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Sun, 13 Aug 2023 07:12:41 -0700 (PDT) From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, =?utf-8?q?Mika=C3=ABl_Urankar?= , Karim Taha , Richard Henderson Subject: [PATCH v2 27/32] Implement do_freebsd_realpathat syscall Date: Sun, 13 Aug 2023 05:10:08 +0200 Message-Id: <20230813031013.1743-28-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230813031013.1743-1-kariem.taha2.7@gmail.com> References: <20230813031013.1743-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wr1-x430.google.com X-Spam_score_int: -2 X-Spam_score: -0.3 X-Spam_bar: / X-Spam_report: (-0.3 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_06_12=1.543, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Mikaël Urankar Signed-off-by: Mikaël Urankar Signed-off-by: Karim Taha Reviewed-by: Richard Henderson --- bsd-user/freebsd/os-stat.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/bsd-user/freebsd/os-stat.h b/bsd-user/freebsd/os-stat.h index e31b2aab9e..cf56c778ae 100644 --- a/bsd-user/freebsd/os-stat.h +++ b/bsd-user/freebsd/os-stat.h @@ -634,4 +634,30 @@ static inline abi_long do_freebsd_fcntl(abi_long arg1, abi_long arg2, return ret; } +#if defined(__FreeBSD_version) && __FreeBSD_version >= 1300080 +extern int __realpathat(int fd, const char *path, char *buf, size_t size, + int flags); +// https://svnweb.freebsd.org/base?view=revision&revision=358172 +// no man page +static inline abi_long do_freebsd_realpathat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + abi_long ret; + void *p, *b; + + LOCK_PATH(p, arg2); + b = lock_user(VERIFY_WRITE, arg3, arg4, 0); + if (b == NULL) { + UNLOCK_PATH(p, arg2); + return -TARGET_EFAULT; + } + + ret = get_errno(__realpathat(arg1, p, b, arg4, arg5)); + UNLOCK_PATH(p, arg2); + unlock_user(b, arg3, ret); + + return ret; +} +#endif + #endif /* BSD_USER_FREEBSD_OS_STAT_H */