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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2016-08-26 10:42:58 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2016-11-09 17:46:11 -0200
commit87686aeefdf419bc7d02cae25f5b45e9306ba6ff (patch)
treeb5ef6e7117e5ca0c083b210afee0a98839697094 /sysdeps/unix/sysv/linux/mips/mips64
parent5874510faaf3cbd0bb112aaacab9f225002beed1 (diff)
downloadglibc-87686aeefdf419bc7d02cae25f5b45e9306ba6ff.tar.gz
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Consolidate Linux ftruncate implementations
THis patch consolidates all Linux ftruncate implementation on
sysdeps/unix/sysv/linux/ftruncate{64}.c.  It is based on
{INTERNAL,INLINE}_SYSCALL patch [1] to simplify the syscall construction.

General idea is to build ftruncate iff __OFF_T_MATCHES_OFF64_T is not
defined, otherwise ftruncate64 will be build and ftruncate will be an
alias.  The fallocate will use old compat syscall and pass 32-bit off_t
argument, while fallocate64 will handle the correct off64_t passing using
__ALIGNMENT_ARG and SYSCALL_LL64 macros.

Tested on x86_64, i386, aarch64, and armhf.

	* posix/tst-truncate-common.c: New file.
	* posix/tst-truncate.c: Use tst-truncate-common.c.
	* posix/tst-truncate64.c: Likewise and add LFS tests.
	* sysdeps/unix/sysv/linux/arm/ftruncate64.c: Remove file.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate.c: Likewise.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/ftruncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/ftruncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/wordsize-64/ftruncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/ftruncate.c: New file.
	* sysdeps/unix/sysv/linux/ftruncate64.c (__ftruncate64): Use
	INLINE_SYSCALL_CALL, __ALIGNMENT_ARG and SYSCALL_LL64 macros.
	[__OFF_T_MATCHES_OFF64_T] (ftruncate): Add alias.
	* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (ftruncate):
	Remove.
	* sysdeps/unix/sysv/linux/wordsize-64/syscalls.list (ftruncate):
	Likewise.

[1] https://sourceware.org/ml/libc-alpha/2016-08/msg00646.html
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/mips64')
-rw-r--r--sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c1
-rw-r--r--sysdeps/unix/sysv/linux/mips/mips64/syscalls.list1
2 files changed, 0 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c b/sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c
deleted file mode 100644
index 6e25b021ab..0000000000
--- a/sysdeps/unix/sysv/linux/mips/mips64/ftruncate64.c
+++ /dev/null
@@ -1 +0,0 @@
-/* Empty.  */
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list
index d2d851e81c..1e3ae0a760 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list
@@ -1,6 +1,5 @@
 # File name	Caller	Syscall name	Args	Strong name	Weak names
 
-ftruncate	-	ftruncate	i:ii	__ftruncate	ftruncate ftruncate64 __ftruncate64
 truncate	-	truncate	i:si	truncate	truncate64
 
 # Semaphore and shm system calls.  msgctl, shmctl, and semctl have C