diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2012-05-30 01:15:03 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2012-05-30 01:16:45 -0400 |
| commit | 52fa45da0f86651b70608a58914f3aece7fdfed5 (patch) | |
| tree | 472e5658d3197f4d5a3cd3f5691eff433cec13ef /libc | |
| parent | b7792601c9a8ed7c78551861c2f3305edda5dd66 (diff) | |
pread/pwrite: handle renamed syscalls in common/ppc/xtensa code
Some arches got this fix, but many did not. So copy the ifdef logic to
the ones that missed it to fix behavior in linux-2.6+.
URL: https://bugs.busybox.net/show_bug.cgi?id=5258
Reported-by: David Laight <david.laight@aculab.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/common/pread_write.c | 10 | ||||
| -rw-r--r-- | libc/sysdeps/linux/powerpc/pread_write.c | 13 | ||||
| -rw-r--r-- | libc/sysdeps/linux/xtensa/pread_write.c | 14 |
3 files changed, 37 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/pread_write.c b/libc/sysdeps/linux/common/pread_write.c index 88e6957ab..089ee934d 100644 --- a/libc/sysdeps/linux/common/pread_write.c +++ b/libc/sysdeps/linux/common/pread_write.c @@ -25,6 +25,11 @@ extern __typeof(pread64) __libc_pread64; extern __typeof(pwrite64) __libc_pwrite64; #endif +#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ +# undef __NR_pread +# define __NR_pread __NR_pread64 +#endif + #include <bits/kernel_types.h> #ifdef __NR_pread @@ -51,6 +56,11 @@ weak_alias(__libc_pread64,pread64) #endif /* __NR_pread */ +#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ +# undef __NR_pwrite +# define __NR_pwrite __NR_pwrite64 +#endif + #ifdef __NR_pwrite # define __NR___syscall_pwrite __NR_pwrite diff --git a/libc/sysdeps/linux/powerpc/pread_write.c b/libc/sysdeps/linux/powerpc/pread_write.c index 7f988d301..23f256f6d 100644 --- a/libc/sysdeps/linux/powerpc/pread_write.c +++ b/libc/sysdeps/linux/powerpc/pread_write.c @@ -20,6 +20,13 @@ # define off64_t off_t #endif +#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ +# ifdef __NR_pread +# error "__NR_pread and __NR_pread64 both defined???" +# endif +# define __NR_pread __NR_pread64 +#endif + #ifdef __NR_pread extern __typeof(pread) __libc_pread; # define __NR___syscall_pread __NR_pread @@ -42,6 +49,12 @@ weak_alias(__libc_pread64,pread64) # endif /* __UCLIBC_HAS_LFS__ */ #endif /* __NR_pread */ +#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ +# ifdef __NR_pwrite +# error "__NR_pwrite and __NR_pwrite64 both defined???" +# endif +# define __NR_pwrite __NR_pwrite64 +#endif #ifdef __NR_pwrite extern __typeof(pwrite) __libc_pwrite; diff --git a/libc/sysdeps/linux/xtensa/pread_write.c b/libc/sysdeps/linux/xtensa/pread_write.c index 71ba22bb9..bcf7dee9c 100644 --- a/libc/sysdeps/linux/xtensa/pread_write.c +++ b/libc/sysdeps/linux/xtensa/pread_write.c @@ -27,6 +27,13 @@ extern __typeof(pwrite64) __libc_pwrite64; #include <bits/kernel_types.h> +#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ +# ifdef __NR_pread +# error "__NR_pread and __NR_pread64 both defined???" +# endif +# define __NR_pread __NR_pread64 +#endif + #ifdef __NR_pread # define __NR___syscall_pread __NR_pread @@ -52,6 +59,13 @@ weak_alias(__libc_pread64,pread64) #endif /* __NR_pread */ +#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ +# ifdef __NR_pwrite +# error "__NR_pwrite and __NR_pwrite64 both defined???" +# endif +# define __NR_pwrite __NR_pwrite64 +#endif + #ifdef __NR_pwrite # define __NR___syscall_pwrite __NR_pwrite |