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authorWarner Losh <imp@bsdimp.com>2022-06-12 09:29:02 -0600
committerWarner Losh <imp@bsdimp.com>2022-06-14 08:17:44 -0600
commit4b795b147b4b0eee01f24664f630411dde8ed872 (patch)
tree90d2f6e23976506da360615d7d25e08ad0cf11b3 /bsd-user/bsd-file.h
parenta15699acafd5cf9e4c414505a4aa36b0f2338ee8 (diff)
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bsd-user: Implement trunctate and ftruncate
Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'bsd-user/bsd-file.h')
-rw-r--r--bsd-user/bsd-file.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h
index 021541a..fda3689 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 */