X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fsplit.c;h=5b14b924771451fd7c683ff4176209a60857750a;hp=eb8f3484936364edfc9b68b9b33f2793c953239b;hb=4f8059f2d0a74a9922128b162d9c9343b305999c;hpb=1f2091f5bb860769e20105af2d9eff3a0872c57b

diff --git a/src/split.c b/src/split.c
index eb8f3484..5b14b924 100644
--- a/src/split.c
+++ b/src/split.c
@@ -27,6 +27,8 @@
 #include "lookup_table.h"
 #include "xml.h"
 #include "buffer_io.h"
+#include <unistd.h>
+#include <fcntl.h>
 
 struct split_args {
 	WIMStruct *w;
@@ -46,26 +48,12 @@ static int
 finish_swm(WIMStruct *w, struct list_head *lte_list,
 	   int write_flags, wimlib_progress_func_t progress_func)
 {
-	off_t lookup_table_offset = ftello(w->out_fp);
 	int ret;
-	struct wim_lookup_table_entry *lte;
 
-	list_for_each_entry(lte, lte_list, swm_stream_list) {
-		ret = write_lookup_table_entry(lte, w->out_fp);
-		if (ret)
-			return ret;
-	}
-
-	off_t xml_data_offset = ftello(w->out_fp);
-
-	if (lookup_table_offset == -1 || xml_data_offset == -1)
-		return WIMLIB_ERR_WRITE;
-	w->hdr.lookup_table_res_entry.offset = lookup_table_offset;
-	w->hdr.lookup_table_res_entry.size =
-				xml_data_offset - lookup_table_offset;
-	w->hdr.lookup_table_res_entry.original_size =
-				xml_data_offset - lookup_table_offset;
-	w->hdr.lookup_table_res_entry.flags = WIM_RESHDR_FLAG_METADATA;
+	ret = write_lookup_table_from_stream_list(lte_list, w->out_fd,
+						  &w->hdr.lookup_table_res_entry);
+	if (ret)
+		return ret;
 	return finish_write(w, WIMLIB_ALL_IMAGES,
 			    write_flags | WIMLIB_WRITE_FLAG_NO_LOOKUP_TABLE,
 			    progress_func);
@@ -225,6 +213,10 @@ wimlib_split(WIMStruct *w, const tchar *swm_name,
 	int total_parts = args.cur_part_number;
 	for (int i = 1; i <= total_parts; i++) {
 		const tchar *part_name;
+		int part_fd;
+		u8 part_data_buf[4];
+		size_t bytes_written;
+
 		if (i == 1) {
 			part_name = swm_name;
 		} else {
@@ -233,26 +225,26 @@ wimlib_split(WIMStruct *w, const tchar *swm_name,
 			part_name = swm_base_name;
 		}
 
-		FILE *fp = tfopen(part_name, T("r+b"));
-		if (!fp) {
+		part_fd = topen(part_name, O_WRONLY | O_BINARY);
+		if (part_fd == -1) {
 			ERROR_WITH_ERRNO("Failed to open `%"TS"'", part_name);
 			ret = WIMLIB_ERR_OPEN;
 			goto out;
 		}
-		u8 buf[4];
-		put_u16(&buf[0], i);
-		put_u16(&buf[2], total_parts);
-
-		if (fseek(fp, 40, SEEK_SET) != 0 ||
-		    fwrite(buf, 1, sizeof(buf), fp) != sizeof(buf) ||
-		    fclose(fp) != 0)
-		{
-			ERROR_WITH_ERRNO("Error overwriting header of `%"TS"'",
+		put_u16(&part_data_buf[0], i);
+		put_u16(&part_data_buf[2], total_parts);
+
+		bytes_written = full_pwrite(part_fd, part_data_buf,
+					    sizeof(part_data_buf), 40);
+		ret = close(part_fd);
+		if (bytes_written != sizeof(part_data_buf) || ret != 0) {
+			ERROR_WITH_ERRNO("Error updating header of `%"TS"'",
 					 part_name);
 			ret = WIMLIB_ERR_WRITE;
-			break;
+			goto out;
 		}
 	}
+	ret = 0;
 out:
 	close_wim_writable(w);
 	memcpy(&w->hdr, &hdr_save, sizeof(struct wim_header));