add docker support

dep/editline-1.17.1/examples/testit.c

@@ -0,0 +1,78 @@
+/* A "micro-shell" to test editline library.
+ * If given any arguments, commands aren't executed.
+ *
+ * Copyright (c) 1992, 1993  Simmule Turner and Rich Salz. All rights reserved.
+ *
+ * This software is not subject to any license of the American Telephone
+ * and Telegraph Company or of the Regents of the University of California.
+ *
+ * Permission is granted to anyone to use this software for any purpose on
+ * any computer system, and to alter it and redistribute it freely, subject
+ * to the following restrictions:
+ * 1. The authors are not responsible for the consequences of use of this
+ *    software, no matter how awful, even if they arise from flaws in it.
+ * 2. The origin of this software must not be misrepresented, either by
+ *    explicit claim or by omission.  Since few users ever read sources,
+ *    credits must appear in the documentation.
+ * 3. Altered versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.  Since few users
+ *    ever read sources, credits must appear in the documentation.
+ * 4. This notice may not be removed or altered.
+ */
+#include <config.h>
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include "editline.h"
+
+#ifndef HAVE_PERROR
+extern int errno;
+void perror(char *s)
+{
+    fprintf(stderr, "%s: error %d\n", s, errno);
+}
+#endif /* !HAVE_PERROR */
+
+int main(int argc, char *argv[] __attribute__ ((unused)))
+{
+    int doit;
+    char *prompt, *p;
+
+    read_history(".testit_history");
+
+    doit = argc == 1;
+    if ((prompt = getenv("TESTPROMPT")) == NULL)
+	prompt = "testit> ";
+
+    while ((p = readline(prompt)) != NULL) {
+	printf("\t\t\t|%s|\n", p);
+	if (doit) {
+	    if (strncmp(p, "cd ", 3) == 0) {
+		if (chdir(&p[3]) < 0)
+		    perror(&p[3]);
+	    } else if (system(p) != 0) {
+		perror(p);
+	    }
+	}
+	free(p);
+    }
+
+    write_history(".testit_history");
+    rl_uninitialize();
+
+    return 0;
+}
+
+/**
+ * Local Variables:
+ *  c-file-style: "k&r"
+ *  c-basic-offset: 4
+ * End:
+ */