xref: /aosp_15_r20/external/musl/src/string/strerror_r.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <string.h>
2*c9945492SAndroid Build Coastguard Worker #include <errno.h>
3*c9945492SAndroid Build Coastguard Worker 
strerror_r(int err,char * buf,size_t buflen)4*c9945492SAndroid Build Coastguard Worker int strerror_r(int err, char *buf, size_t buflen)
5*c9945492SAndroid Build Coastguard Worker {
6*c9945492SAndroid Build Coastguard Worker 	char *msg = strerror(err);
7*c9945492SAndroid Build Coastguard Worker 	size_t l = strlen(msg);
8*c9945492SAndroid Build Coastguard Worker 	if (l >= buflen) {
9*c9945492SAndroid Build Coastguard Worker 		if (buflen) {
10*c9945492SAndroid Build Coastguard Worker 			memcpy(buf, msg, buflen-1);
11*c9945492SAndroid Build Coastguard Worker 			buf[buflen-1] = 0;
12*c9945492SAndroid Build Coastguard Worker 		}
13*c9945492SAndroid Build Coastguard Worker 		return ERANGE;
14*c9945492SAndroid Build Coastguard Worker 	}
15*c9945492SAndroid Build Coastguard Worker 	memcpy(buf, msg, l+1);
16*c9945492SAndroid Build Coastguard Worker 	return 0;
17*c9945492SAndroid Build Coastguard Worker }
18*c9945492SAndroid Build Coastguard Worker 
19*c9945492SAndroid Build Coastguard Worker weak_alias(strerror_r, __xpg_strerror_r);
20