diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | libio/fmemopen.c | 8 | ||||
| -rw-r--r-- | libio/iofopncook.c | 21 | ||||
| -rw-r--r-- | stdio-common/Makefile | 4 |
4 files changed, 32 insertions, 10 deletions
@@ -1,5 +1,14 @@ 2005-01-05 Ulrich Drepper <drepper@redhat.com> + * libio/iofopncook.c (_IO_cookie_seekoff): Define. Mark offset as + invalid to disable optimizations in fileops which won't work here. + (_IO_cookie_jumps): Use it. + (_IO_old_cookie_jumps): Likewise. + * libio/fmemopen.c (fmemopen_seek): Result must be returned in *P, + not the return value. + * stdio-common/Makefile (tests): Add tst-fmemopen2. + * stdio-common/tst-fmemopen2.c: New file. + * sysdeps/unix/sysv/linux/bits/waitflags.h: Define __WNOTHREAD. 2005-01-05 Roland McGrath <roland@redhat.com> diff --git a/libio/fmemopen.c b/libio/fmemopen.c index ab6ffdd..265b848 100644 --- a/libio/fmemopen.c +++ b/libio/fmemopen.c @@ -1,5 +1,5 @@ /* Fmemopen implementation. - Copyright (C) 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 2000, 2002, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Hanno Mueller, kontakt@hanno.de, 2000. @@ -27,8 +27,6 @@ * but couldn't find it in libio. The following snippet of code is an * attempt to implement what glibc's documentation describes. * - * No, it isn't really tested yet. :-) - * * * * I already see some potential problems: @@ -176,9 +174,9 @@ fmemopen_seek (void *cookie, _IO_off64_t *p, int w) if (np < 0 || (size_t) np > c->size) return -1; - c->pos = np; + *p = c->pos = np; - return np; + return 0; } diff --git a/libio/iofopncook.c b/libio/iofopncook.c index 321eb67..eba3d43 100644 --- a/libio/iofopncook.c +++ b/libio/iofopncook.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993,95,97,99,2000,2002,2004 Free Software Foundation, Inc. +/* Copyright (C) 1993,95,97,99,2000,2002,2004, 2005 + 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 @@ -94,6 +95,20 @@ _IO_cookie_close (fp) } +static _IO_off64_t +_IO_cookie_seekoff (fp, offset, dir, mode) + _IO_FILE *fp; + _IO_off64_t offset; + int dir; + int mode; +{ + /* We must force the fileops code to always use seek to determine + the position. */ + fp->_offset = _IO_pos_BAD; + return INTUSE(_IO_file_seekoff) (fp, offset, dir, mode); +} + + static const struct _IO_jump_t _IO_cookie_jumps = { JUMP_INIT_DUMMY, JUMP_INIT(finish, INTUSE(_IO_file_finish)), @@ -103,7 +118,7 @@ static const struct _IO_jump_t _IO_cookie_jumps = { JUMP_INIT(pbackfail, INTUSE(_IO_default_pbackfail)), JUMP_INIT(xsputn, INTUSE(_IO_file_xsputn)), JUMP_INIT(xsgetn, INTUSE(_IO_default_xsgetn)), - JUMP_INIT(seekoff, INTUSE(_IO_file_seekoff)), + JUMP_INIT(seekoff, _IO_cookie_seekoff), JUMP_INIT(seekpos, _IO_default_seekpos), JUMP_INIT(setbuf, INTUSE(_IO_file_setbuf)), JUMP_INIT(sync, INTUSE(_IO_file_sync)), @@ -223,7 +238,7 @@ static const struct _IO_jump_t _IO_old_cookie_jumps = { JUMP_INIT(pbackfail, INTUSE(_IO_default_pbackfail)), JUMP_INIT(xsputn, INTUSE(_IO_file_xsputn)), JUMP_INIT(xsgetn, INTUSE(_IO_default_xsgetn)), - JUMP_INIT(seekoff, INTUSE(_IO_file_seekoff)), + JUMP_INIT(seekoff, _IO_cookie_seekoff), JUMP_INIT(seekpos, _IO_default_seekpos), JUMP_INIT(setbuf, INTUSE(_IO_file_setbuf)), JUMP_INIT(sync, INTUSE(_IO_file_sync)), diff --git a/stdio-common/Makefile b/stdio-common/Makefile index 3a66f1d..2e797e4 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 1991-2002, 2003, 2004 Free Software Foundation, Inc. +# Copyright (C) 1991-2002, 2003, 2004, 2005 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 @@ -53,7 +53,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \ scanf11 scanf12 tst-tmpnam tst-cookie tst-obprintf tst-sscanf \ tst-swprintf tst-fseek tst-fmemopen test-vfprintf tst-gets \ tst-perror tst-sprintf tst-rndseek tst-fdopen tst-fphex bug14 bug15 \ - tst-popen tst-unlockedio + tst-popen tst-unlockedio tst-fmemopen2 test-srcs = tst-unbputc tst-printf |