This will be used in mkimage when working out the required size of the FIT based on the files to be placed into it.
Signed-off-by: Simon Glass sjg@chromium.org ---
doc/mkimage.1 | 4 ++-- tools/imagetool.c | 22 ++++++++++++++++++++++ tools/imagetool.h | 12 ++++++++++++ 3 files changed, 36 insertions(+), 2 deletions(-)
diff --git a/doc/mkimage.1 b/doc/mkimage.1 index b48f70b..1b9d18c 100644 --- a/doc/mkimage.1 +++ b/doc/mkimage.1 @@ -164,7 +164,7 @@ skipping those for which keys cannot be found. Also add a comment. .nf .B mkimage -f kernel.its -k /public/signing-keys -K u-boot.dtb \\ .br -.B -c "Kernel 3.8 image for production devices" kernel.itb +.B -c """Kernel 3.8 image for production devices""" kernel.itb .fi
.P @@ -175,7 +175,7 @@ with unavailable keys are skipped. .nf .B mkimage -F -k /secret/signing-keys -K u-boot.dtb \\ .br -.B -c "Kernel 3.8 image for production devices" kernel.itb +.B -c """Kernel 3.8 image for production devices""" kernel.itb .fi
.SH HOMEPAGE diff --git a/tools/imagetool.c b/tools/imagetool.c index 4b0b73d..351211c 100644 --- a/tools/imagetool.c +++ b/tools/imagetool.c @@ -91,3 +91,25 @@ int imagetool_save_subimage(
return 0; } + +int imagetool_get_filesize(struct image_tool_params *params, const char *fname) +{ + struct stat sbuf; + int fd; + + fd = open(fname, O_RDONLY | O_BINARY); + if (fd < 0) { + fprintf(stderr, "%s: Can't open %s: %s\n", + params->cmdname, fname, strerror(errno)); + return -1; + } + + if (fstat(fd, &sbuf) < 0) { + fprintf(stderr, "%s: Can't stat %s: %s\n", + params->cmdname, fname, strerror(errno)); + return -1; + } + close(fd); + + return sbuf.st_size; +} diff --git a/tools/imagetool.h b/tools/imagetool.h index e0397f7..3cf42ac 100644 --- a/tools/imagetool.h +++ b/tools/imagetool.h @@ -181,6 +181,18 @@ int imagetool_save_subimage( ulong file_data, ulong file_len);
+/** + * imagetool_get_filesize() - Utility function to obtain the size of a file + * + * This function prints a message if an error occurs, showing the error that + * was obtained. + * + * @params: mkimage parameters + * @fname: filename to check + * @return size of file, or -ve value on error + */ +int imagetool_get_filesize(struct image_tool_params *params, const char *fname); + /* * There is a c file associated with supported image type low level code * for ex. default_image.c, fit_image.c