realtek: Add support for Layer 2 Multicast
[openwrt/openwrt.git] / tools / mtd-utils / patches / 200-libubigen-add-ubigen_write_terminator-function.patch
1 --- a/lib/libubigen.c
2 +++ b/lib/libubigen.c
3 @@ -122,8 +122,9 @@ int ubigen_add_volume(const struct ubige
4 return 0;
5 }
6
7 -void ubigen_init_ec_hdr(const struct ubigen_info *ui,
8 - struct ubi_ec_hdr *hdr, long long ec)
9 +static void __ubigen_init_ec_hdr(const struct ubigen_info *ui,
10 + struct ubi_ec_hdr *hdr, long long ec,
11 + int eof)
12 {
13 uint32_t crc;
14
15 @@ -136,10 +137,22 @@ void ubigen_init_ec_hdr(const struct ubi
16 hdr->data_offset = cpu_to_be32(ui->data_offs);
17 hdr->image_seq = cpu_to_be32(ui->image_seq);
18
19 + if (eof) {
20 + hdr->padding1[0] = 'E';
21 + hdr->padding1[1] = 'O';
22 + hdr->padding1[2] = 'F';
23 + }
24 +
25 crc = mtd_crc32(UBI_CRC32_INIT, hdr, UBI_EC_HDR_SIZE_CRC);
26 hdr->hdr_crc = cpu_to_be32(crc);
27 }
28
29 +void ubigen_init_ec_hdr(const struct ubigen_info *ui,
30 + struct ubi_ec_hdr *hdr, long long ec)
31 +{
32 + __ubigen_init_ec_hdr(ui, hdr, ec, 0);
33 +}
34 +
35 void ubigen_init_vid_hdr(const struct ubigen_info *ui,
36 const struct ubigen_vol_info *vi,
37 struct ubi_vid_hdr *hdr, int lnum,
38 @@ -307,6 +320,39 @@ int ubigen_write_layout_vol(const struct
39 }
40
41 free(outbuf);
42 + return 0;
43 +
44 +out_free:
45 + free(outbuf);
46 + return -1;
47 +}
48 +
49 +int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
50 + int count, int out_fd)
51 +{
52 + char *outbuf;
53 + int peb_size = ui->peb_size;
54 +
55 + outbuf = malloc(peb_size);
56 + if (!outbuf) {
57 + sys_errmsg("cannot allocate %d bytes of memory", peb_size);
58 + return -1;
59 + }
60 +
61 + memset(outbuf, 0xFF, peb_size);
62 + __ubigen_init_ec_hdr(ui, (struct ubi_ec_hdr *)outbuf, ec, 1);
63 +
64 + while (count) {
65 + if (write(out_fd, outbuf, peb_size) != peb_size) {
66 + sys_errmsg("cannot write %d bytes to the output file",
67 + peb_size);
68 + goto out_free;
69 + }
70 +
71 + count--;
72 + }
73 +
74 + free(outbuf);
75 return 0;
76
77 out_free:
78 --- a/include/libubigen.h
79 +++ b/include/libubigen.h
80 @@ -187,6 +187,9 @@ int ubigen_write_layout_vol(const struct
81 long long ec1, long long ec2,
82 struct ubi_vtbl_record *vtbl, int fd);
83
84 +int ubigen_write_eof_markers(const struct ubigen_info *ui, long long ec,
85 + int count, int out_fd);
86 +
87 #ifdef __cplusplus
88 }
89 #endif