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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-08-20 07:42:33 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-08-20 07:42:33 +0000
commitd7cb403f824ceb5681262d9d90b1c555d1a6208e (patch)
treeedbefbb0075c59b7a420445b4768904282462a41 /libc/sysdeps/linux/powerpc
parentea67a0ceabbe2a337bcf5e7593849a13224e2ff0 (diff)
- Fix powerpc pread/pwrite (Wade Berrier)
pread/write wanted to send an 8 byte value in the syscall where only 4 bytes were allowed.
Diffstat (limited to 'libc/sysdeps/linux/powerpc')
-rw-r--r--libc/sysdeps/linux/powerpc/pread_write.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/libc/sysdeps/linux/powerpc/pread_write.c b/libc/sysdeps/linux/powerpc/pread_write.c
index cdbadfdf3..aef040c90 100644
--- a/libc/sysdeps/linux/powerpc/pread_write.c
+++ b/libc/sysdeps/linux/powerpc/pread_write.c
@@ -14,6 +14,7 @@
#include <sys/syscall.h>
#include <unistd.h>
+#include <endian.h>
#ifndef __UCLIBC_HAS_LFS__
# define off64_t off_t
@@ -22,12 +23,12 @@
#ifdef __NR_pread
extern __typeof(pread) __libc_pread;
# define __NR___syscall_pread __NR_pread
-static __inline__ _syscall4(ssize_t, __syscall_pread, int, fd,
- void *, buf, size_t, count, off64_t, offset);
+static __inline__ _syscall6(ssize_t, __syscall_pread, int, fd,
+ void *, buf, size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo);
ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset)
{
- return(__syscall_pread(fd, buf, count, (off64_t)offset));
+ return(__syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 31, offset)));
}
weak_alias(__libc_pread,pread)
@@ -35,7 +36,7 @@ weak_alias(__libc_pread,pread)
extern __typeof(pread64) __libc_pread64;
ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset)
{
- return(__syscall_pread(fd, buf, count, offset));
+ return(__syscall_pread(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 32, offset)));
}
weak_alias(__libc_pread64,pread64)
# endif /* __UCLIBC_HAS_LFS__ */
@@ -45,12 +46,12 @@ weak_alias(__libc_pread64,pread64)
#ifdef __NR_pwrite
extern __typeof(pwrite) __libc_pwrite;
# define __NR___syscall_pwrite __NR_pwrite
-static __inline__ _syscall4(ssize_t, __syscall_pwrite, int, fd,
- const void *, buf, size_t, count, off64_t, offset);
+static __inline__ _syscall6(ssize_t, __syscall_pwrite, int, fd,
+ const void *, buf, size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo);
ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset)
{
- return(__syscall_pwrite(fd, buf, count, (off64_t)offset));
+ return(__syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 31, offset)));
}
weak_alias(__libc_pwrite,pwrite)
@@ -58,7 +59,7 @@ weak_alias(__libc_pwrite,pwrite)
extern __typeof(pwrite64) __libc_pwrite64;
ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset)
{
- return(__syscall_pwrite(fd, buf, count, offset));
+ return(__syscall_pwrite(fd, buf, count, 0, __LONG_LONG_PAIR(offset >> 32, offset)));
}
weak_alias(__libc_pwrite64,pwrite64)
# endif /* __UCLIBC_HAS_LFS__ */
@@ -87,7 +88,7 @@ static ssize_t __fake_pread_write(int fd, void *buf,
if (lseek (fd, offset, SEEK_SET) == (off_t) -1)
return -1;
- if (do_pwrite==1) {
+ if (do_pwrite == 1) {
/* Write the data. */
result = write(fd, buf, count);
} else {
@@ -127,7 +128,7 @@ static ssize_t __fake_pread_write64(int fd, void *buf,
if (lseek64(fd, offset, SEEK_SET) == (off64_t) -1)
return -1;
- if (do_pwrite==1) {
+ if (do_pwrite == 1) {
/* Write the data. */
result = write(fd, buf, count);
} else {