libio: Add hidden prototype for ungetc

And make ungetc the primary symbol, with _IO_ungetc as an alias.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

diff --git a/include/stdio.h b/include/stdio.h
index 2e0dc80c16f677875486e3ef34667b3d4678e61f..311adcf95390bc6083fea25a5ef739375150a091 100644 (file)
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -212,6 +212,7 @@ libc_hidden_ldbl_proto (dprintf)
 libc_hidden_ldbl_proto (fprintf)
 libc_hidden_ldbl_proto (vfprintf)
 libc_hidden_ldbl_proto (sprintf)
+libc_hidden_proto (ungetc)
 libc_hidden_proto (fwrite)
 libc_hidden_proto (perror)
 libc_hidden_proto (remove)

diff --git a/libio/ioungetc.c b/libio/ioungetc.c
index dcf1c4ca9e09cddfc8b58cbc69e145946ff6141c..e68a4aaca875ca12c8720baff8085f068abc131b 100644 (file)
--- a/libio/ioungetc.c
+++ b/libio/ioungetc.c
@@ -27,7 +27,7 @@
 #include "libioP.h"
 
 int
-_IO_ungetc (int c, FILE *fp)
+ungetc (int c, FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
@@ -40,5 +40,5 @@ _IO_ungetc (int c, FILE *fp)
   _IO_release_lock (fp);
   return result;
 }
-
-weak_alias (_IO_ungetc, ungetc)
+libc_hidden_def (ungetc)
+strong_alias (ungetc, _IO_ungetc)