* ar.c (open_inarch): Check fwrite return. Use size_t.

	(extract_file): Likewise.  Remove test for "negative" file size.
	* readelf.c (process_program_headers): Check fscanf return.

1 files changed, 11 insertions, 13 deletions

diff --git a/binutils/ar.c b/binutils/ar.c
index e48249e324..115224221e 100644
--- a/binutils/ar.c
+++ b/binutils/ar.c
@@ -777,10 +777,10 @@ open_inarch (const char *archive_filename, const char *file)
 static void
 print_contents (bfd *abfd)
 {
-  int ncopied = 0;
+  size_t ncopied = 0;
   char *cbuf = xmalloc (BUFSIZE);
   struct stat buf;
-  long size;
+  size_t size;
   if (bfd_stat_arch_elt (abfd, &buf) != 0)
     /* xgettext:c-format */
     fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
@@ -795,8 +795,8 @@ print_contents (bfd *abfd)
   while (ncopied < size)
     {
 
-      int nread;
-      int tocopy = size - ncopied;
+      size_t nread;
+      size_t tocopy = size - ncopied;
       if (tocopy > BUFSIZE)
 	tocopy = BUFSIZE;
 
@@ -805,7 +805,8 @@ print_contents (bfd *abfd)
 	/* xgettext:c-format */
 	fatal (_("%s is not a valid archive"),
 	       bfd_get_filename (bfd_my_archive (abfd)));
-      fwrite (cbuf, 1, nread, stdout);
+      if (fwrite (cbuf, 1, nread, stdout) != nread)
+	fatal ("stdout: %s", strerror (errno));
       ncopied += tocopy;
     }
   free (cbuf);
@@ -826,9 +827,9 @@ extract_file (bfd *abfd)
 {
   FILE *ostream;
   char *cbuf = xmalloc (BUFSIZE);
-  int nread, tocopy;
-  long ncopied = 0;
-  long size;
+  size_t nread, tocopy;
+  size_t ncopied = 0;
+  size_t size;
   struct stat buf;
 
   if (bfd_stat_arch_elt (abfd, &buf) != 0)
@@ -836,10 +837,6 @@ extract_file (bfd *abfd)
     fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
   size = buf.st_size;
 
-  if (size < 0)
-    /* xgettext:c-format */
-    fatal (_("stat returns negative size for %s"), bfd_get_filename (abfd));
-
   if (verbose)
     printf ("x - %s\n", bfd_get_filename (abfd));
 
@@ -888,7 +885,8 @@ extract_file (bfd *abfd)
 
 	    output_file = ostream;
 	  }
-	fwrite (cbuf, 1, nread, ostream);
+	if (fwrite (cbuf, 1, nread, ostream) != nread)
+	  fatal ("%s: %s", output_filename, strerror (errno));
 	ncopied += tocopy;
       }