Make image_copyout_zeroes() an interface function.

2 files changed, 7 insertions, 6 deletions

diff --git a/usr.bin/mkimg/image.c b/usr.bin/mkimg/image.c
index be1c2e9..a3bec63 100644
--- a/usr.bin/mkimg/image.c
+++ b/usr.bin/mkimg/image.c
@@ -517,14 +517,14 @@ image_copyout_memory(int fd, size_t size, void *ptr)
 	return (0);
 }
 
-static int
-image_copyout_zeroes(int fd, size_t size)
+int
+image_copyout_zeroes(int fd, size_t count)
 {
 	static uint8_t *zeroes = NULL;
 	size_t sz;
 	int error;
 
-	if (lseek(fd, (off_t)size, SEEK_CUR) != -1)
+	if (lseek(fd, (off_t)count, SEEK_CUR) != -1)
 		return (0);
 
 	/*
@@ -537,12 +537,12 @@ image_copyout_zeroes(int fd, size_t size)
 			return (ENOMEM);
 	}
 
-	while (size > 0) {
-		sz = (size > secsz) ? secsz : size;
+	while (count > 0) {
+		sz = (count > secsz) ? secsz : count;
 		error = image_copyout_memory(fd, sz, zeroes);
 		if (error)
 			return (error);
-		size -= sz;
+		count -= sz;
 	}
 	return (0);
 }
diff --git a/usr.bin/mkimg/image.h b/usr.bin/mkimg/image.h
index ce195d9..0405c5b 100644
--- a/usr.bin/mkimg/image.h
+++ b/usr.bin/mkimg/image.h
@@ -35,6 +35,7 @@ int image_copyin(lba_t blk, int fd, uint64_t *sizep);
 int image_copyout(int fd);
 int image_copyout_done(int fd);
 int image_copyout_region(int fd, lba_t blk, lba_t size);
+int image_copyout_zeroes(int fd, size_t count);
 int image_data(lba_t blk, lba_t size);
 lba_t image_get_size(void);
 int image_init(void);