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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 16:34:38 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 16:34:38 +0000 |
| commit | 7576c27563a3e43c0a276bf222244bcaf220a6fa (patch) | |
| tree | ad96fd1f1b9b57a50005db7803f6b79e748bb820 /libio/ioungetc.c | |
| parent | ab5f5211585bf0f33bbfa2d4aaf17e4f0d1fa564 (diff) | |
| parent | 064374be911f72dfaec8a75f06da1f9fc1827712 (diff) | |
Merge branch 't/hurdsig-global-dispositions' into refs/top-bases/t/hurdsig-SA_SIGINFO
Diffstat (limited to 'libio/ioungetc.c')
| -rw-r--r-- | libio/ioungetc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libio/ioungetc.c b/libio/ioungetc.c index 093af744b4..59ebb06177 100644 --- a/libio/ioungetc.c +++ b/libio/ioungetc.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993-2016 Free Software Foundation, Inc. +/* Copyright (C) 1993-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -27,18 +27,18 @@ #include "libioP.h" int -_IO_ungetc (int c, _IO_FILE *fp) +_IO_ungetc (int c, FILE *fp) { int result; CHECK_FILE (fp, EOF); if (c == EOF) return EOF; + if (!_IO_need_lock (fp)) + return _IO_sputbackc (fp, (unsigned char) c); _IO_acquire_lock (fp); result = _IO_sputbackc (fp, (unsigned char) c); _IO_release_lock (fp); return result; } -#ifdef weak_alias weak_alias (_IO_ungetc, ungetc) -#endif |