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[openwrt.git] / tools / firmware-utils / src / airlink.c

diff --git a/tools/firmware-utils/src/airlink.c b/tools/firmware-utils/src/airlink.c
index aae68eb..657c971 100644 (file)
--- a/tools/firmware-utils/src/airlink.c
+++ b/tools/firmware-utils/src/airlink.c
@@ -102,7 +102,7 @@ u32 header[] = {
        0x00000000, 0x00000005, 0x00000000, 0x00000000
 };
 
-static int JFFS2 = 0x20;
+static int JFFS2 = 0;
 
 int generate_image(char *kname, char *fsname, char *fname, int EHDR)
 {
@@ -136,6 +136,7 @@ int generate_image(char *kname, char *fsname, char *fname, int EHDR)
        else
                write(ffd, header + 2, 0x20);
        write(ffd, bk, lenk);
+       if (!JFFS2) JFFS2 = 0x20;
        printf("Padding header+kernel - 0x%x +  0x%x = 0x%x\n",
               lenk, ((lenk - 1 + JFFS2) / JFFS2) * JFFS2 - lenk,
               ((lenk - 1 + JFFS2) / JFFS2) * JFFS2);
@@ -244,7 +245,7 @@ int main(int argc, char **argv)
        u32 sum, l0;
        u32 MagicS = 0x474d544b;
        u32 MagicE = 0x4152524e;
-       if (htonl(*((u32 *) buf)) == MagicS) {
+       if (ntohl(*((u32 *) buf)) == MagicS) {
                fprintf(stderr,
                        "Image without extra 8 bytes - Standard header\n");
                buf[0x10] = len & 0xff;
@@ -254,8 +255,8 @@ int main(int argc, char **argv)
                lseek(fd, 0x10, SEEK_SET);
                write(fd, buf + 0x10, 0x4);
                EHDR = 0;
-       } else if ((htonl(*((u32 *) (buf + 0x8))) == MagicS)
-                  && ((htonl(*((u32 *) (buf + 0x4))) == MagicE))) {
+       } else if ((ntohl(*((u32 *) (buf + 0x8))) == MagicS)
+                  && ((ntohl(*((u32 *) (buf + 0x4))) == MagicE))) {
                fprintf(stderr,
                        "Image with extra 8 bytes - Extended header\n");
                *((u32 *) (buf + 0x18)) = len - 8;
@@ -318,14 +319,10 @@ int main(int argc, char **argv)
                unsigned long sum2 = buf[-0x8] | ((u32)buf[-0x7] << 8) | ((u32)buf[-0x6] << 16) | ((u32)buf[-0x5] << 24);
                *((u32 *) & buf[-0x8]) = 0L;
                sum = crc32(buf - 0x4, len - 0x4);
-               sum = htonl(sum);
                printf("CRC32 sum2 - (%x, %x, %x)\n", sum, sum2,
                       len - 0x4);
                lseek(fd, 0, SEEK_SET);
-               buf[-0x8] = sum & 0xff;
-               buf[-0x7] = (sum >> 8) & 0xff;
-               buf[-0x6] = (sum >> 16) & 0xff;
-               buf[-0x5] = (sum >> 24) & 0xff;
+               *((u32 *) & buf[-0x8]) = htonl(sum);
                write(fd, &buf[-0x8], 0x4);
                buf -= 8;
        }