From 3837ce65bd57991ebd7f8235db4040596d3125a4 Mon Sep 17 00:00:00 2001 From: Simon Glass <sjg@chromium.org> Date: Mon, 22 Feb 2016 22:55:49 -0700 Subject: tools: Add a function to obtain the size of a file 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> --- tools/imagetool.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'tools/imagetool.c') diff --git a/tools/imagetool.c b/tools/imagetool.c index 4b0b73db52..351211cd53 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; +} -- cgit v1.2.3