From 4b795b147b4b0eee01f24664f630411dde8ed872 Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Sun, 12 Jun 2022 09:29:02 -0600 Subject: bsd-user: Implement trunctate and ftruncate Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/bsd-file.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'bsd-user/bsd-file.h') diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h index 021541ad2e..fda3689460 100644 --- a/bsd-user/bsd-file.h +++ b/bsd-user/bsd-file.h @@ -497,4 +497,33 @@ static abi_long do_bsd_dup2(abi_long arg1, abi_long arg2) return get_errno(dup2(arg1, arg2)); } +/* truncate(2) */ +static abi_long do_bsd_truncate(void *cpu_env, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p; + + LOCK_PATH(p, arg1); + if (regpairs_aligned(cpu_env) != 0) { + arg2 = arg3; + arg3 = arg4; + } + ret = get_errno(truncate(p, target_arg64(arg2, arg3))); + UNLOCK_PATH(p, arg1); + + return ret; +} + +/* ftruncate(2) */ +static abi_long do_bsd_ftruncate(void *cpu_env, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4) +{ + if (regpairs_aligned(cpu_env) != 0) { + arg2 = arg3; + arg3 = arg4; + } + return get_errno(ftruncate(arg1, target_arg64(arg2, arg3))); +} + #endif /* BSD_FILE_H */ -- cgit v1.2.3-55-g7522