xref: /plan9/sys/src/cmd/unix/drawterm/libc/runestrncat.c (revision 8ccd4a6360d974db7bd7bbd4f37e7018419ea908)
1 #include <u.h>
2 #include <libc.h>
3 
4 Rune*
runestrncat(Rune * s1,Rune * s2,long n)5 runestrncat(Rune *s1, Rune *s2, long n)
6 {
7 	Rune *os1;
8 
9 	os1 = s1;
10 	s1 = runestrchr(s1, 0);
11 	while(*s1++ = *s2++)
12 		if(--n < 0) {
13 			s1[-1] = 0;
14 			break;
15 		}
16 	return os1;
17 }
18