X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fxml.c;h=deeedb50efba04f5088e52615f66380124846c8f;hp=fd5cddf198205a2fbb767a8351464593371e696c;hb=2b4f92cc80af257566c00e62fd3f0a7e3607416b;hpb=3fa7b7a033ce803accfd6758029114323f6a6865 diff --git a/src/xml.c b/src/xml.c index fd5cddf1..deeedb50 100644 --- a/src/xml.c +++ b/src/xml.c @@ -5,7 +5,7 @@ */ /* - * Copyright (C) 2012 Eric Biggers + * Copyright (C) 2012, 2013 Eric Biggers * * This file is part of wimlib, a library for working with WIM files. * @@ -23,18 +23,27 @@ * along with wimlib; if not, see http://www.gnu.org/licenses/. */ -#include "dentry.h" -#include "lookup_table.h" -#include "timestamp.h" -#include "wimlib_internal.h" -#include "xml.h" +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif -#include +#include "wimlib/dentry.h" +#include "wimlib/encoding.h" +#include "wimlib/error.h" +#include "wimlib/file_io.h" +#include "wimlib/lookup_table.h" +#include "wimlib/metadata.h" +#include "wimlib/resource.h" +#include "wimlib/timestamp.h" +#include "wimlib/xml.h" + +#include #include #include #include -#include #include +#include +#include /* Structures used to form an in-memory representation of the XML data (other * than the raw parse tree from libxml). */ @@ -48,19 +57,19 @@ struct windows_version { }; struct windows_info { - u64 arch; - char *product_name; - char *edition_id; - char *installation_type; - char *hal; - char *product_type; - char *product_suite; - char **languages; - char *default_language; - size_t num_languages; - char *system_root; - bool windows_version_exists; - struct windows_version windows_version; + u64 arch; + tchar *product_name; + tchar *edition_id; + tchar *installation_type; + tchar *hal; + tchar *product_type; + tchar *product_suite; + tchar **languages; + tchar *default_language; + size_t num_languages; + tchar *system_root; + bool windows_version_exists; + struct windows_version windows_version; }; struct image_info { @@ -73,33 +82,120 @@ struct image_info { u64 creation_time; u64 last_modification_time; struct windows_info windows_info; - char *name; - char *description; - char *display_name; - char *display_description; - union { - char *flags; - struct lookup_table *lookup_table; - }; + tchar *name; + tchar *description; + tchar *display_name; + tchar *display_description; + tchar *flags; + struct wim_lookup_table *lookup_table; /* temporary field */ }; +/* A struct wim_info structure corresponds to the entire XML data for a WIM file. */ +struct wim_info { + u64 total_bytes; + int num_images; + /* Array of `struct image_info's, one for each image in the WIM that is + * mentioned in the XML data. */ + struct image_info *images; +}; + +struct xml_string_spec { + const char *name; + size_t offset; +}; + +#define ELEM(STRING_NAME, MEMBER_NAME) \ + {STRING_NAME, offsetof(struct image_info, MEMBER_NAME)} +static const struct xml_string_spec +image_info_xml_string_specs[] = { + ELEM("NAME", name), + ELEM("DESCRIPTION", description), + ELEM("DISPLAYNAME", display_name), + ELEM("DISPLAYDESCRIPTION", display_description), + ELEM("FLAGS", flags), +}; +#undef ELEM + +#define ELEM(STRING_NAME, MEMBER_NAME) \ + {STRING_NAME, offsetof(struct windows_info, MEMBER_NAME)} +static const struct xml_string_spec +windows_info_xml_string_specs[] = { + ELEM("PRODUCTNAME", product_name), + ELEM("EDITIONID", edition_id), + ELEM("INSTALLATIONTYPE", installation_type), + ELEM("HAL", hal), + ELEM("PRODUCTTYPE", product_type), + ELEM("PRODUCTSUITE", product_suite), +}; +#undef ELEM + +u64 +wim_info_get_total_bytes(const struct wim_info *info) +{ + if (info) + return info->total_bytes; + else + return 0; +} + +u64 +wim_info_get_image_hard_link_bytes(const struct wim_info *info, int image) +{ + if (info) + return info->images[image - 1].hard_link_bytes; + else + return 0; +} + +u64 +wim_info_get_image_total_bytes(const struct wim_info *info, int image) +{ + if (info) + return info->images[image - 1].total_bytes; + else + return 0; +} + +unsigned +wim_info_get_num_images(const struct wim_info *info) +{ + if (info) + return info->num_images; + else + return 0; +} + +/* Architecture constants are from w64 mingw winnt.h */ +#define PROCESSOR_ARCHITECTURE_INTEL 0 +#define PROCESSOR_ARCHITECTURE_MIPS 1 +#define PROCESSOR_ARCHITECTURE_ALPHA 2 +#define PROCESSOR_ARCHITECTURE_PPC 3 +#define PROCESSOR_ARCHITECTURE_SHX 4 +#define PROCESSOR_ARCHITECTURE_ARM 5 +#define PROCESSOR_ARCHITECTURE_IA64 6 +#define PROCESSOR_ARCHITECTURE_ALPHA64 7 +#define PROCESSOR_ARCHITECTURE_MSIL 8 +#define PROCESSOR_ARCHITECTURE_AMD64 9 +#define PROCESSOR_ARCHITECTURE_IA32_ON_WIN64 10 /* Returns a statically allocated string that is a string representation of the * architecture number. */ -static const char *get_arch(int arch) +static const tchar * +get_arch(int arch) { - static char buf[20]; switch (arch) { - case 0: - return "x86"; - case 6: - return "ia64"; - case 9: - return "x86_64"; - /* XXX Are there other arch values? */ + case PROCESSOR_ARCHITECTURE_INTEL: + return T("x86"); + case PROCESSOR_ARCHITECTURE_MIPS: + return T("MIPS"); + case PROCESSOR_ARCHITECTURE_ARM: + return T("ARM"); + case PROCESSOR_ARCHITECTURE_IA64: + return T("ia64"); + case PROCESSOR_ARCHITECTURE_AMD64: + return T("x86_64"); default: - snprintf(buf, sizeof(buf), "%d (unknown)", arch); - return buf; + return T("unknown"); } } @@ -109,64 +205,74 @@ static const char *get_arch(int arch) for (child = parent->children; child != NULL; child = child->next) /* Utility functions for xmlNodes */ -static inline bool node_is_element(xmlNode *node) +static inline bool +node_is_element(xmlNode *node) { return node->type == XML_ELEMENT_NODE; } -static inline bool node_is_text(xmlNode *node) +static inline bool +node_is_text(xmlNode *node) { return node->type == XML_TEXT_NODE; } -static inline bool node_name_is(xmlNode *node, const char *name) +static inline bool +node_name_is(xmlNode *node, const char *name) { /* For now, both upper case and lower case element names are accepted. */ return strcasecmp((const char *)node->name, name) == 0; } -/* Finds the text node that is a child of an element node and returns its - * content converted to a 64-bit unsigned integer. Returns 0 if no text node is - * found. */ -static u64 node_get_u64(const xmlNode *u64_node) +static u64 +node_get_number(const xmlNode *u64_node, int base) { xmlNode *child; for_node_child(u64_node, child) if (node_is_text(child)) - return strtoull((const char *)child->content, NULL, 10); + return strtoull(child->content, NULL, base); return 0; } +/* Finds the text node that is a child of an element node and returns its + * content converted to a 64-bit unsigned integer. Returns 0 if no text node is + * found. */ +static u64 +node_get_u64(const xmlNode *u64_node) +{ + return node_get_number(u64_node, 10); +} + /* Like node_get_u64(), but expects a number in base 16. */ -static u64 node_get_hex_u64(const xmlNode *u64_node) +static u64 +node_get_hex_u64(const xmlNode *u64_node) { - xmlNode *child; - for_node_child(u64_node, child) - if (node_is_text(child)) - return strtoull(child->content, NULL, 16); - return 0; + return node_get_number(u64_node, 16); } -static int node_get_string(const xmlNode *string_node, char **str) +static int +node_get_string(const xmlNode *string_node, tchar **tstr_ret) { xmlNode *child; - char *p = NULL; + tchar *tstr = NULL; + int ret; for_node_child(string_node, child) { if (node_is_text(child) && child->content) { - p = STRDUP(child->content); - if (!p) - return WIMLIB_ERR_NOMEM; + ret = utf8_to_tstr_simple(child->content, &tstr); + if (ret) + return ret; break; } } - *str = p; + *tstr_ret = tstr; return 0; } /* Returns the timestamp from a time node. It has child elements and * that are then used to construct a 64-bit timestamp. */ -static u64 node_get_timestamp(const xmlNode *time_node) +static u64 +node_get_timestamp(const xmlNode *time_node) { u32 high_part = 0; u32 low_part = 0; @@ -183,10 +289,11 @@ static u64 node_get_timestamp(const xmlNode *time_node) } /* Used to sort an array of struct image_infos by their image indices. */ -static int sort_by_index(const void *p1, const void *p2) +static int +sort_by_index(const void *p1, const void *p2) { - int index_1 = ((struct image_info*)p1)->index; - int index_2 = ((struct image_info*)p1)->index; + int index_1 = ((const struct image_info*)p1)->index; + int index_2 = ((const struct image_info*)p2)->index; if (index_1 < index_2) return -1; else if (index_1 > index_2) @@ -197,7 +304,8 @@ static int sort_by_index(const void *p1, const void *p2) /* Frees memory allocated inside a struct windows_info structure. */ -static void destroy_windows_info(struct windows_info *windows_info) +static void +destroy_windows_info(struct windows_info *windows_info) { FREE(windows_info->product_name); FREE(windows_info->edition_id); @@ -213,7 +321,8 @@ static void destroy_windows_info(struct windows_info *windows_info) } /* Frees memory allocated inside a struct image_info structure. */ -static void destroy_image_info(struct image_info *image_info) +static void +destroy_image_info(struct image_info *image_info) { FREE(image_info->name); FREE(image_info->description); @@ -224,7 +333,8 @@ static void destroy_image_info(struct image_info *image_info) memset(image_info, 0, sizeof(struct image_info)); } -void free_wim_info(struct wim_info *info) +void +free_wim_info(struct wim_info *info) { if (info) { if (info->images) { @@ -238,8 +348,9 @@ void free_wim_info(struct wim_info *info) /* Reads the information from a element inside the element. * */ -static void xml_read_windows_version(const xmlNode *version_node, - struct windows_version* windows_version) +static void +xml_read_windows_version(const xmlNode *version_node, + struct windows_version* windows_version) { xmlNode *child; for_node_child(version_node, child) { @@ -260,14 +371,15 @@ static void xml_read_windows_version(const xmlNode *version_node, /* Reads the information from a element inside a element. * */ -static int xml_read_languages(const xmlNode *languages_node, - char ***languages_ret, - size_t *num_languages_ret, - char **default_language_ret) +static int +xml_read_languages(const xmlNode *languages_node, + tchar ***languages_ret, + size_t *num_languages_ret, + tchar **default_language_ret) { xmlNode *child; size_t num_languages = 0; - char **languages; + tchar **languages; int ret; for_node_child(languages_node, child) @@ -296,8 +408,9 @@ static int xml_read_languages(const xmlNode *languages_node, } /* Reads the information from a element inside an element. */ -static int xml_read_windows_info(const xmlNode *windows_node, - struct windows_info *windows_info) +static int +xml_read_windows_info(const xmlNode *windows_node, + struct windows_info *windows_info) { xmlNode *child; int ret = 0; @@ -343,8 +456,8 @@ static int xml_read_windows_info(const xmlNode *windows_node, } /* Reads the information from an element. */ -static int xml_read_image_info(xmlNode *image_node, - struct image_info *image_info) +static int +xml_read_image_info(xmlNode *image_node, struct image_info *image_info) { xmlNode *child; xmlChar *index_prop; @@ -394,12 +507,12 @@ static int xml_read_image_info(xmlNode *image_node, return ret; } if (!image_info->name) { - char *empty_name; - WARNING("Image with index %d has no name", image_info->index); - empty_name = MALLOC(1); + tchar *empty_name; + /*WARNING("Image with index %d has no name", image_info->index);*/ + empty_name = MALLOC(sizeof(tchar)); if (!empty_name) return WIMLIB_ERR_NOMEM; - *empty_name = '\0'; + *empty_name = T('\0'); image_info->name = empty_name; } return ret; @@ -407,8 +520,8 @@ static int xml_read_image_info(xmlNode *image_node, /* Reads the information from a element, which should be the root element * of the XML tree. */ -static int xml_read_wim_info(const xmlNode *wim_node, - struct wim_info **wim_info_ret) +static int +xml_read_wim_info(const xmlNode *wim_node, struct wim_info **wim_info_ret) { struct wim_info *wim_info; xmlNode *child; @@ -477,70 +590,137 @@ err: return ret; } -/* Prints the information contained in a `struct windows_info'. */ -static void print_windows_info(const struct windows_info *windows_info) +/* Prints the information contained in a `struct windows_info'. + * + * Warning: any strings printed here are in UTF-8 encoding. If the locale + * character encoding is not UTF-8, the printed strings may be garbled. */ +static void +print_windows_info(const struct windows_info *windows_info) { const struct windows_version *windows_version; - printf("Architecture: %s\n", get_arch(windows_info->arch)); + tprintf(T("Architecture: %"TS"\n"), + get_arch(windows_info->arch)); - if (windows_info->product_name) - printf("Product Name: %s\n", - windows_info->product_name); + if (windows_info->product_name) { + tprintf(T("Product Name: %"TS"\n"), + windows_info->product_name); + } - if (windows_info->edition_id) - printf("Edition ID: %s\n", - windows_info->edition_id); + if (windows_info->edition_id) { + tprintf(T("Edition ID: %"TS"\n"), + windows_info->edition_id); + } - if (windows_info->installation_type) - printf("Installation Type: %s\n", - windows_info->installation_type); + if (windows_info->installation_type) { + tprintf(T("Installation Type: %"TS"\n"), + windows_info->installation_type); + } - if (windows_info->hal) - printf("HAL: %s\n", - windows_info->hal); + if (windows_info->hal) { + tprintf(T("HAL: %"TS"\n"), + windows_info->hal); + } - if (windows_info->product_type) - printf("Product Type: %s\n", - windows_info->product_type); + if (windows_info->product_type) { + tprintf(T("Product Type: %"TS"\n"), + windows_info->product_type); + } - if (windows_info->product_suite) - printf("Product Suite: %s\n", - windows_info->product_suite); + if (windows_info->product_suite) { + tprintf(T("Product Suite: %"TS"\n"), + windows_info->product_suite); + } - printf("Languages: "); + tprintf(T("Languages: ")); for (size_t i = 0; i < windows_info->num_languages; i++) { - fputs(windows_info->languages[i], stdout); - putchar(' '); + + tfputs(windows_info->languages[i], stdout); + tputchar(T(' ')); } - putchar('\n'); - if (windows_info->default_language) - printf("Default Language: %s\n", - windows_info->default_language); - if (windows_info->system_root) - printf("System Root: %s\n", - windows_info->system_root); + tputchar(T('\n')); + if (windows_info->default_language) { + tprintf(T("Default Language: %"TS"\n"), + windows_info->default_language); + } + if (windows_info->system_root) { + tprintf(T("System Root: %"TS"\n"), + windows_info->system_root); + } + if (windows_info->windows_version_exists) { windows_version = &windows_info->windows_version; - printf("Major Version: %"PRIu64"\n", - windows_version->major); - printf("Minor Version: %"PRIu64"\n", - windows_version->minor); - printf("Build: %"PRIu64"\n", - windows_version->build); - printf("Service Pack Build: %"PRIu64"\n", - windows_version->sp_build); - printf("Service Pack Level: %"PRIu64"\n", - windows_version->sp_level); + tprintf(T("Major Version: %"PRIu64"\n"), + windows_version->major); + tprintf(T("Minor Version: %"PRIu64"\n"), + windows_version->minor); + tprintf(T("Build: %"PRIu64"\n"), + windows_version->build); + tprintf(T("Service Pack Build: %"PRIu64"\n"), + windows_version->sp_build); + tprintf(T("Service Pack Level: %"PRIu64"\n"), + windows_version->sp_level); + } +} + +static int +xml_write_string(xmlTextWriter *writer, const char *name, + const tchar *tstr) +{ + if (tstr) { + char *utf8_str; + int rc = tstr_to_utf8_simple(tstr, &utf8_str); + if (rc) + return rc; + rc = xmlTextWriterWriteElement(writer, name, utf8_str); + FREE(utf8_str); + if (rc < 0) + return rc; } + return 0; } +static int +xml_write_strings_from_specs(xmlTextWriter *writer, + const void *struct_with_strings, + const struct xml_string_spec specs[], + size_t num_specs) +{ + for (size_t i = 0; i < num_specs; i++) { + int rc = xml_write_string(writer, specs[i].name, + *(const tchar * const *) + (struct_with_strings + specs[i].offset)); + if (rc) + return rc; + } + return 0; +} + +static int +dup_strings_from_specs(const void *old_struct_with_strings, + void *new_struct_with_strings, + const struct xml_string_spec specs[], + size_t num_specs) +{ + for (size_t i = 0; i < num_specs; i++) { + const tchar *old_str = *(const tchar * const *) + ((const void*)old_struct_with_strings + specs[i].offset); + tchar **new_str_p = (tchar **)((void*)new_struct_with_strings + specs[i].offset); + if (old_str) { + *new_str_p = TSTRDUP(old_str); + if (!*new_str_p) + return WIMLIB_ERR_NOMEM; + } + } + return 0; +} /* Writes the information contained in a `struct windows_version' to the XML * document being written. This is the element inside the * element. */ -static int xml_write_windows_version(xmlTextWriter *writer, - const struct windows_version *version) +static int +xml_write_windows_version(xmlTextWriter *writer, + const struct windows_version *version) { int rc; rc = xmlTextWriterStartElement(writer, "VERSION"); @@ -572,13 +752,18 @@ static int xml_write_windows_version(xmlTextWriter *writer, if (rc < 0) return rc; - return xmlTextWriterEndElement(writer); /* */ + rc = xmlTextWriterEndElement(writer); /* */ + if (rc < 0) + return rc; + + return 0; } /* Writes the information contained in a `struct windows_info' to the XML * document being written. This is the element. */ -static int xml_write_windows_info(xmlTextWriter *writer, - const struct windows_info *windows_info) +static int +xml_write_windows_info(xmlTextWriter *writer, + const struct windows_info *windows_info) { int rc; rc = xmlTextWriterStartElement(writer, "WINDOWS"); @@ -590,47 +775,12 @@ static int xml_write_windows_info(xmlTextWriter *writer, if (rc < 0) return rc; - if (windows_info->product_name) { - rc = xmlTextWriterWriteElement(writer, "PRODUCTNAME", - windows_info->product_name); - if (rc < 0) - return rc; - } - - if (windows_info->edition_id) { - rc = xmlTextWriterWriteElement(writer, "EDITIONID", - windows_info->edition_id); - if (rc < 0) - return rc; - } - - if (windows_info->installation_type) { - rc = xmlTextWriterWriteElement(writer, "INSTALLATIONTYPE", - windows_info->installation_type); - if (rc < 0) - return rc; - } - - if (windows_info->hal) { - rc = xmlTextWriterWriteElement(writer, "HAL", - windows_info->hal); - if (rc < 0) - return rc; - } - - if (windows_info->product_type) { - rc = xmlTextWriterWriteElement(writer, "PRODUCTTYPE", - windows_info->product_type); - if (rc < 0) - return rc; - } - - if (windows_info->product_suite) { - rc = xmlTextWriterWriteElement(writer, "PRODUCTSUITE", - windows_info->product_suite); - if (rc < 0) - return rc; - } + rc = xml_write_strings_from_specs(writer, + windows_info, + windows_info_xml_string_specs, + ARRAY_LEN(windows_info_xml_string_specs)); + if (rc) + return rc; if (windows_info->num_languages) { rc = xmlTextWriterStartElement(writer, "LANGUAGES"); @@ -638,14 +788,15 @@ static int xml_write_windows_info(xmlTextWriter *writer, return rc; for (size_t i = 0; i < windows_info->num_languages; i++) { - rc = xmlTextWriterWriteElement(writer, "LANGUAGE", - windows_info->languages[i]); - if (rc < 0) + rc = xml_write_string(writer, "LANGUAGE", + windows_info->languages[i]); + if (rc) return rc; } - rc = xmlTextWriterWriteElement(writer, "DEFAULT", - windows_info->default_language); - if (rc < 0) + + rc = xml_write_string(writer, "DEFAULT", + windows_info->default_language); + if (rc) return rc; rc = xmlTextWriterEndElement(writer); /* */ @@ -655,23 +806,24 @@ static int xml_write_windows_info(xmlTextWriter *writer, if (windows_info->windows_version_exists) { rc = xml_write_windows_version(writer, &windows_info->windows_version); - if (rc < 0) + if (rc) return rc; } - if (windows_info->system_root) { - rc = xmlTextWriterWriteElement(writer, "SYSTEMROOT", - windows_info->system_root); - if (rc < 0) - return rc; - } + rc = xml_write_string(writer, "SYSTEMROOT", windows_info->system_root); + if (rc) + return rc; + + rc = xmlTextWriterEndElement(writer); /* */ + if (rc < 0) + return rc; - return xmlTextWriterEndElement(writer); /* */ + return 0; } /* Writes a time element to the XML document being constructed in memory. */ -static int xml_write_time(xmlTextWriter *writer, const char *element_name, - u64 time) +static int +xml_write_time(xmlTextWriter *writer, const char *element_name, u64 time) { int rc; rc = xmlTextWriterStartElement(writer, element_name); @@ -695,8 +847,8 @@ static int xml_write_time(xmlTextWriter *writer, const char *element_name, } /* Writes an element to the XML document. */ -static int xml_write_image_info(xmlTextWriter *writer, - const struct image_info *image_info) +static int +xml_write_image_info(xmlTextWriter *writer, const struct image_info *image_info) { int rc; rc = xmlTextWriterStartElement(writer, "IMAGE"); @@ -739,51 +891,29 @@ static int xml_write_image_info(xmlTextWriter *writer, if (image_info->windows_info_exists) { rc = xml_write_windows_info(writer, &image_info->windows_info); - if (rc < 0) - return rc; - } - - if (image_info->name) { - rc = xmlTextWriterWriteElement(writer, "NAME", - image_info->name); - if (rc < 0) + if (rc) return rc; } - if (image_info->description) { - rc = xmlTextWriterWriteElement(writer, "DESCRIPTION", - image_info->description); - if (rc < 0) - return rc; - } - if (image_info->display_name) { - rc = xmlTextWriterWriteElement(writer, "DISPLAYNAME", - image_info->display_name); - if (rc < 0) - return rc; - } - if (image_info->display_description) { - rc = xmlTextWriterWriteElement(writer, "DISPLAYDESCRIPTION", - image_info->display_description); - if (rc < 0) - return rc; - } + rc = xml_write_strings_from_specs(writer, image_info, + image_info_xml_string_specs, + ARRAY_LEN(image_info_xml_string_specs)); + if (rc) + return rc; - if (image_info->flags) { - rc = xmlTextWriterWriteElement(writer, "FLAGS", - image_info->flags); - if (rc < 0) - return rc; - } + rc = xmlTextWriterEndElement(writer); /* */ + if (rc < 0) + return rc; - return xmlTextWriterEndElement(writer); /* */ + return 0; } /* Makes space for another image in the XML information and return a pointer to * it.*/ -static struct image_info *add_image_info_struct(struct wim_info *wim_info) +static struct image_info * +add_image_info_struct(struct wim_info *wim_info) { struct image_info *images; @@ -798,40 +928,33 @@ static struct image_info *add_image_info_struct(struct wim_info *wim_info) return &images[wim_info->num_images - 1]; } -static int clone_windows_info(const struct windows_info *old, - struct windows_info *new) +static int +clone_windows_info(const struct windows_info *old, struct windows_info *new) { - if (old->product_name && !(new->product_name = STRDUP(old->product_name))) - return WIMLIB_ERR_NOMEM; - if (old->edition_id && !(new->edition_id = STRDUP(old->edition_id))) - return WIMLIB_ERR_NOMEM; - if (old->installation_type && !(new->installation_type = - STRDUP(old->installation_type))) - return WIMLIB_ERR_NOMEM; - if (old->hal && !(new->hal = STRDUP(old->hal))) - return WIMLIB_ERR_NOMEM; - if (old->product_type && !(new->product_type = STRDUP(old->product_type))) - return WIMLIB_ERR_NOMEM; - if (old->product_suite && !(new->product_suite = STRDUP(old->product_suite))) - return WIMLIB_ERR_NOMEM; + int ret; + + ret = dup_strings_from_specs(old, new, windows_info_xml_string_specs, + ARRAY_LEN(windows_info_xml_string_specs)); + if (ret) + return ret; if (old->languages) { - new->languages = CALLOC(old->num_languages, sizeof(char*)); + new->languages = CALLOC(old->num_languages, sizeof(new->languages[0])); if (!new->languages) return WIMLIB_ERR_NOMEM; new->num_languages = old->num_languages; for (size_t i = 0; i < new->num_languages; i++) { if (!old->languages[i]) continue; - new->languages[i] = STRDUP(old->languages[i]); + new->languages[i] = TSTRDUP(old->languages[i]); if (!new->languages[i]) return WIMLIB_ERR_NOMEM; } } if (old->default_language && - !(new->default_language = STRDUP(old->default_language))) + !(new->default_language = TSTRDUP(old->default_language))) return WIMLIB_ERR_NOMEM; - if (old->system_root && !(new->system_root = STRDUP(old->system_root))) + if (old->system_root && !(new->system_root = TSTRDUP(old->system_root))) return WIMLIB_ERR_NOMEM; if (old->windows_version_exists) { new->windows_version_exists = true; @@ -841,8 +964,11 @@ static int clone_windows_info(const struct windows_info *old, return 0; } -static int clone_image_info(const struct image_info *old, struct image_info *new) +static int +clone_image_info(const struct image_info *old, struct image_info *new) { + int ret; + new->dir_count = old->dir_count; new->file_count = old->file_count; new->total_bytes = old->total_bytes; @@ -850,29 +976,18 @@ static int clone_image_info(const struct image_info *old, struct image_info *new new->creation_time = old->creation_time; new->last_modification_time = old->last_modification_time; - if (!(new->name = STRDUP(old->name))) - return WIMLIB_ERR_NOMEM; - - if (old->description) - if (!(new->description = STRDUP(old->description))) - return WIMLIB_ERR_NOMEM; - - if (old->display_name) - if (!(new->display_name = STRDUP(old->display_name))) - return WIMLIB_ERR_NOMEM; - - if (old->display_description) - if (!(new->display_description = STRDUP(old->display_description))) - return WIMLIB_ERR_NOMEM; - - if (old->flags) - if (!(new->flags = STRDUP(old->flags))) - return WIMLIB_ERR_NOMEM; + ret = dup_strings_from_specs(old, new, + image_info_xml_string_specs, + ARRAY_LEN(image_info_xml_string_specs)); + if (ret) + return ret; if (old->windows_info_exists) { new->windows_info_exists = true; - return clone_windows_info(&old->windows_info, - &new->windows_info); + ret = clone_windows_info(&old->windows_info, + &new->windows_info); + if (ret) + return ret; } return 0; } @@ -886,11 +1001,12 @@ static int clone_image_info(const struct image_info *old, struct image_info *new * On failure, WIMLIB_ERR_NOMEM is returned and no changes are made. Otherwise, * 0 is returned and the WIM information at *new_wim_info_p is modified. */ -int xml_export_image(const struct wim_info *old_wim_info, - int image, - struct wim_info **new_wim_info_p, - const char *dest_image_name, - const char *dest_image_description) +int +xml_export_image(const struct wim_info *old_wim_info, + int image, + struct wim_info **new_wim_info_p, + const tchar *dest_image_name, + const tchar *dest_image_description) { struct wim_info *new_wim_info; struct image_info *image_info; @@ -921,13 +1037,13 @@ int xml_export_image(const struct wim_info *old_wim_info, if (dest_image_name) { FREE(image_info->name); - image_info->name = STRDUP(dest_image_name); + image_info->name = TSTRDUP(dest_image_name); if (!image_info->name) goto err_destroy_image_info; } if (dest_image_description) { FREE(image_info->description); - image_info->description = STRDUP(dest_image_description); + image_info->description = TSTRDUP(dest_image_description); if (!image_info->description) goto err_destroy_image_info; } @@ -942,19 +1058,20 @@ err: } /* Removes an image from the XML information. */ -void xml_delete_image(struct wim_info **wim_info_p, int image) +void +xml_delete_image(struct wim_info **wim_info_p, int image) { struct wim_info *wim_info; - DEBUG("Deleting image %d from the XML data.", image); - wim_info = *wim_info_p; + wimlib_assert(image >= 1 && image <= wim_info->num_images); + DEBUG("Deleting image %d from the XML data.", image); destroy_image_info(&wim_info->images[image - 1]); - memcpy(&wim_info->images[image - 1], - &wim_info->images[image], - (wim_info->num_images - image) * sizeof(struct image_info)); + memmove(&wim_info->images[image - 1], + &wim_info->images[image], + (wim_info->num_images - image) * sizeof(struct image_info)); if (--wim_info->num_images == 0) { free_wim_info(wim_info); @@ -965,35 +1082,31 @@ void xml_delete_image(struct wim_info **wim_info_p, int image) } } -size_t xml_get_max_image_name_len(const WIMStruct *w) +size_t +xml_get_max_image_name_len(const WIMStruct *wim) { size_t max_len = 0; - if (w->wim_info) { - size_t len; - for (int i = 0; i < w->wim_info->num_images; i++) { - len = strlen(w->wim_info->images[i].name); - if (len > max_len) - max_len = len; - } - } + for (u32 i = 0; i < wim->hdr.image_count; i++) + max_len = max(max_len, tstrlen(wim->wim_info->images[i].name)); return max_len; } #ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR -void xml_set_memory_allocator(void *(*malloc_func)(size_t), - void (*free_func)(void *), - void *(*realloc_func)(void *, size_t)) +void +xml_set_memory_allocator(void *(*malloc_func)(size_t), + void (*free_func)(void *), + void *(*realloc_func)(void *, size_t)) { xmlMemSetup(free_func, malloc_func, realloc_func, STRDUP); } #endif -static int calculate_dentry_statistics(struct dentry *dentry, void *arg) +static int +calculate_dentry_statistics(struct wim_dentry *dentry, void *arg) { struct image_info *info = arg; - struct lookup_table *lookup_table = info->lookup_table; - const struct inode *inode = dentry->d_inode; - struct lookup_table_entry *lte; + const struct wim_inode *inode = dentry->d_inode; + struct wim_lookup_table_entry *lte; /* Update directory count and file count. * @@ -1045,12 +1158,12 @@ static int calculate_dentry_statistics(struct dentry *dentry, void *arg) info->hard_link_bytes += wim_resource_size(lte); } - if (inode->link_count >= 2 && dentry_is_first_in_inode(dentry)) { - for (unsigned i = 0; i < inode->num_ads; i++) { - if (inode->ads_entries[i].stream_name_len) { - lte = inode_stream_lte(inode, i + 1, lookup_table); + if (inode->i_nlink >= 2 && dentry_is_first_in_inode(dentry)) { + for (unsigned i = 0; i < inode->i_num_ads; i++) { + if (inode->i_ads_entries[i].stream_name_nbytes) { + lte = inode_stream_lte(inode, i + 1, info->lookup_table); if (lte) { - info->hard_link_bytes += inode->link_count * + info->hard_link_bytes += inode->i_nlink * wim_resource_size(lte); } } @@ -1066,31 +1179,30 @@ static int calculate_dentry_statistics(struct dentry *dentry, void *arg) * Please note there is no official documentation for exactly how this is done. * But, see calculate_dentry_statistics(). */ -void xml_update_image_info(WIMStruct *w, int image) +void +xml_update_image_info(WIMStruct *wim, int image) { struct image_info *image_info; - char *flags_save; DEBUG("Updating the image info for image %d", image); - image_info = &w->wim_info->images[image - 1]; + image_info = &wim->wim_info->images[image - 1]; image_info->file_count = 0; image_info->dir_count = 0; image_info->total_bytes = 0; image_info->hard_link_bytes = 0; + image_info->lookup_table = wim->lookup_table; - flags_save = image_info->flags; - image_info->lookup_table = w->lookup_table; - for_dentry_in_tree(w->image_metadata[image - 1].root_dentry, + for_dentry_in_tree(wim->image_metadata[image - 1]->root_dentry, calculate_dentry_statistics, image_info); - image_info->flags = flags_save; image_info->last_modification_time = get_wim_timestamp(); } /* Adds an image to the XML information. */ -int xml_add_image(WIMStruct *w, const char *name) +int +xml_add_image(WIMStruct *wim, const tchar *name) { struct wim_info *wim_info; struct image_info *image_info; @@ -1099,8 +1211,8 @@ int xml_add_image(WIMStruct *w, const char *name) /* If this is the first image, allocate the struct wim_info. Otherwise * use the existing struct wim_info. */ - if (w->wim_info) { - wim_info = w->wim_info; + if (wim->wim_info) { + wim_info = wim->wim_info; } else { wim_info = CALLOC(1, sizeof(struct wim_info)); if (!wim_info) @@ -1111,416 +1223,462 @@ int xml_add_image(WIMStruct *w, const char *name) if (!image_info) goto out_free_wim_info; - if (!(image_info->name = STRDUP(name))) + if (!(image_info->name = TSTRDUP(name))) goto out_destroy_image_info; - w->wim_info = wim_info; + wim->wim_info = wim_info; image_info->index = wim_info->num_images; image_info->creation_time = get_wim_timestamp(); - xml_update_image_info(w, image_info->index); + xml_update_image_info(wim, image_info->index); return 0; out_destroy_image_info: destroy_image_info(image_info); wim_info->num_images--; out_free_wim_info: - if (wim_info != w->wim_info) + if (wim_info != wim->wim_info) FREE(wim_info); return WIMLIB_ERR_NOMEM; } /* Prints information about the specified image from struct wim_info structure. * */ -void print_image_info(const struct wim_info *wim_info, int image) +void +print_image_info(const struct wim_info *wim_info, int image) { const struct image_info *image_info; - const char *desc; - char buf[50]; + const tchar *desc; + tchar buf[50]; wimlib_assert(image >= 1 && image <= wim_info->num_images); image_info = &wim_info->images[image - 1]; - printf("Index: %d\n", image_info->index); - printf("Name: %s\n", image_info->name); + tprintf(T("Index: %d\n"), image_info->index); + tprintf(T("Name: %"TS"\n"), image_info->name); /* Always print the Description: part even if there is no * description. */ if (image_info->description) desc = image_info->description; else - desc = ""; - printf("Description: %s\n", desc); + desc = T(""); + tprintf(T("Description: %"TS"\n"), desc); - if (image_info->display_name) - printf("Display Name: %s\n", - image_info->display_name); + if (image_info->display_name) { + tprintf(T("Display Name: %"TS"\n"), + image_info->display_name); + } - if (image_info->display_description) - printf("Display Description: %s\n", - image_info->display_description); + if (image_info->display_description) { + tprintf(T("Display Description: %"TS"\n"), + image_info->display_description); + } - printf("Directory Count: %"PRIu64"\n", image_info->dir_count); - printf("File Count: %"PRIu64"\n", image_info->file_count); - printf("Total Bytes: %"PRIu64"\n", image_info->total_bytes); - printf("Hard Link Bytes: %"PRIu64"\n", image_info->hard_link_bytes); + tprintf(T("Directory Count: %"PRIu64"\n"), image_info->dir_count); + tprintf(T("File Count: %"PRIu64"\n"), image_info->file_count); + tprintf(T("Total Bytes: %"PRIu64"\n"), image_info->total_bytes); + tprintf(T("Hard Link Bytes: %"PRIu64"\n"), image_info->hard_link_bytes); wim_timestamp_to_str(image_info->creation_time, buf, sizeof(buf)); - printf("Creation Time: %s\n", buf); + tprintf(T("Creation Time: %"TS"\n"), buf); - wim_timestamp_to_str(image_info->creation_time, buf, sizeof(buf)); - printf("Last Modification Time: %s\n", buf); + wim_timestamp_to_str(image_info->last_modification_time, buf, sizeof(buf)); + tprintf(T("Last Modification Time: %"TS"\n"), buf); if (image_info->windows_info_exists) print_windows_info(&image_info->windows_info); if (image_info->flags) - printf("Flags: %s\n", image_info->flags); - putchar('\n'); + tprintf(T("Flags: %"TS"\n"), image_info->flags); + tputchar('\n'); } -/* - * Reads the XML data from a WIM file. - */ -int read_xml_data(FILE *fp, const struct resource_entry *res_entry, - u8 **xml_data_ret, struct wim_info **info_ret) +void +libxml_global_init(void) +{ + xmlInitParser(); + xmlInitCharEncodingHandlers(); +} + +void +libxml_global_cleanup(void) +{ + xmlCleanupParser(); + xmlCleanupCharEncodingHandlers(); +} + +/* Reads the XML data from a WIM file. */ +int +read_wim_xml_data(WIMStruct *wim) { + void *buf; u8 *xml_data; xmlDoc *doc; xmlNode *root; int ret; + const struct resource_entry *res_entry; - DEBUG("XML data is %"PRIu64" bytes at offset %"PRIu64"", - (u64)res_entry->size, res_entry->offset); - - if (resource_is_compressed(res_entry)) { - ERROR("XML data is supposed to be uncompressed"); - ret = WIMLIB_ERR_XML; - goto out_cleanup_parser; - } - - if (res_entry->size < 2) { - ERROR("XML data must be at least 2 bytes long"); - ret = WIMLIB_ERR_XML; - goto out_cleanup_parser; - } - - xml_data = MALLOC(res_entry->size + 2); - if (!xml_data) { - ret = WIMLIB_ERR_NOMEM; - goto out_cleanup_parser; - } - - ret = read_uncompressed_resource(fp, res_entry->offset, - res_entry->size, xml_data); - if (ret != 0) - goto out_free_xml_data; - - /* Null-terminate just in case */ - xml_data[res_entry->size] = 0; - xml_data[res_entry->size + 1] = 0; + res_entry = &wim->hdr.xml_res_entry; - DEBUG("Parsing XML using libxml2 to create XML tree"); + DEBUG("Reading XML data: %"PRIu64" bytes at offset %"PRIu64"", + (u64)res_entry->size, res_entry->offset); - doc = xmlReadMemory(xml_data, res_entry->size, - "noname.xml", "UTF-16", 0); + ret = res_entry_to_data(res_entry, wim, &buf); + if (ret) + goto out; + xml_data = buf; + doc = xmlReadMemory((const char *)xml_data, res_entry->original_size, + NULL, "UTF-16LE", 0); if (!doc) { ERROR("Failed to parse XML data"); ret = WIMLIB_ERR_XML; goto out_free_xml_data; } - DEBUG("Constructing WIM information structure from XML tree."); - root = xmlDocGetRootElement(doc); - if (!root) { - ERROR("WIM XML data is an empty XML document"); + if (!root || !node_is_element(root) || !node_name_is(root, "WIM")) { + ERROR("WIM XML data is invalid"); ret = WIMLIB_ERR_XML; goto out_free_doc; } - if (!node_is_element(root) || !node_name_is(root, "WIM")) { - ERROR("Expected for the root XML element (found <%s>)", - root->name); - ret = WIMLIB_ERR_XML; - goto out_free_doc; - } - - ret = xml_read_wim_info(root, info_ret); - if (ret != 0) - goto out_free_doc; - - DEBUG("Freeing XML tree."); - - *xml_data_ret = xml_data; - xml_data = NULL; + ret = xml_read_wim_info(root, &wim->wim_info); out_free_doc: xmlFreeDoc(doc); out_free_xml_data: FREE(xml_data); -out_cleanup_parser: - xmlCleanupParser(); +out: return ret; } -#define CHECK_RET ({ if (ret < 0) { \ - ERROR("Error writing XML data"); \ - ret = WIMLIB_ERR_WRITE; \ - goto out_free_text_writer; \ - } }) - -/* - * Writes XML data to a WIM file. +/* Prepares an in-memory buffer containing the UTF-16LE XML data for a WIM file. * - * If @total_bytes is non-zero, it specifies what to write to the TOTALBYTES - * element in the XML data. If zero, TOTALBYTES is given the default value of - * the offset of the XML data. + * total_bytes is the number to write in , or + * WIM_TOTALBYTES_USE_EXISTING to use the existing value in memory, or + * WIM_TOTALBYTES_OMIT to omit entirely. */ -int write_xml_data(const struct wim_info *wim_info, int image, FILE *out, - u64 total_bytes, struct resource_entry *out_res_entry) +static int +prepare_wim_xml_data(WIMStruct *wim, int image, u64 total_bytes, + u8 **xml_data_ret, size_t *xml_len_ret) { xmlCharEncodingHandler *encoding_handler; - xmlOutputBuffer *out_buffer; + xmlBuffer *buf; + xmlOutputBuffer *outbuf; xmlTextWriter *writer; int ret; - off_t start_offset; - off_t end_offset; - - wimlib_assert(image == WIMLIB_ALL_IMAGES || - (wim_info != NULL && image >= 1 && - image <= wim_info->num_images)); - - start_offset = ftello(out); - if (start_offset == -1) - return WIMLIB_ERR_WRITE; - - DEBUG("Writing XML data for image %d at offset %"PRIu64, - image, start_offset); - - /* 2 bytes endianness marker for UTF-16LE. This is _required_ for WIM - * XML data. */ - if ((putc(0xff, out)) == EOF || (putc(0xfe, out) == EOF)) { - ERROR_WITH_ERRNO("Error writing XML data"); - return WIMLIB_ERR_WRITE; - } - - /* The contents of the element in the XML data, under the - * element (not the element), is for non-split WIMs the - * size of the WIM file excluding the XML data and integrity table. - * This should be equal to the current position in the output stream, - * since the XML data and integrity table are the last elements of the - * WIM. - * - * For split WIMs, takes into account the entire WIM, not - * just the current part. In that case, @total_bytes should be passed - * in to this function. */ - if (total_bytes == 0) - total_bytes = start_offset; + int first, last; + const xmlChar *content; + int len; + u8 *xml_data; + size_t xml_len; - xmlInitCharEncodingHandlers(); + /* Open an xmlTextWriter that writes to an in-memory buffer using + * UTF-16LE encoding. */ - /* The encoding of the XML data must be UTF-16LE. */ encoding_handler = xmlGetCharEncodingHandler(XML_CHAR_ENCODING_UTF16LE); if (!encoding_handler) { ERROR("Failed to get XML character encoding handler for UTF-16LE"); - ret = WIMLIB_ERR_CHAR_CONVERSION; - goto out_cleanup_char_encoding_handlers; + ret = WIMLIB_ERR_LIBXML_UTF16_HANDLER_NOT_AVAILABLE; + goto out; } - out_buffer = xmlOutputBufferCreateFile(out, encoding_handler); - if (!out_buffer) { + buf = xmlBufferCreate(); + if (!buf) { + ERROR("Failed to create xmlBuffer"); + ret = WIMLIB_ERR_NOMEM; + goto out; + } + + outbuf = xmlOutputBufferCreateBuffer(buf, encoding_handler); + if (!outbuf) { ERROR("Failed to allocate xmlOutputBuffer"); ret = WIMLIB_ERR_NOMEM; - goto out_cleanup_char_encoding_handlers; + goto out_buffer_free; } - writer = xmlNewTextWriter(out_buffer); + writer = xmlNewTextWriter(outbuf); if (!writer) { ERROR("Failed to allocate xmlTextWriter"); ret = WIMLIB_ERR_NOMEM; goto out_output_buffer_close; } - DEBUG("Writing element"); + /* Write the XML document. */ ret = xmlTextWriterStartElement(writer, "WIM"); - CHECK_RET; - - ret = xmlTextWriterWriteFormatElement(writer, "TOTALBYTES", "%"PRIu64, - total_bytes); - CHECK_RET; - - if (wim_info != NULL) { - int first, last; - if (image == WIMLIB_ALL_IMAGES) { - first = 1; - last = wim_info->num_images; - } else { - first = image; - last = image; + if (ret < 0) + goto out_write_error; + + /* The contents of the element in the XML data, under the + * element (not the element), is for non-split WIMs the + * size of the WIM file excluding the XML data and integrity table. + * For split WIMs, takes into account the entire WIM, not + * just the current part. */ + if (total_bytes != WIM_TOTALBYTES_OMIT) { + if (total_bytes == WIM_TOTALBYTES_USE_EXISTING) { + if (wim->wim_info) + total_bytes = wim->wim_info->total_bytes; + else + total_bytes = 0; } - DEBUG("Writing %d elements", last - first + 1); - for (int i = first; i <= last; i++) { - ret = xml_write_image_info(writer, &wim_info->images[i - 1]); - CHECK_RET; + ret = xmlTextWriterWriteFormatElement(writer, "TOTALBYTES", + "%"PRIu64, total_bytes); + if (ret < 0) + goto out_write_error; + } + + if (image == WIMLIB_ALL_IMAGES) { + first = 1; + last = wim->hdr.image_count; + } else { + first = image; + last = image; + } + + for (int i = first; i <= last; i++) { + ret = xml_write_image_info(writer, &wim->wim_info->images[i - 1]); + if (ret) { + if (ret < 0) + goto out_write_error; + goto out_free_text_writer; } } ret = xmlTextWriterEndElement(writer); - CHECK_RET; + if (ret < 0) + goto out_write_error; ret = xmlTextWriterEndDocument(writer); - CHECK_RET; + if (ret < 0) + goto out_write_error; - DEBUG("Ended XML document"); + ret = xmlTextWriterFlush(writer); + if (ret < 0) + goto out_write_error; - /* Call xmlFreeTextWriter() before ftello() because the former will - * flush the file stream. */ - xmlFreeTextWriter(writer); - writer = NULL; + /* Retrieve the buffer into which the document was written. */ - end_offset = ftello(out); - if (end_offset == -1) { - ret = WIMLIB_ERR_WRITE; - } else { - ret = 0; - out_res_entry->offset = start_offset; - out_res_entry->size = end_offset - start_offset; - out_res_entry->original_size = end_offset - start_offset; - out_res_entry->flags = WIM_RESHDR_FLAG_METADATA; + content = xmlBufferContent(buf); + len = xmlBufferLength(buf); + + /* Copy the data into a new buffer, and prefix it with the UTF-16LE BOM + * (byte order mark), which is required by MS's software to understand + * the data. */ + + xml_len = len + 2; + xml_data = MALLOC(xml_len); + if (!xml_data) { + ret = WIMLIB_ERR_NOMEM; + goto out_free_text_writer; } + xml_data[0] = 0xff; + xml_data[1] = 0xfe; + memcpy(&xml_data[2], content, len); + + /* Clean up libxml objects and return success. */ + *xml_data_ret = xml_data; + *xml_len_ret = xml_len; + ret = 0; out_free_text_writer: - /* xmlFreeTextWriter will free the attached xmlOutputBuffer. */ + /* xmlFreeTextWriter will free the attached xmlOutputBuffer. */ xmlFreeTextWriter(writer); - out_buffer = NULL; + goto out_buffer_free; out_output_buffer_close: - if (out_buffer != NULL) - xmlOutputBufferClose(out_buffer); -out_cleanup_char_encoding_handlers: - xmlCleanupCharEncodingHandlers(); + xmlOutputBufferClose(outbuf); +out_buffer_free: + xmlBufferFree(buf); out: - if (ret == 0) - DEBUG("Successfully wrote XML data"); + DEBUG("ret=%d", ret); + return ret; + +out_write_error: + ERROR("Error writing XML data"); + ret = WIMLIB_ERR_WRITE; + goto out_free_text_writer; +} + +/* Writes the XML data to a WIM file. */ +int +write_wim_xml_data(WIMStruct *wim, int image, u64 total_bytes, + struct resource_entry *out_res_entry, + int write_resource_flags) +{ + int ret; + u8 *xml_data; + size_t xml_len; + + DEBUG("Writing WIM XML data (image=%d, offset=%"PRIu64")", + image, total_bytes, wim->out_fd.offset); + + ret = prepare_wim_xml_data(wim, image, total_bytes, + &xml_data, &xml_len); + if (ret) + return ret; + + /* Write the XML data uncompressed. Although wimlib can handle + * compressed XML data, MS software cannot. */ + ret = write_wim_resource_from_buffer(xml_data, + xml_len, + WIM_RESHDR_FLAG_METADATA, + &wim->out_fd, + WIMLIB_COMPRESSION_TYPE_NONE, + out_res_entry, + NULL, + write_resource_flags, + &wim->lzx_context); + FREE(xml_data); + DEBUG("ret=%d"); return ret; } -/* Returns the name of the specified image. */ -WIMLIBAPI const char *wimlib_get_image_name(const WIMStruct *w, int image) +/* API function documented in wimlib.h */ +WIMLIBAPI const tchar * +wimlib_get_image_name(const WIMStruct *wim, int image) { - if (image < 1 || image > w->hdr.image_count) + if (image < 1 || image > wim->hdr.image_count) return NULL; - return w->wim_info->images[image - 1].name; + return wim->wim_info->images[image - 1].name; } -/* Returns the description of the specified image. */ -WIMLIBAPI const char *wimlib_get_image_description(const WIMStruct *w, - int image) +/* API function documented in wimlib.h */ +WIMLIBAPI const tchar * +wimlib_get_image_description(const WIMStruct *wim, int image) { - if (image < 1 || image > w->hdr.image_count) + if (image < 1 || image > wim->hdr.image_count) return NULL; - return w->wim_info->images[image - 1].description; + return wim->wim_info->images[image - 1].description; } -/* Determines if an image name is already used by some image in the WIM. */ -WIMLIBAPI bool wimlib_image_name_in_use(const WIMStruct *w, const char *name) +/* API function documented in wimlib.h */ +WIMLIBAPI bool +wimlib_image_name_in_use(const WIMStruct *wim, const tchar *name) { if (!name || !*name) return false; - for (int i = 1; i <= w->hdr.image_count; i++) - if (strcmp(w->wim_info->images[i - 1].name, name) == 0) + for (int i = 1; i <= wim->hdr.image_count; i++) + if (!tstrcmp(wim->wim_info->images[i - 1].name, name)) return true; return false; } -/* Extracts the raw XML data to a file stream. */ -WIMLIBAPI int wimlib_extract_xml_data(WIMStruct *w, FILE *fp) + +/* API function documented in wimlib.h */ +WIMLIBAPI int +wimlib_get_xml_data(WIMStruct *wim, void **buf_ret, size_t *bufsize_ret) { - if (!w->xml_data) + if (wim->filename == NULL) return WIMLIB_ERR_INVALID_PARAM; - if (fwrite(w->xml_data, 1, w->hdr.xml_res_entry.size, fp) != - w->hdr.xml_res_entry.size) { + + if (buf_ret == NULL || bufsize_ret == NULL) + return WIMLIB_ERR_INVALID_PARAM; + + *bufsize_ret = wim->hdr.xml_res_entry.original_size; + return res_entry_to_data(&wim->hdr.xml_res_entry, wim, buf_ret); +} + +WIMLIBAPI int +wimlib_extract_xml_data(WIMStruct *wim, FILE *fp) +{ + int ret; + void *buf; + size_t bufsize; + + ret = wimlib_get_xml_data(wim, &buf, &bufsize); + if (ret) + return ret; + + if (fwrite(buf, 1, bufsize, fp) != bufsize) { ERROR_WITH_ERRNO("Failed to extract XML data"); - return WIMLIB_ERR_WRITE; + ret = WIMLIB_ERR_WRITE; } - return 0; + FREE(buf); + return ret; } -/* Sets the name of an image in the WIM. */ -WIMLIBAPI int wimlib_set_image_name(WIMStruct *w, int image, const char *name) +/* API function documented in wimlib.h */ +WIMLIBAPI int +wimlib_set_image_name(WIMStruct *wim, int image, const tchar *name) { - char *p; + tchar *p; int i; + int ret; - DEBUG("Setting the name of image %d to %s", image, name); + DEBUG("Setting the name of image %d to %"TS, image, name); - if (!name || !*name) { - ERROR("Must specify a non-empty string for the image name"); - return WIMLIB_ERR_INVALID_PARAM; - } + ret = can_modify_wim(wim); + if (ret) + return ret; + + if (name == NULL) + name = T(""); - if (image < 1 || image > w->hdr.image_count) { + if (image < 1 || image > wim->hdr.image_count) { ERROR("%d is not a valid image", image); return WIMLIB_ERR_INVALID_IMAGE; } - for (i = 1; i <= w->hdr.image_count; i++) { + for (i = 1; i <= wim->hdr.image_count; i++) { if (i == image) continue; - if (strcmp(w->wim_info->images[i - 1].name, name) == 0) { - ERROR("The name `%s' is already used for image %d", - name, i); + if (!tstrcmp(wim->wim_info->images[i - 1].name, name)) { + ERROR("The name \"%"TS"\" is already in use in the WIM!", + name); return WIMLIB_ERR_IMAGE_NAME_COLLISION; } } - p = STRDUP(name); + p = TSTRDUP(name); if (!p) return WIMLIB_ERR_NOMEM; - FREE(w->wim_info->images[image - 1].name); - w->wim_info->images[image - 1].name = p; + FREE(wim->wim_info->images[image - 1].name); + wim->wim_info->images[image - 1].name = p; return 0; } -/* Sets the description of an image in the WIM. */ -WIMLIBAPI int wimlib_set_image_descripton(WIMStruct *w, int image, - const char *description) +static int +do_set_image_info_str(WIMStruct *wim, int image, const tchar *tstr, + size_t offset) { - char *p; + tchar *tstr_copy; + tchar **dest_tstr_p; + int ret; - if (image < 1 || image > w->hdr.image_count) { + ret = can_modify_wim(wim); + if (ret) + return ret; + + if (image < 1 || image > wim->hdr.image_count) { ERROR("%d is not a valid image", image); return WIMLIB_ERR_INVALID_IMAGE; } - if (description) { - p = STRDUP(description); - if (!p) + if (tstr) { + tstr_copy = TSTRDUP(tstr); + if (!tstr_copy) return WIMLIB_ERR_NOMEM; } else { - p = NULL; + tstr_copy = NULL; } - FREE(w->wim_info->images[image - 1].description); - w->wim_info->images[image - 1].description = p; + dest_tstr_p = (tchar**)((void*)&wim->wim_info->images[image - 1] + offset); + + FREE(*dest_tstr_p); + *dest_tstr_p = tstr_copy; return 0; } -/* Set the element of a WIM image */ -WIMLIBAPI int wimlib_set_image_flags(WIMStruct *w, int image, - const char *flags) +/* API function documented in wimlib.h */ +WIMLIBAPI int +wimlib_set_image_descripton(WIMStruct *wim, int image, + const tchar *description) { - char *p; + return do_set_image_info_str(wim, image, description, + offsetof(struct image_info, description)); +} - if (image < 1 || image > w->hdr.image_count) { - ERROR("%d is not a valid image", image); - return WIMLIB_ERR_INVALID_IMAGE; - } - if (flags) { - p = STRDUP(flags); - if (!p) - return WIMLIB_ERR_NOMEM; - } else { - p = NULL; - } - FREE(w->wim_info->images[image - 1].flags); - w->wim_info->images[image - 1].flags = p; - return 0; +/* API function documented in wimlib.h */ +WIMLIBAPI int +wimlib_set_image_flags(WIMStruct *wim, int image, const tchar *flags) +{ + return do_set_image_info_str(wim, image, flags, + offsetof(struct image_info, flags)); }