xref: /aosp_15_r20/external/musl/src/stat/fchmod.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <sys/stat.h>
2*c9945492SAndroid Build Coastguard Worker #include <errno.h>
3*c9945492SAndroid Build Coastguard Worker #include <fcntl.h>
4*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
5*c9945492SAndroid Build Coastguard Worker 
fchmod(int fd,mode_t mode)6*c9945492SAndroid Build Coastguard Worker int fchmod(int fd, mode_t mode)
7*c9945492SAndroid Build Coastguard Worker {
8*c9945492SAndroid Build Coastguard Worker 	int ret = __syscall(SYS_fchmod, fd, mode);
9*c9945492SAndroid Build Coastguard Worker 	if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
10*c9945492SAndroid Build Coastguard Worker 		return __syscall_ret(ret);
11*c9945492SAndroid Build Coastguard Worker 
12*c9945492SAndroid Build Coastguard Worker 	char buf[15+3*sizeof(int)];
13*c9945492SAndroid Build Coastguard Worker 	__procfdname(buf, fd);
14*c9945492SAndroid Build Coastguard Worker #ifdef SYS_chmod
15*c9945492SAndroid Build Coastguard Worker 	return syscall(SYS_chmod, buf, mode);
16*c9945492SAndroid Build Coastguard Worker #else
17*c9945492SAndroid Build Coastguard Worker 	return syscall(SYS_fchmodat, AT_FDCWD, buf, mode);
18*c9945492SAndroid Build Coastguard Worker #endif
19*c9945492SAndroid Build Coastguard Worker }
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