lib: Silence -Wsign-conversion in getopt.c.

diff --git a/lib/getopt.c b/lib/getopt.c
index 8de509912a3cce2c94a5614002ac33f93d13b058..5941f6fdde2a1a3166353cb0e11033dd2d363bda 100644 (file)
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -213,7 +213,7 @@ process_long_option (int argc, char **argv, const char *optstring,
 
   for (nameend = d->__nextchar; *nameend && *nameend != '='; nameend++)
     /* Do nothing.  */ ;
-  namelen = nameend - d->__nextchar;
+  namelen = (size_t)(nameend - d->__nextchar);
 
   /* First look for an exact match, counting the options as a side
      effect.  */
@@ -260,7 +260,7 @@ process_long_option (int argc, char **argv, const char *optstring,
                      {
                        if (__libc_use_alloca (n_options))
                          ambig_set = alloca (n_options);
-                       else if ((ambig_set = malloc (n_options)) == NULL)
+                       else if ((ambig_set = malloc ((size_t)n_options)) == NULL)
                          /* Fall back to simpler error message.  */
                          ambig_fallback = 1;
                        else
@@ -268,7 +268,7 @@ process_long_option (int argc, char **argv, const char *optstring,
 
                        if (ambig_set)
                          {
-                           memset (ambig_set, 0, n_options);
+                           memset (ambig_set, 0, (size_t)n_options);
                            ambig_set[indfound] = 1;
                          }
                      }