- int doing = (result != 0);
- int ok = TRUE;
- char *p = NULL;
- int plen = 0, psize = 0;
-
- if (maxlen <= 0)
- maxlen = -1;
-
- for (; *s && maxlen != 0; s++, maxlen--) {
- wchar_t c = *s;
- char outc;
-
- if ((c >= 32 && c <= 126) ||
- (c >= 160 && c <= 255)) {
- /* Char is OK. */
- if (c == 32 && hard_spaces)
- outc = '\240';
- else
- outc = (char)c;
- } else {
- /* Char is not OK. */
- ok = FALSE;
- outc = 0xBF; /* approximate the good old DEC `uh?' */
- }
- if (doing) {
- if (plen >= psize) {
- psize = plen + 256;
- p = resize(p, psize);
- }
- p[plen++] = outc;
- }
- }
- if (doing) {
- p = resize(p, plen+1);
- p[plen] = '\0';
- *result = p;
+ if (maxlen > 0 && ustrlen(s) > maxlen) {
+ s2 = mknewa(wchar_t, maxlen+1);
+ memcpy(s2, s, maxlen * sizeof(wchar_t));
+ s2[maxlen] = L'\0';
+ s = s2;
+ } else
+ s2 = NULL;
+
+ /*
+ * We currently only support Win1252 in Windows Help files,
+ * because I don't know how to fiddle the character set
+ * designation in the |SYSTEM file to indicate anything else.
+ */
+
+ ret = utoa_careful_dup(s, CS_CP1252);
+ if (!ret) {
+ ok = FALSE;
+ ret = utoa_dup(s, CS_CP1252);
+ } else
+ ok = TRUE;
+
+ /*
+ * Enforce hard_spaces.
+ */
+ if (hard_spaces) {
+ char *p;
+
+ for (p = ret; *p; p++)
+ if (*p == ' ')
+ *p = '\240';