1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
61 	_ConversionState *cs;  in mbrtocXX_l()  local
68 		ps = &(XLOCALE_CTYPE(locale)->mbrtocXX);  in mbrtocXX_l()
69 	cs = (_ConversionState *)ps;  in mbrtocXX_l()
70 	handle = &cs->iconv;  in mbrtocXX_l()
73 	if (s == NULL || !cs->initialized) {  in mbrtocXX_l()
75 		    nl_langinfo_l(CODESET, locale), UTF_XX_INTERNAL) != 0) {  in mbrtocXX_l()
76 			cs->initialized = false;  in mbrtocXX_l()
78 			return (-1);  in mbrtocXX_l()
80 		cs->srcbuf_len = cs->dstbuf_len = 0;  in mbrtocXX_l()
81 		cs->initialized = true;  in mbrtocXX_l()
83 			return (0);  in mbrtocXX_l()
87 	if (cs->dstbuf_len > 0) {  in mbrtocXX_l()
88 		retval = (size_t)-3;  in mbrtocXX_l()
93 	if (n > sizeof(cs->srcbuf) - cs->srcbuf_len)  in mbrtocXX_l()
94 		n = sizeof(cs->srcbuf) - cs->srcbuf_len;  in mbrtocXX_l()
95 	memcpy(cs->srcbuf + cs->srcbuf_len, s, n);  in mbrtocXX_l()
98 	for (i = 0; ; i++) {  in mbrtocXX_l()
103 		src = cs->srcbuf;  in mbrtocXX_l()
104 		srcleft = cs->srcbuf_len + n;  in mbrtocXX_l()
105 		dst = cs->dstbuf.bytes;  in mbrtocXX_l()
107 		assert(srcleft <= sizeof(cs->srcbuf) &&  in mbrtocXX_l()
108 		    dstleft <= sizeof(cs->dstbuf.bytes));  in mbrtocXX_l()
111 		cs->dstbuf_len = (dst - cs->dstbuf.bytes) / sizeof(charXX_t);  in mbrtocXX_l()
114 		if (cs->dstbuf_len > 0) {  in mbrtocXX_l()
115 			assert(src - cs->srcbuf > cs->srcbuf_len);  in mbrtocXX_l()
116 			retval = src - cs->srcbuf - cs->srcbuf_len;  in mbrtocXX_l()
117 			cs->srcbuf_len = 0;  in mbrtocXX_l()
126 		if (invlen > 0) {  in mbrtocXX_l()
127 			cs->srcbuf_len = 0;  in mbrtocXX_l()
129 			return ((size_t)-1);  in mbrtocXX_l()
133 		memmove(cs->srcbuf, src, srcleft);  in mbrtocXX_l()
134 		cs->srcbuf_len = srcleft;  in mbrtocXX_l()
135 		return ((size_t)-2);  in mbrtocXX_l()
139 	retchar = cs->dstbuf.widechar[0];  in mbrtocXX_l()
140 	memmove(&cs->dstbuf.widechar[0], &cs->dstbuf.widechar[1],  in mbrtocXX_l()
141 	    --cs->dstbuf_len * sizeof(charXX_t));  in mbrtocXX_l()
144 	if (retchar == 0)  in mbrtocXX_l()
145 		return (0);  in mbrtocXX_l()