_IMAGE_NAME_COLLISION * There is already an image named @a name in @a w. - * @retval ::WIMLIB_ERR_INVALID_PARAM + * @retval ::WIMLIB_ERR_INVALID_PARAM * @a dir was @c NULL, @a name was @c NULL, or @a name was the empty string. * @retval ::WIMLIB_ERR_NOMEM * Failed to allocate needed memory. @@ -418,6 +419,9 @@ enum wimlib_error_code { * dir. * @retval ::WIMLIB_ERR_READ * Failed to read a file in the directory tree rooted at @a dir. + * @retval ::WIMLIB_ERR_SPECIAL_FILE + * The directory tree rooted at @dir contains a special file that is not a + * directory, regular file, or symbolic link. * @retval ::WIMLIB_ERR_STAT * Failed obtain the metadata for a file or directory in the directory tree * rooted at @a dir. @@ -425,7 +429,7 @@ enum wimlib_error_code { * @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, +extern int wimlib_add_image(WIMStruct *wim, const char *dir, const char *name, const char *config, size_t config_len, int flags); @@ -456,10 +460,10 @@ extern int wimlib_apply_image_to_ntfs_volume(WIMStruct *wim, int image, WIMStruct **additional_swms, unsigned num_additional_swms); -/** +/** * Creates a WIMStruct for a new WIM file. * - * @param ctype + * @param ctype * The type of compression to be used in the new WIM file. Must be * ::WIM_COMPRESSION_TYPE_NONE, ::WIM_COMPRESSION_TYPE_LZX, or * ::WIM_COMPRESSION_TYPE_XPRESS. @@ -480,8 +484,9 @@ extern int wimlib_create_new_wim(int ctype, WIMStruct **wim_ret); /** * Deletes an image, or all images, from a WIM file. * - * All file resources referenced by the image(s) being deleted are removed from - * the WIM if they are not referenced by any other images in the WIM. + * All streams referenced by the image(s) being deleted are removed from the + * lookup table of the WIM if they are not referenced by any other images in the + * WIM. * * @param wim * Pointer to the ::WIMStruct for the WIM file that contains the image(s) @@ -489,8 +494,12 @@ extern int wimlib_create_new_wim(int ctype, WIMStruct **wim_ret); * @param image * The number of the image to delete, or ::WIM_ALL_IMAGES to delete all * images. - * @return 0 on success; nonzero on error. On error, @a wim is left in an - * indeterminate state and should be freed with wimlib_free(). + * @return 0 on success; nonzero on failure. On failure, @a wim is guaranteed + * to be left unmodified only if @a image specified a single image. If instead + * @a image was ::WIM_ALL_IMAGES and @a wim contained more than one image, it's + * possible for some but not all of the images to have been deleted when a + * failure status is returned. + * * @retval ::WIMLIB_ERR_DECOMPRESSION * Could not decompress the metadata resource for @a image. * @retval ::WIMLIB_ERR_INVALID_DENTRY @@ -499,10 +508,11 @@ extern int wimlib_create_new_wim(int ctype, WIMStruct **wim_ret); * @retval ::WIMLIB_ERR_INVALID_IMAGE * @a image does not exist in the WIM and is not ::WIM_ALL_IMAGES. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE - * The metadata resource for @a image in the WIM is invalid. + * The metadata resource for @a image in the WIM is invalid. * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA - * The security data for @a image in the WIM is invalid. - * @retval ::WIMLIB_ERR_NOMEM Failed to allocate needed memory. + * The security data for @a image in the WIM is invalid. + * @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 @@ -581,7 +591,7 @@ extern int wimlib_delete_image(WIMStruct *wim, int image); * @retval ::WIMLIB_ERR_IMAGE_NAME_COLLISION * One or more of the names being given to an exported image was already in * use in the destination WIM. - * @retval ::WIMLIB_ERR_INVALID_DENTRY + * @retval ::WIMLIB_ERR_INVALID_DENTRY * A directory entry in the metadata resource for @a src_image in @a * src_wim is invalid. * @retval ::WIMLIB_ERR_INVALID_IMAGE @@ -594,10 +604,10 @@ extern int wimlib_delete_image(WIMStruct *wim, int image); * ::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. + * The metadata resource for @a src_image in @a src_wim is invalid. * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA - * The security data for @a src_image in @a src_wim is invalid. - * @retval ::WIMLIB_ERR_NOMEM + * The security data for @a src_image in @a src_wim is invalid. + * @retval ::WIMLIB_ERR_NOMEM * Failed to allocate needed memory. * @retval ::WIMLIB_ERR_READ * Could not read the metadata resource for @a src_image from @a src_wim. @@ -610,8 +620,8 @@ extern int wimlib_delete_image(WIMStruct *wim, int image); * @a dest_wim is part of a split WIM. Exporting an image to a split WIM * is unsupported. */ -extern int wimlib_export_image(WIMStruct *src_wim, int src_image, - WIMStruct *dest_wim, const char *dest_name, +extern int wimlib_export_image(WIMStruct *src_wim, int src_image, + WIMStruct *dest_wim, const char *dest_name, const char *dest_description, int flags, WIMStruct **additional_swms, unsigned num_additional_swms); @@ -658,16 +668,16 @@ extern int wimlib_export_image(WIMStruct *src_wim, int src_image, * @retval ::WIMLIB_ERR_DECOMPRESSION * Could not decompress a resource (file or metadata) for @a image in @a * wim. - * @retval ::WIMLIB_ERR_INVALID_DENTRY + * @retval ::WIMLIB_ERR_INVALID_DENTRY * A directory entry in the metadata resource for @a image in @a wim is * invalid. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_HASH * The SHA1 message digest of an extracted stream did not match the SHA1 * message digest given in the WIM file. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE - * A resource (file or metadata) for @a image in @a wim is invalid. + * A resource (file or metadata) for @a image in @a wim is invalid. * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA - * The security data for @a image in @a wim is invalid. + * The security data for @a image in @a wim is invalid. * @retval ::WIMLIB_ERR_LINK * Failed to create a symbolic link or a hard link. * @retval ::WIMLIB_ERR_MKDIR @@ -699,8 +709,8 @@ extern int wimlib_extract_image(WIMStruct *wim, int image, * * @param wim * Pointer to the ::WIMStruct for a WIM file. - * @param fp - * @c stdout, or a FILE* opened for writing, to extract the data to. + * @param fp + * @c stdout, or a FILE* opened for writing, to extract the data to. * * @return 0 on success; nonzero on error. * @retval ::WIMLIB_ERR_WRITE @@ -710,7 +720,7 @@ extern int wimlib_extract_xml_data(WIMStruct *wim, FILE *fp); /** * Frees all memory allocated for a WIMStruct and closes all files associated - * with it. + * with it. * * @param wim * Pointer to the ::WIMStruct for a WIM file. @@ -724,7 +734,7 @@ extern void wimlib_free(WIMStruct *wim); * * @param wim * Pointer to the ::WIMStruct for a WIM file. - * + * * @return * 0 if no image is marked as bootable, or the number of the image marked * as bootable (numbered starting at 1). @@ -736,7 +746,7 @@ extern int wimlib_get_boot_idx(const WIMStruct *wim); * * @param wim * Pointer to the ::WIMStruct for a WIM file - * + * * @return * ::WIM_COMPRESSION_TYPE_NONE, ::WIM_COMPRESSION_TYPE_LZX, or * ::WIM_COMPRESSION_TYPE_XPRESS. @@ -778,8 +788,11 @@ extern const char *wimlib_get_error_string(enum wimlib_error_code code); * The number of the image, numbered starting at 1. * * @return - * The description of the image, or @c NULL if there is no such image, or @c NULL - * if the specified image has no description. + * The description of the image, or @c NULL if there is no such image, or + * @c NULL if the specified image has no description. The description + * string is in library-internal memory and may not be modified or freed; + * in addition, the string will become invalid if the description of the + * image is changed, the image is deleted, or the ::WIMStruct is destroyed. */ extern const char *wimlib_get_image_description(const WIMStruct *wim, int image); @@ -793,7 +806,10 @@ extern const char *wimlib_get_image_description(const WIMStruct *wim, int image) * The number of the image, numbered starting at 1. * * @return - * The name of the image, or @c NULL if there is no such image. + * The name of the image, or @c NULL if there is no such image. The name + * string is in library-internal memory and may not be modified or freed; + * in addition, the string will become invalid if the name of the image is + * changed, the image is deleted, or the ::WIMStruct is destroyed. */ extern const char *wimlib_get_image_name(const WIMStruct *wim, int image); @@ -804,7 +820,7 @@ extern const char *wimlib_get_image_name(const WIMStruct *wim, int image); * @param wim * 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. */ @@ -819,7 +835,7 @@ extern int wimlib_get_num_images(const WIMStruct *wim); * If non-@c NULL, the total number of parts in the split WIM (1 for * non-split WIMs) is written to this location. * - * @return + * @return * The part number of the WIM (1 for non-split WIMs) */ extern int wimlib_get_part_number(const WIMStruct *wim, int *total_parts_ret); @@ -844,8 +860,9 @@ extern bool wimlib_has_integrity_table(const WIMStruct *wim); * The name to check. * * @return - * @c true if there is already an image in @a wim named @a name; @c - * false if there is no image named @a name in @a wim. + * @c true if there is already an image in @a wim named @a name; @c false + * if there is no image named @a name in @a wim. (If @a name is @c NULL, + * @c false is returned.) */ extern bool wimlib_image_name_in_use(const WIMStruct *wim, const char *name); @@ -876,7 +893,10 @@ extern bool wimlib_image_name_in_use(const WIMStruct *wim, const char *name); * An error occurred when trying to write data to the new WIM at @a output_path. * * 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. + * see if the resources, including the metadata resources, are valid or not. + * + * Also, after this function is called, the only function that may be called on + * the ::WIMStruct's in the @a swms array is wimlib_free(). */ extern int wimlib_join(const char **swms, unsigned num_swms, const char *output_path, int flags); @@ -926,7 +946,7 @@ extern int wimlib_join(const char **swms, unsigned num_swms, * Could not decompress the metadata resource for @a image in @a wim. * @retval ::WIMLIB_ERR_FUSE * A non-zero status was returned by @c fuse_main(). - * @retval ::WIMLIB_ERR_INVALID_DENTRY + * @retval ::WIMLIB_ERR_INVALID_DENTRY * A directory entry in the metadata resource for @a image in @a wim is * invalid. * @retval ::WIMLIB_ERR_INVALID_IMAGE @@ -935,9 +955,9 @@ extern int wimlib_join(const char **swms, unsigned num_swms, * @a image is shared among multiple ::WIMStruct's as a result of a call to * wimlib_export(). * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE - * The metadata resource for @a image in @a wim is invalid. + * The metadata resource for @a image in @a wim is invalid. * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA - * The security data for @a image in @a wim is invalid. + * The security data for @a image in @a wim is invalid. * @retval ::WIMLIB_ERR_MKDIR * ::WIMLIB_MOUNT_FLAG_READWRITE was specified in @a flags, but the staging * directory could not be created. @@ -964,7 +984,7 @@ extern int wimlib_mount(WIMStruct *wim, int image, const char *dir, int flags, /** * Opens a WIM file and creates a ::WIMStruct for it. * - * @param wim_file + * @param wim_file * The path to the WIM file to open. * @param flags * Bitwise OR of ::WIMLIB_OPEN_FLAG_CHECK_INTEGRITY and/or @@ -1034,7 +1054,7 @@ extern int wimlib_mount(WIMStruct *wim, int image, const char *dir, int flags, * @retval ::WIMLIB_ERR_XML * The XML data for @a wim_file is invalid. */ -extern int wimlib_open_wim(const char *wim_file, int flags, +extern int wimlib_open_wim(const char *wim_file, int flags, WIMStruct **wim_ret); /** @@ -1051,7 +1071,7 @@ extern int wimlib_open_wim(const char *wim_file, int flags, * Pointer to the ::WIMStruct for the WIM file to write. There may have * been in-memory changes made to it, which are then reflected in the * output file. - * @param flags + * @param flags * Bitwise OR of ::WIMLIB_WRITE_FLAG_CHECK_INTEGRITY and/or * ::WIMLIB_WRITE_FLAG_SHOW_PROGRESS. * @@ -1079,7 +1099,7 @@ extern int wimlib_overwrite(WIMStruct *wim, int flags); * * @param wim * Pointer to the ::WIMStruct for the WIM file to overwrite. - * @param flags + * @param flags * Bitwise OR of ::WIMLIB_WRITE_FLAG_CHECK_INTEGRITY and/or * ::WIMLIB_WRITE_FLAG_SHOW_PROGRESS. * @@ -1097,6 +1117,11 @@ extern int wimlib_overwrite(WIMStruct *wim, int flags); * from the WIM file associated with @a wim could not be read to compute * the SHA1 message digests, or the old integrity table (if it existed) * could not be read. + * @retval ::WIMLIB_ERR_RESOURCE_ORDER + * Stream resources appeared in the WIM after the XML data or integrity + * table, so we could not safely overwrite the XML data and integrity + * table. Note: this error should never be received from WIMs that were + * written by this library. * @retval ::WIMLIB_ERR_WRITE * Failed to write the WIM header, the XML data, or the integrity table to * the WIM file associated with @a wim. @@ -1108,12 +1133,14 @@ extern int wimlib_overwrite_xml_and_header(WIMStruct *wim, int flags); * * @param wim * Pointer to the ::WIMStruct for a WIM file. - * @param image + * @param image * The image about which to print information. Can be the number of an * image, or ::WIM_ALL_IMAGES to print information about all images in the * WIM. - * - * @return This function has no return value. + * + * @return This function has no return value. No error checking is done when + * printing the information. If @a image is invalid, an error message is + * printed. */ extern void wimlib_print_available_images(const WIMStruct *wim, int image); @@ -1123,9 +1150,9 @@ extern void wimlib_print_available_images(const WIMStruct *wim, int image); * * @param wim * Pointer to the ::WIMStruct for a WIM file. - * @param image + * @param image * Which image to print files for. Can be the number of an image, or - * ::WIM_ALL_IMAGES to print the files contained in all images. + * ::WIM_ALL_IMAGES to print the files contained in all images. * * @return 0 on success; nonzero on error. * @retval ::WIMLIB_ERR_DECOMPRESSION @@ -1166,7 +1193,7 @@ extern int wimlib_print_files(WIMStruct *wim, int image); */ extern void wimlib_print_header(const WIMStruct *wim); -/** +/** * Prints the lookup table of a WIM file. The lookup table maps SHA1 message * digests, as found in the directory entry tree in the WIM file, to file * resources in the WIM file. This table includes one entry for each unique @@ -1183,11 +1210,11 @@ extern void wimlib_print_lookup_table(WIMStruct *wim); /** * Prints the metadata of the specified image in a WIM file. The metadata * consists of the security data as well as the directory entry tree, and each - * image has its own metadata. + * image has its own metadata. * * @param wim * Pointer to the ::WIMStruct for a WIM file. - * @param image + * @param image * Which image to print the metadata for. Can be the number of an image, * or ::WIM_ALL_IMAGES to print the metadata for all images in the WIM. * @@ -1227,7 +1254,7 @@ extern int wimlib_print_metadata(WIMStruct *wim, int image); * @param wim * Pointer to the ::WIMStruct for a WIM file. * - * @return This function has no return value. + * @return This function has no return value. */ extern void wimlib_print_wim_information(const WIMStruct *wim); @@ -1237,14 +1264,14 @@ extern void wimlib_print_wim_information(const WIMStruct *wim); * * @param wim * Pointer to the ::WIMStruct for a WIM file. - * @param image_name_or_num + * @param image_name_or_num * A string specifying which image. If it begins with a number, it is * taken to be a string specifying the image number. Otherwise, it is * taken to be the name of an image, as specified in the XML data for the * WIM file. It also may be the keyword "all" or the string "*", both of * which will resolve to ::WIM_ALL_IMAGES. * - * @return + * @return * If the string resolved to a single existing image, the number of that * image, counting starting at 1, is returned. If the keyword "all" was * specified, ::WIM_ALL_IMAGES is returned. Otherwise, ::WIM_NO_IMAGE is @@ -1263,7 +1290,7 @@ extern int wimlib_resolve_image(WIMStruct *wim, const char *image_name_or_num); * @return 0 on success; nonzero on error. * @retval ::WIMLIB_ERR_INVALID_PARAM * @a wim was @c NULL. - * @retval ::WIMLIB_ERR_INVALID_IMAGE + * @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 @@ -1294,7 +1321,7 @@ extern int wimlib_set_boot_idx(WIMStruct *wim, int boot_idx); * Failed to allocate the memory needed to duplicate the @a description * string. */ -extern int wimlib_set_image_descripton(WIMStruct *wim, int image, +extern int wimlib_set_image_descripton(WIMStruct *wim, int image, const char *description); /** @@ -1424,7 +1451,7 @@ extern int wimlib_set_print_errors(bool show_messages); * An error occurred when trying to write data to one of the split WIMs. * */ -extern int wimlib_split(const char *wimfile, const char *swm_name, +extern int wimlib_split(const char *wimfile, const char *swm_name, size_t part_size, int flags); /** @@ -1441,7 +1468,7 @@ extern int wimlib_split(const char *wimfile, const char *swm_name, * there should be no infinite loops or crashes in the code, so this wouldn't be * much of a problem. Currently, a timeout of 600 seconds (so long because WIMs * can be very large) is implemented so that this function will not wait forever - * before returning failure. + * before returning failure. * * @param dir * The directory that the WIM image was mounted on. @@ -1497,7 +1524,7 @@ extern int wimlib_unmount(const char *dir, int flags); * @param image * The image inside the WIM to write. Use ::WIM_ALL_IMAGES to include all * images. - * @param flags + * @param flags * Bitwise OR of ::WIMLIB_WRITE_FLAG_CHECK_INTEGRITY and/or * ::WIMLIB_WRITE_FLAG_SHOW_PROGRESS. If * ::WIMLIB_WRITE_FLAG_CHECK_INTEGRITY is given, an integrity table is @@ -1508,7 +1535,7 @@ extern int wimlib_unmount(const char *dir, int flags); * @return 0 on success; nonzero on error. * @retval ::WIMLIB_ERR_DECOMPRESSION * Failed to decompress a metadata or file resource in @a wim. - * @retval ::WIMLIB_ERR_INVALID_DENTRY + * @retval ::WIMLIB_ERR_INVALID_DENTRY * A directory entry in the metadata resource for @a image in @a wim is * invalid. * @retval ::WIMLIB_ERR_INVALID_IMAGE @@ -1521,7 +1548,7 @@ extern int wimlib_unmount(const char *dir, int flags); * @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. + * The metadata resource for @a image in @a wim is invalid. * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA * The security data for @a image in @a wim is invalid. * @retval ::WIMLIB_ERR_NOMEM