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-rw-r--r--util/cbfstool/common.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/util/cbfstool/common.c b/util/cbfstool/common.c
index 3093ba1465..5a47c2f45b 100644
--- a/util/cbfstool/common.c
+++ b/util/cbfstool/common.c
@@ -71,12 +71,13 @@ int buffer_from_file(struct buffer *buffer, const char *filename)
return -1;
}
buffer->offset = 0;
- buffer->size = get_file_size(fp);
- if (buffer->size == -1u) {
+ off_t file_size = get_file_size(fp);
+ if (file_size < 0) {
fprintf(stderr, "could not determine size of %s\n", filename);
fclose(fp);
return -1;
}
+ buffer->size = file_size;
buffer->name = strdup(filename);
buffer->data = (char *)malloc(buffer->size);
assert(buffer->data);