1 files changed, 114 insertions, 0 deletions
diff --git a/regress/lib/libedit/read/test_read_char.c b/regress/lib/libedit/read/test_read_char.c
new file mode 100644
index 00000000000..94487134c05
--- /dev/null
+++ b/regress/lib/libedit/read/test_read_char.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <err.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "read.c"
+
+/*
+ * Glue for unit tests of libedit/read.c.
+ * Rather than linking in all the various libedit modules,
+ * provide dummies for those functions called in read.c.
+ * Most aren't actually called in read_char().
+ * Requires "make obj && make depend" in src/lib/libedit.
+ */
+
+#define EL EditLine *el __attribute__((__unused__))
+#define UU __attribute__((__unused__))
+
+int ch_enlargebufs(EL, size_t addlen UU) { return 1; }
+void ch_reset(EL, int mclear UU) { }
+void el_resize(EL) { }
+int el_set(EL, int op UU, ...) { return 0; }
+void re_clear_display(EL) { }
+void re_clear_lines(EL) { }
+void re_refresh(EL) { }
+void re_refresh_cursor(EL) { }
+void sig_clr(EL) { }
+void sig_set(EL) { }
+void terminal__flush(EL) { }
+void terminal_beep(EL) { }
+int tty_cookedmode(EL) { return 0; }
+int tty_rawmode(EL) { return 0; }
+
+int
+keymacro_get(EL, Char *ch, keymacro_value_t *val)
+{
+	val->str = NULL;
+	*ch = '\0';
+	return XK_STR;
+}
+
+#undef EL
+#undef UU
+
+/*
+ * Unit test steering program for editline/read.c, read_char().
+ * Reads from standard input until read_char() returns 0.
+ * Writes the code points read to standard output in %x format.
+ * If EILSEQ is set after read_char(), indicating that there were some
+ * garbage bytes before the character, the code point gets * prefixed.
+ * The return value is indicated by appending to the code point:
+ * a comma for 1, a full stop for 0, [%d] otherwise.
+ * Errors out on unexpected failure (setlocale failure, malloc
+ * failure, or unexpected errno).
+ * Since ENOMSG is very unlikely to occur, it is used to make
+ * sure that read_char() doesn't clobber errno.
+ */
+
+int
+main(void)
+{
+	EditLine el;
+	int irc;
+	Char cp;
+
+	if (setlocale(LC_CTYPE, "en_US.UTF-8") == NULL)
+		err(1, "setlocale");
+	el.el_flags = CHARSET_IS_UTF8;
+	el.el_infd = STDIN_FILENO;
+	if ((el.el_signal = calloc(1, sizeof(*el.el_signal))) == NULL)
+		err(1, NULL);
+	do {
+		errno = ENOMSG;
+		irc = read_char(&el, &cp);
+		switch (errno) {
+		case ENOMSG:
+			break;
+		case EILSEQ:
+			putchar('*');
+			break;
+		default:
+			err(1, NULL);
+		}
+		printf("%x", cp);
+		switch (irc) {
+		case 1:
+			putchar(',');
+			break;
+		case 0:
+			putchar('.');
+			break;
+		default:
+			printf("[%d]", irc);
+			break;
+		}
+	} while (irc != 0);
+	return 0;
+}