-#ifndef lint
-static char *sccsid = "@(#)wwgets.c 1.2 83/07/19";
-#endif
+/*
+ * Copyright (c) 1983, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Edward Wang at The University of California, Berkeley.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
-#include "defs.h"
+#ifndef lint
+static char sccsid[] = "@(#)wwgets.c 8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
-char *ibufp = ibuf;
+#include "ww.h"
+#include "char.h"
-bread()
+wwgets(buf, n, w)
+char *buf;
+int n;
+register struct ww *w;
{
- register n;
- register char *p;
- int imask;
+ register char *p = buf;
+ register char c;
+ char uc = w->ww_unctrl;
+ static void rub();
- while (ibufc == 0) {
- wwflush();
- imask = 1 << 0;
- while (wwforce(&imask) < 0)
- ;
- if ((imask & 1 << 0) == 0)
- continue;
- if (ibufc == 0) {
- p = ibufp = ibuf;
- n = sizeof ibuf;
+ w->ww_unctrl = 0;
+ for (;;) {
+ wwcurtowin(w);
+ while ((c = wwgetc()) < 0)
+ wwiomux();
+#ifdef OLD_TTY
+ if (c == wwoldtty.ww_sgttyb.sg_erase)
+#else
+ if (c == wwoldtty.ww_termios.c_cc[VERASE])
+#endif
+ {
+ if (p > buf)
+ rub(*--p, w);
+ } else
+#ifdef OLD_TTY
+ if (c == wwoldtty.ww_sgttyb.sg_kill)
+#else
+ if (c == wwoldtty.ww_termios.c_cc[VKILL])
+#endif
+ {
+ while (p > buf)
+ rub(*--p, w);
+ } else
+#ifdef OLD_TTY
+ if (c == wwoldtty.ww_ltchars.t_werasc)
+#else
+ if (c == wwoldtty.ww_termios.c_cc[VWERASE])
+#endif
+ {
+ while (--p >= buf && (*p == ' ' || *p == '\t'))
+ rub(*p, w);
+ while (p >= buf && *p != ' ' && *p != '\t')
+ rub(*p--, w);
+ p++;
+ } else if (c == '\r' || c == '\n') {
+ break;
} else {
- p = ibufp + ibufc;
- n = (ibuf + sizeof ibuf) - p;
+ if (p >= buf + n - 1)
+ wwputc(ctrl('g'), w);
+ else
+ wwputs(unctrl(*p++ = c), w);
}
- if ((n = read(0, p, n)) > 0)
- ibufc += n;
}
+ *p = 0;
+ w->ww_unctrl = uc;
+}
+
+static void
+rub(c, w)
+struct ww *w;
+{
+ register i;
+
+ for (i = strlen(unctrl(c)); --i >= 0;)
+ (void) wwwrite(w, "\b \b", 3);
}