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libio: Add hidden prototype for ungetc

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

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer 2021-07-07 18:33:52 +02:00
parent c4ec8cab07
commit 771473a8c4
2 changed files with 4 additions and 3 deletions
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1
include/stdio.h
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@ -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)

6
libio/ioungetc.c
View File

@ -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)