kernel.mk: add a new helper for comparing kernel versions, which can take 1 - 4 field...

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

diff --git a/tools/firmware-utils/src/mkdniimg.c b/tools/firmware-utils/src/mkdniimg.c
index 48e1727..7230f09 100644 (file)
--- a/tools/firmware-utils/src/mkdniimg.c
+++ b/tools/firmware-utils/src/mkdniimg.c
@@ -28,6 +28,7 @@ static char *progname;
 static char *ofname;
 static char *version = "1.00.00";
 static char *region = "";
+static char *hd_id;
 
 static char *board_id;
 /*
@@ -60,6 +61,7 @@ void usage(int status)
 "  -o <file>       write output to the file <file>\n"
 "  -v <version>    set image version to <version>\n"
 "  -r <region>     set image region to <region>\n"
+"  -H <hd_id>      set image hardware id to <hd_id>\n"
 "  -h              show this screen\n"
        );
 
@@ -73,7 +75,7 @@ int main(int argc, char *argv[])
        int err;
        struct stat st;
        char *buf;
-       int i;
+       int pos, rem, i;
        uint8_t csum;
 
        FILE *outfile, *infile;
@@ -83,7 +85,7 @@ int main(int argc, char *argv[])
        while ( 1 ) {
                int c;
 
-               c = getopt(argc, argv, "B:i:o:v:r:h");
+               c = getopt(argc, argv, "B:i:o:v:r:H:h");
                if (c == -1)
                        break;
 
@@ -103,6 +105,9 @@ int main(int argc, char *argv[])
                case 'r':
                        region = optarg;
                        break;
+               case 'H':
+                       hd_id = optarg;
+                       break;
                case 'h':
                        usage(EXIT_SUCCESS);
                        break;
@@ -141,8 +146,12 @@ int main(int argc, char *argv[])
        }
 
        memset(buf, 0, DNI_HDR_LEN);
-       snprintf(buf, DNI_HDR_LEN, "device:%s\nversion:V%s\nregion:%s\n",
-                board_id, version, region);
+       pos = snprintf(buf, DNI_HDR_LEN, "device:%s\nversion:V%s\nregion:%s\n",
+                      board_id, version, region);
+       rem = DNI_HDR_LEN - pos;
+       if (pos >= 0 && rem > 1 && hd_id) {
+               snprintf(buf + pos, rem, "hd_id:%s\n", hd_id);
+       }
 
        infile = fopen(ifname, "r");
        if (infile == NULL) {