Update version to 1.4.2

[wimlib] / src / header.c

diff --git a/src/header.c b/src/header.c
index 332d350fe07a04109f3ca51decf4e6dcfd67300f..6bdf089f1fb132533147eb30d8d73af5f211acdd 100644 (file)
--- a/src/header.c
+++ b/src/header.c
@@ -228,6 +228,38 @@ write_header(const struct wim_header *hdr, int out_fd)
        return 0;
 }
 
+/* Update just the wim_flags field. */
+int
+write_header_flags(u32 hdr_flags, int out_fd)
+{
+       le32 flags = cpu_to_le32(hdr_flags);
+       if (full_pwrite(out_fd, &flags, sizeof(flags),
+                       offsetof(struct wim_header_disk, wim_flags)) != sizeof(flags))
+       {
+               return WIMLIB_ERR_WRITE;
+       } else {
+               return 0;
+       }
+
+}
+
+/* Update just the part_number and total_parts fields. */
+int
+write_header_part_data(u16 part_number, u16 total_parts, int out_fd)
+{
+       le16 part_data[2] = {
+               cpu_to_le16(part_number),
+               cpu_to_le16(total_parts),
+       };
+       if (full_pwrite(out_fd, &part_data, sizeof(part_data),
+                       offsetof(struct wim_header_disk, part_number)) != sizeof(part_data))
+       {
+               return WIMLIB_ERR_WRITE;
+       } else {
+               return 0;
+       }
+}
+
 /*
  * Initializes the header for a WIM file.
  */
@@ -275,11 +307,11 @@ struct hdr_flag hdr_flags[] = {
        {WIM_HDR_FLAG_COMPRESS_XPRESS,  "COMPRESS_XPRESS"},
 };
 
-/* Prints information from the header of the WIM file associated with @w. */
+/* Prints information from the header of the WIM file associated with @wim. */
 WIMLIBAPI void
-wimlib_print_header(const WIMStruct *w)
+wimlib_print_header(const WIMStruct *wim)
 {
-       const struct wim_header *hdr = &w->hdr;
+       const struct wim_header *hdr = &wim->hdr;
 
        tprintf(T("Magic Characters            = MSWIM\\000\\000\\000\n"));
        tprintf(T("Header Size                 = %u\n"), WIM_HEADER_DISK_SIZE);
@@ -294,8 +326,8 @@ wimlib_print_header(const WIMStruct *w)
        tfputs (T("GUID                        = "), stdout);
        print_byte_field(hdr->guid, WIM_GID_LEN, stdout);
        tputchar(T('\n'));
-       tprintf(T("Part Number                 = %hu\n"), w->hdr.part_number);
-       tprintf(T("Total Parts                 = %hu\n"), w->hdr.total_parts);
+       tprintf(T("Part Number                 = %hu\n"), wim->hdr.part_number);
+       tprintf(T("Total Parts                 = %hu\n"), wim->hdr.total_parts);
        tprintf(T("Image Count                 = %u\n"), hdr->image_count);
        tprintf(T("Lookup Table Size           = %"PRIu64"\n"),
                                (u64)hdr->lookup_table_res_entry.size);