Fix minor integer overflow in xsparse.c

* scripts/xsparse.c (read_xheader):
Don’t assume size_t fits in unsigned.
Make the version numbers off_t, not just unsigned.

diff --git a/scripts/xsparse.c b/scripts/xsparse.c
index a6c36602c2ec1e2e28fbd4dcc4dbb430df255124..625b04d9dc680017000d7807fb266172d4d35201 100644 (file)
--- a/scripts/xsparse.c
+++ b/scripts/xsparse.c
@@ -160,8 +160,8 @@ get_var (FILE *fp, char **name, char **value)
 
 static char *outname;
 static off_t outsize;
-static unsigned int version_major;
-static unsigned int version_minor;
+static off_t version_major;
+static off_t version_minor;
 
 static void
 read_xheader (char *name)
@@ -190,11 +190,11 @@ read_xheader (char *name)
        }
       else if (strcmp (kw, "major") == 0)
        {
-         version_major = string_to_size (val, NULL, SIZE_MAX);
+         version_major = string_to_off (val, NULL);
        }
       else if (strcmp (kw, "minor") == 0)
        {
-         version_minor = string_to_size (val, NULL, SIZE_MAX);
+         version_minor = string_to_off (val, NULL);
        }
       else if (strcmp (kw, "realsize") == 0
               || strcmp (kw, "size") == 0)