xref: /aosp_15_r20/external/musl/src/conf/fpathconf.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <unistd.h>
2*c9945492SAndroid Build Coastguard Worker #include <limits.h>
3*c9945492SAndroid Build Coastguard Worker #include <errno.h>
4*c9945492SAndroid Build Coastguard Worker 
fpathconf(int fd,int name)5*c9945492SAndroid Build Coastguard Worker long fpathconf(int fd, int name)
6*c9945492SAndroid Build Coastguard Worker {
7*c9945492SAndroid Build Coastguard Worker 	static const short values[] = {
8*c9945492SAndroid Build Coastguard Worker 		[_PC_LINK_MAX] = _POSIX_LINK_MAX,
9*c9945492SAndroid Build Coastguard Worker 		[_PC_MAX_CANON] = _POSIX_MAX_CANON,
10*c9945492SAndroid Build Coastguard Worker 		[_PC_MAX_INPUT] = _POSIX_MAX_INPUT,
11*c9945492SAndroid Build Coastguard Worker 		[_PC_NAME_MAX] = NAME_MAX,
12*c9945492SAndroid Build Coastguard Worker 		[_PC_PATH_MAX] = PATH_MAX,
13*c9945492SAndroid Build Coastguard Worker 		[_PC_PIPE_BUF] = PIPE_BUF,
14*c9945492SAndroid Build Coastguard Worker 		[_PC_CHOWN_RESTRICTED] = 1,
15*c9945492SAndroid Build Coastguard Worker 		[_PC_NO_TRUNC] = 1,
16*c9945492SAndroid Build Coastguard Worker 		[_PC_VDISABLE] = 0,
17*c9945492SAndroid Build Coastguard Worker 		[_PC_SYNC_IO] = 1,
18*c9945492SAndroid Build Coastguard Worker 		[_PC_ASYNC_IO] = -1,
19*c9945492SAndroid Build Coastguard Worker 		[_PC_PRIO_IO] = -1,
20*c9945492SAndroid Build Coastguard Worker 		[_PC_SOCK_MAXBUF] = -1,
21*c9945492SAndroid Build Coastguard Worker 		[_PC_FILESIZEBITS] = FILESIZEBITS,
22*c9945492SAndroid Build Coastguard Worker 		[_PC_REC_INCR_XFER_SIZE] = 4096,
23*c9945492SAndroid Build Coastguard Worker 		[_PC_REC_MAX_XFER_SIZE] = 4096,
24*c9945492SAndroid Build Coastguard Worker 		[_PC_REC_MIN_XFER_SIZE] = 4096,
25*c9945492SAndroid Build Coastguard Worker 		[_PC_REC_XFER_ALIGN] = 4096,
26*c9945492SAndroid Build Coastguard Worker 		[_PC_ALLOC_SIZE_MIN] = 4096,
27*c9945492SAndroid Build Coastguard Worker 		[_PC_SYMLINK_MAX] = -1,
28*c9945492SAndroid Build Coastguard Worker 		[_PC_2_SYMLINKS] = 1
29*c9945492SAndroid Build Coastguard Worker 	};
30*c9945492SAndroid Build Coastguard Worker 	if (name >= sizeof(values)/sizeof(values[0])) {
31*c9945492SAndroid Build Coastguard Worker 		errno = EINVAL;
32*c9945492SAndroid Build Coastguard Worker 		return -1;
33*c9945492SAndroid Build Coastguard Worker 	}
34*c9945492SAndroid Build Coastguard Worker 	return values[name];
35*c9945492SAndroid Build Coastguard Worker }
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