193 static int add_byte(int c, char **lineptr, size_t slen, size_t *n)  in add_byte()  argument
196 	size_t new_size = slen + 1;  in add_byte()
208 	(*lineptr)[slen] = c;  in add_byte()
216 	size_t slen = 0;  in compat_getline()  local
223 			if (add_byte(c, &line, slen, n) < 0)  in compat_getline()
225 			slen++;  in compat_getline()
228 			if (add_byte('\0', &line, slen, n) < 0)  in compat_getline()
231 			if (slen == 0)  in compat_getline()
233 			return slen;  in compat_getline()
235 			if (add_byte(c, &line, slen, n) < 0)  in compat_getline()
237 			slen++;  in compat_getline()
242 	line[slen-1] = '\0';  in compat_getline()