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authorUlrich Drepper <drepper@redhat.com>1998-07-05 11:57:59 +0000
committerUlrich Drepper <drepper@redhat.com>1998-07-05 11:57:59 +0000
commit77ccaba1fa58f871e797ced648c2966842e477db (patch)
treefec432e9338d6956a0a9b6e5a03d330ff580bb06 /libio
parenteb27c43f02ec7890c19f424de458df903745db5d (diff)
Update.
1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com> * Versions: Add pthread_attr_init ti GLIBC_2.1 version in libc.
Diffstat (limited to 'libio')
-rw-r--r--libio/Makefile4
-rw-r--r--libio/Versions1
-rw-r--r--libio/iofgets_u.c56
-rw-r--r--libio/stdio.h6
4 files changed, 65 insertions, 2 deletions
diff --git a/libio/Makefile b/libio/Makefile
index 3c75183987..bc43ebb674 100644
--- a/libio/Makefile
+++ b/libio/Makefile
@@ -34,7 +34,7 @@ routines := \
clearerr feof ferror fgetc fileno fputc freopen fseek getc getchar \
memstream pclose putc putchar rewind setbuf setlinebuf vasprintf \
iovdprintf vscanf vsnprintf obprintf fcloseall fseeko ftello \
- freopen64 fseeko64 ftello64 iofread_u iofwrite_u \
+ freopen64 fseeko64 ftello64 \
\
libc_fatal
@@ -50,7 +50,7 @@ CPPFLAGS-.o += -DIO_DEBUG
ifneq (,$(filter %REENTRANT, $(defines)))
routines += clearerr_u feof_u ferror_u fputc_u getc_u getchar_u \
- iofflush_u putc_u putchar_u peekc
+ iofflush_u putc_u putchar_u peekc iofread_u iofwrite_u iofgets_u
CPPFLAGS += -D_IO_MTSAFE_IO
endif
diff --git a/libio/Versions b/libio/Versions
index 12277ae29f..e837abb5d7 100644
--- a/libio/Versions
+++ b/libio/Versions
@@ -99,5 +99,6 @@ libc {
# f*
fgetpos64; fopen64; freopen64; fseeko; fseeko64; fsetpos64; ftello;
ftello64; fopen; fclose; fdopen; fread_unlocked; fwrite_unlocked;
+ fgets_unlocked;
}
}
diff --git a/libio/iofgets_u.c b/libio/iofgets_u.c
new file mode 100644
index 0000000000..1eb98bd542
--- /dev/null
+++ b/libio/iofgets_u.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU IO Library.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this library; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ As a special exception, if you link this library with files
+ compiled with a GNU compiler to produce an executable, this does
+ not cause the resulting executable to be covered by the GNU General
+ Public License. This exception does not however invalidate any
+ other reasons why the executable file might be covered by the GNU
+ General Public License. */
+
+#include "libioP.h"
+#include <stdio.h>
+
+char *
+fgets_unlocked (buf, n, fp)
+ char *buf;
+ int n;
+ _IO_FILE *fp;
+{
+ _IO_size_t count;
+ char *result;
+ int old_error;
+ CHECK_FILE (fp, NULL);
+ if (n <= 0)
+ return NULL;
+ /* This is very tricky since a file descriptor may be in the
+ non-blocking mode. The error flag doesn't mean much in this
+ case. We return an error only when there is a new error. */
+ old_error = fp->_IO_file_flags & _IO_ERR_SEEN;
+ fp->_IO_file_flags &= ~_IO_ERR_SEEN;
+ count = _IO_getline (fp, buf, n - 1, '\n', 1);
+ if (count == 0 || (fp->_IO_file_flags & _IO_ERR_SEEN))
+ result = NULL;
+ else
+ {
+ buf[count] = '\0';
+ result = buf;
+ }
+ fp->_IO_file_flags |= old_error;
+ return result;
+}
diff --git a/libio/stdio.h b/libio/stdio.h
index e716cee61e..b220e41081 100644
--- a/libio/stdio.h
+++ b/libio/stdio.h
@@ -476,6 +476,12 @@ extern int putw __P ((int __w, FILE *__stream));
extern char *fgets __P ((char *__restrict __s, int __n,
FILE *__restrict __stream));
+#ifdef __USE_GNU
+/* This function does the same as `fgets' but does not lock the stream. */
+extern char *fgets_unlocked __P ((char *__restrict __s, int __n,
+ FILE *__restrict __stream));
+#endif
+
/* Get a newline-terminated string from stdin, removing the newline.
DO NOT USE THIS FUNCTION!! There is no limit on how much it will read. */
extern char *gets __P ((char *__s));