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| author | Adhemerval Zanella Netto <adhemerval.zanella@linaro.org> | 2022-10-19 19:14:14 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-12-07 11:27:01 -0300 |
| commit | 2fc81f6ca56f1df5323fc849f3f8dc40f38fc5b2 (patch) | |
| tree | f8444a5d2f2cf2fae5d8dae3f4125d8f51688dfc /sysdeps | |
| parent | ccb9215dbe414207d9ee63bb85e9fa6daac4f641 (diff) | |
| download | glibc-2fc81f6ca56f1df5323fc849f3f8dc40f38fc5b2.tar.gz glibc-2fc81f6ca56f1df5323fc849f3f8dc40f38fc5b2.tar.xz glibc-2fc81f6ca56f1df5323fc849f3f8dc40f38fc5b2.zip | |
Linux: consolidate readlink implementation
Use readlink syscall if defined, otherwise readlinkat. Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/readlink.c (renamed from sysdeps/unix/sysv/linux/generic/readlink.c) | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/generic/readlink.c b/sysdeps/unix/sysv/linux/readlink.c index 9f25811a35..083dcaf502 100644 --- a/sysdeps/unix/sysv/linux/generic/readlink.c +++ b/sysdeps/unix/sysv/linux/readlink.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2011-2022 Free Software Foundation, Inc. +/* Read value of a symbolic link. Linux version. + Copyright (C) 2011-2022 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,6 +26,10 @@ ssize_t __readlink (const char *path, char *buf, size_t len) { - return INLINE_SYSCALL (readlinkat, 4, AT_FDCWD, path, buf, len); +#ifdef __NR_readlink + return INLINE_SYSCALL_CALL (readlink, path, buf, len); +#else + return INLINE_SYSCALL_CALL (readlinkat, AT_FDCWD, path, buf, len); +#endif } weak_alias (__readlink, readlink) |