Author: rpaulo
Date: Tue Jun 10 06:04:25 2014
New Revision: 267317
URL: http://svnweb.freebsd.org/changeset/base/267317
Log:
dtc: don't crash if the argument is a directory.
Modified:
head/usr.bin/dtc/fdt.cc
Modified: head/usr.bin/dtc/fdt.cc
==============================================================================
--- head/usr.bin/dtc/fdt.cc Tue Jun 10 05:58:46 2014 (r267316)
+++ head/usr.bin/dtc/fdt.cc Tue Jun 10 06:04:25 2014 (r267317)
@@ -42,6 +42,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include "dtb.hh"
namespace dtc
@@ -1078,6 +1080,13 @@ device_tree::buffer_for_file(const char
fprintf(stderr, "Unable to open file %s\n", path);
return 0;
}
+ struct stat st;
+ if (fstat(source, &st) == 0 && S_ISDIR(st.st_mode))
+ {
+ fprintf(stderr, "File %s is a directory\n", path);
+ close(source);
+ return 0;
+ }
input_buffer *b = new mmap_input_buffer(source);
// Keep the buffer that owns the memory around for the lifetime
// of this FDT. Ones simply referring to it may have shorter
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