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-rw-r--r--util/buildrom/buildrom.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/util/buildrom/buildrom.c b/util/buildrom/buildrom.c
index 27a5d447d0..0de18f5db2 100644
--- a/util/buildrom/buildrom.c
+++ b/util/buildrom/buildrom.c
@@ -17,20 +17,21 @@
* For now we assume "zero" is 0xff
*/
-void
-usage(){
+void usage()
+{
fprintf(stderr, "Usage: buildrom <input> <output> <payload> ");
fprintf(stderr, " <linuxbios-size> <total-size>\n");
exit(1);
}
-void
-fatal(char *s){
+void fatal(char *s)
+{
perror(s);
exit(2);
}
-int
-main(int argc, char *argv[]) {
+
+int main(int argc, char *argv[])
+{
int infd, payloadfd, outfd, size, insize, readlen, writelen, i;
int romsize;
unsigned char *cp;
@@ -40,24 +41,24 @@ main(int argc, char *argv[]) {
if (argc != 6)
usage();
-
infd = open(argv[1], O_RDONLY);
if (infd < 0)
fatal(argv[1]);
- outfd = open(argv[2], O_RDWR|O_CREAT, 0666);
+ outfd = open(argv[2], O_RDWR | O_CREAT, 0666);
if (outfd < 0)
fatal(argv[2]);
payloadfd = open(argv[3], O_RDONLY);
if (payloadfd < 0)
fatal(argv[3]);
+
size = strtol(argv[4], 0, 0);
romsize = strtol(argv[5], 0, 0);
if (fstat(infd, &inbuf) < 0)
fatal("stat of infile");
- if (inbuf.st_size > size) {
+ if (inbuf.st_size > size) {
fprintf(stderr, "linuxbios image is %d bytes; only %d allowed\n",
- inbuf.st_size, size);
+ inbuf.st_size, size);
fatal("Linuxbios input file larger than allowed size!\n");
}
@@ -67,11 +68,11 @@ main(int argc, char *argv[]) {
fatal("payload + linuxbios size larger than ROM size!\n");
cp = malloc(romsize);
- if (! cp)
+ if (!cp)
fatal("malloc buffer");
-
- for(i = 0; i < romsize; i++)
+ for (i = 0; i < romsize; i++)
cp[i] = zero;
+
/* read the input file in at the END of the array */
readlen = read(infd, &cp[romsize - inbuf.st_size], inbuf.st_size);
if (readlen < inbuf.st_size) {
@@ -82,8 +83,8 @@ main(int argc, char *argv[]) {
/* read the payload file in at the START of the array */
readlen = read(payloadfd, cp, payloadbuf.st_size);
if (readlen < payloadbuf.st_size) {
- fprintf(stderr, "Wanted %d, got %d\n",
- payloadbuf.st_size, readlen);
+ fprintf(stderr, "Wanted %d, got %d\n",
+ payloadbuf.st_size, readlen);
fatal("Read payload file");
}
writelen = write(outfd, cp, romsize);