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It shows that the internal functions differ...
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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NL_MAX_ARG does not exist.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Use one common prototype for consistency.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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This should come properly from features.h or the build.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Move __stdio_mutex_init,_stdio_openlist_{use,del}_count to _stdio.h.
Make _stdio_validate_FILE hidden.
Make _stdio_openlist_{add,del}_lock hidden for non-NPTL.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Guard some UCLIBC specific parts.
Add comment about bits/getopt.h.
open_memstream.c: remove __restrict according to SuSv4.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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use fputwc instead of fputc
add hidden fputwc to avoid jump relocation
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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The latest POSIX spec introduces a "m" character to allocate buffers for
the user when using scanf type functions. This is like the old glibc "a"
flag, but now standardized. With packages starting to use these, we need
to implement it.
for example:
char *s;
sscanf("foo", "%ms", &s);
printf("%s\n", s);
free(s);
This will automatically allocate storage for "s", read in "foo" to it,
and then display it.
I'm not terribly familiar with the stdio layer, so this could be wrong.
But it seems to work for me.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Only really old systems (<=linux-2.0) lack a dedicated vfork system call.
The code that is in place to support them is causing issues with newer
arches that also don't provide a vfork system call -- instead, they do
vfork by calling clone in userspace.
If anyone cares about these really old systems, they can submit a patch
to make the system work with them while not breaking newer systems.
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Some test results:
The longer patch posted at Sun 14:46:24 +0100 made my target system
unbootable. I did not attempt to troubleshoot it, as we are focusing
our efforts on the shorter patch now.
The shorter patch posted at Mon 01:50:27 +0100 is a good start, but it
didn't completely fix the problem for me. I am posting an updated
version with a few changes at the end of this message; the patched
uClibc 0.9.32.1 tree passes both of my test cases.
My changes:
1) Need to break out of the loop on "hard" errors. Otherwise the
library call never returns:
open("/dev/null", O_RDONLY) = 4
dup2(4, 1) = 1
write(1, "hello world\n", 12) = -1 EBADF (Bad file descriptor)
write(1, "hello world\n", 12) = -1 EBADF (Bad file descriptor)
write(1, "hello world\n", 12) = -1 EBADF (Bad file descriptor)
write(1, "hello world\n", 12) = -1 EBADF (Bad file descriptor)
...
2) Move all of the error handling logic back into the "else" clause. In
particular, I believe we do not want to be checking errno unless
__WRITE() had indicated a failure, since the value may be undefined:
if (errno == EINTR
|| errno == EAGAIN
/* do we have other "soft" errors? */
) {
3) Whitespace/indentation consistency.
-- 8< --
From: Denys Vlasenko <vda.linux@googlemail.com>
Currently, uclibc retains buffered data on stdio write errors,
and subsequent fclose and fflush will try to write it out again
(in most cases, in vain).
Which results in something like this:
On Wednesday 26 January 2011 13:21, Baruch Siach wrote:
> Hi busybox list,
>
> I'm running the following command under strace (thanks Rob):
>
> echo 56 > /sys/class/gpio/export
>
> and I see the following output:
>
> write(1, "56\n", 3) = -1 EBUSY (Device or resource busy)
> write(1, "5", 1) = 1
>
> The first EBUSY is OK, since GPIO 56 is already requested. But the second
> write() attempt seems strange, and leads to an unwanted outcome. GPIO 5 gets
> exported.
This patch prevents that.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Pulled assignments out of ifs.
do {...} while (1); is a weird method of writing "loop forever",
thus rewrote it.
No code changes: objdump output is the same.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Support this useful glibc extension for optionally setting O_CLOEXEC
on fopen streams.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Unlike vsnprintf, vswprintf does not properly initialize locking
elements of FILE structure, which in some unfortunate cases can result
in lockups in _vfwprintf_internal.
Interesting, the initialization code was removed in
2a915734a32c5aec9a6a76c13bcb074d30e64171 at the same time as it was added
to vsnprintf.
Signed-off-by: Maksim Rayskiy <mrayskiy@broadcom.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
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we already remove the printf.h header if this option is disabled
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
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When a string format is processed and the argument is NULL, this yields
"(null)" regardless of precision. This does not make sense, precision
should not be exceeded. A simple test shows that glibc outputs nothing
if precision is smaller than six and the attached patch implements this
same behaviour.
Consider the not uncommon case of strings implemented like this:
struct string { int len; char *ptr; };
There is often no nultermination and they may be printed like this:
printf("%.*s", string.len, string.ptr);
If len is 0 then ptr may be anything, but NULL is a common value.
Obviously the empty string would be expected, not "(null)".
Signed-off-by: Jones Desougi <jones.desougi@27m.se>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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harmless copy'n paste error in #error
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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closes bug #3037
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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No code changes according to objdump.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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objdump confirms that I did not mess it up.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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Example:
--ppfs->maxposarg;
Verified with objdump that no code is changed
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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God knows this file is hard to read as-is, some readability improvement
is in order.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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Conflicts:
Makefile.in
extra/Configs/Config.in
libc/sysdeps/linux/common/bits/kernel-features.h
libc/sysdeps/linux/common/poll.c
libc/sysdeps/linux/common/sysdep.h
libc/sysdeps/linux/sh/sysdep.h
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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uClibc mishandles printf field width limits larger than 40959, as a
result of misguided overflow-protection code. This causes spurious test
failures with GNU coreutils, which depends on "%65536s" and "%20000000f"
working according to spec.
Signed-off-by: Michael Deutschmann <michael@talamasca.ocis.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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sem_open(3) needs to create a temporary file in a way which can't
be efficiently implemented in terms of POSIX API. Extend
__gen_tempname with mode_t mode argument in order to ease
sem_open implementation.
Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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sed -i -e '/Experimentally off - /d' $(grep -rl "Experimentally off - " *)
sed -i -e '/^\/\*[[:space:]]*libc_hidden_proto(/d' $(grep -rl "libc_hidden_proto" *)
should be a nop
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Handle O=
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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is always equivalent to __UCLIBC_CURLOCALE->x.
remove typedef __uclibc_locale_t, it used only in a few places,
it is lees confusing to use struct __uclibc_locale_struct
everywhere.
xlocale.h: hide __global_locale back under _LIBC,
bug 53 is wrong in claiming it should be exported.
Also hide under _LIBC:
extern __locale_t __curlocale_var;
extern __locale_t __curlocale(void);
extern __locale_t __curlocale_set(__locale_t newloc);
# define __UCLIBC_CURLOCALE
# define __XL_NPP(N)
# define __LOCALE_PARAM
# define __LOCALE_ARG
# define __LOCALE_PTR
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libc/stdio/_vfprintf.c:1892: warning: passing argument 1
of '_[w]stdio_fwrite' from incompatible pointer type
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and such; remove two unneeded static string (inline "str" works better
code-size wise).
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make two data objects static.
text data bss dec hex filename
- 274779 1835 19012 295626 482ca lib/libuClibc-0.9.30-svn.so
+ 274693 1835 19012 295540 48274 lib/libuClibc-0.9.30-svn.so
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Appears to build fine (several .configs tried)
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