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With binutils 2.26 for m68k and 2.25.1 for coldfire,
these -fPIC workarounds no longer required.
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Save 20 bytes per FILE structure, avoid indirect call for
read/write/seek/close operations for normal streams.
Additionally, custom streams has fileno = -2 now, like in glibc.
bloat-o-meter report (UCLIBC_HAS_GLIBC_CUSTOM_STREAMS=y):
function old new delta
fopencookie 69 131 +62
ftello64 233 260 +27
fseeko64 298 319 +21
fclose 423 442 +19
.rodata 16696 16708 +12
fileno_unlocked 53 45 -8
__ns_name_pack 859 851 -8
vswscanf 184 144 -40
vdprintf 231 187 -44
vsscanf 210 151 -59
vswprintf 269 201 -68
vsnprintf 249 181 -68
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(add/remove: 0/0 grow/shrink: 5/7 up/down: 141/-295) Total: -154 bytes
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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The current code implements the 'm' modifier only for 's'
conversions and would cause a segfault if it was used for 'c'
or '[' conversions. This patch extends the code to cover these
cases too.
The original version could write scanned data outside the passed buffer
because index i used in the '[' conversion handling block was clobbered.
Signed-off-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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There was a runtime error in systems without large file support. Call
fseek(fd, 4096, SEEK_SET) has been failing with EINVAL, though it was
succeeding for offset = 4092. This has been happening because llseek system
call accepts 64-bit value as an offset argument and lseek function has been
ordering 32-bits words that form this offset value, according to the
endianness. However this ordering to match endianness is not required,
because llseek doesn't accept one 64-bit offset argument, it accepts two
32-bit offset argument, then stitches them into one following its
endianness. As a result on little endian system, order of words has been
swapped two time: in libc and in kernel. Thus call to fseek with offset 4096
(0x1000) was doing a system call to llseek with offset 0x1000_0000_0000. I'm
not entirely sure why then offset = 4092 hasn't been failing then.
This patch removes malicious swap of words when calling llseek.
Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Test build system modified to be similar to uClibc one:
* test custom logic moved from Makefile to a new Makefile.in (to be included
by Makefile).
* Makefile same for all tests and just used for including all other needed
makefiles.
Signed-off-by: Salvatore Cro <salvatore.cro@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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