imagetool: make the image_save_datafile() available to all image types
Move the image_save_datafile() function from an U-Multi specific file
(default_image.c) to a file common to all image types (image.c). And rename it
to genimg_save_datafile(), to make clear it is useful for any image type.
Signed-off-by: Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
diff --git a/tools/imagetool.c b/tools/imagetool.c
index e4de7af..a25b86b 100644
--- a/tools/imagetool.c
+++ b/tools/imagetool.c
@@ -113,3 +113,30 @@
return retval;
}
+
+int imagetool_save_datafile(
+ const char *file_name,
+ ulong file_data,
+ ulong file_len)
+{
+ int dfd;
+
+ dfd = open(file_name, O_RDWR | O_CREAT | O_TRUNC | O_BINARY,
+ S_IRUSR | S_IWUSR);
+ if (dfd < 0) {
+ fprintf(stderr, "Can't open \"%s\": %s\n",
+ file_name, strerror(errno));
+ return -1;
+ }
+
+ if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) {
+ fprintf(stderr, "Write error on \"%s\": %s\n",
+ file_name, strerror(errno));
+ close(dfd);
+ return -1;
+ }
+
+ close(dfd);
+
+ return 0;
+}