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https://bugs.gentoo.org/905913
https://gitlab.freedesktop.org/xorg/lib/libpciaccess/-/commit/833c86ce15cee2a84a37ae71015f236fd32615d9
From 833c86ce15cee2a84a37ae71015f236fd32615d9 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 11 Nov 2022 11:15:58 -0800
Subject: [PATCH] linux_sysfs: Use pwrite/pread instead of 64bit versions
pread64/pwrite64 are aliased to pread/pwrite when largefile support is
enabled e.g. using _FILE_OFFSET_BITS=64 macro
This helps it compile on latest musl C library based systems where these
functions are put under _LARGEFILE64_SOURCE which is to be removed once
all packages start using 64bit off_t, it works with glibc becuase
_GNU_SOURCE feature macro also defines _LARGEFILE64_SOURCE, thats not
the case with musl
Signed-off-by: Khem Raj <raj.khem@gmail.com>
--- a/src/linux_sysfs.c
+++ b/src/linux_sysfs.c
@@ -462,7 +462,7 @@ pci_device_linux_sysfs_read( struct pci_device * dev, void * data,
while ( temp_size > 0 ) {
- const ssize_t bytes = pread64( fd, data_bytes, temp_size, offset );
+ const ssize_t bytes = pread( fd, data_bytes, temp_size, offset );
/* If zero bytes were read, then we assume it's the end of the
* config file.
@@ -522,7 +522,7 @@ pci_device_linux_sysfs_write( struct pci_device * dev, const void * data,
while ( temp_size > 0 ) {
- const ssize_t bytes = pwrite64( fd, data_bytes, temp_size, offset );
+ const ssize_t bytes = pwrite( fd, data_bytes, temp_size, offset );
/* If zero bytes were written, then we assume it's the end of the
* config file.
--
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