-MODULE_ID("$Id: lib_addstr.c,v 1.34 2002/10/06 00:25:25 tom Exp $")
-
-#if USE_WIDEC_SUPPORT
-#define CONV_DATA mbstate_t state; wchar_t cached; int clen = 0
-#define CONV_INIT memset (&state, '\0', sizeof (state)); cached = (wchar_t)WEOF
-#define NEXT_CHAR(s,ch, n) \
- { \
- int len, i = 0; \
- memset(&ch, 0, sizeof(cchar_t)); \
- if (cached != (wchar_t) WEOF) { \
- ch.chars[i++] = cached; \
- cached = (wchar_t) WEOF; \
- n -= clen; \
- s += clen; \
- } \
- for (; i < CCHARW_MAX && n > 0; ++i) { \
- if ((len = mbrtowc(&ch.chars[i], s, n, &state)) < 0) { \
- code = ERR; \
- break; \
- } \
- if (i == 0 || wcwidth(ch.chars[i]) == 0) { \
- n -= len; \
- s += len; \
- } else { \
- cached = ch.chars[i]; \
- clen = len; \
- ch.chars[i] = L'\0'; \
- break; \
- } \
- } \
- if (code == ERR) \
- break; \
- }
-#else
-#define CONV_DATA
-#define CONV_INIT
-#define NEXT_CHAR(s,ch, n) \
- ch = *s++; \
- --n
-#endif