The release version of my package install suite. Please see man pages

for info.

1 files changed, 97 insertions, 0 deletions

diff --git a/usr.sbin/pkg_install/lib/msg.c b/usr.sbin/pkg_install/lib/msg.c
new file mode 100644
index 0000000..4c74290
--- /dev/null
+++ b/usr.sbin/pkg_install/lib/msg.c
@@ -0,0 +1,97 @@
+#ifndef lint
+static const char *rcsid = "$Id: msg.c,v 1.2 1993/08/16 14:20:18 jkh Exp $";
+#endif
+
+/*
+ * FreeBSD install - a package for the installation and maintainance
+ * of non-core utilities.
+ *
+ * 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.
+ *
+ * Jordan K. Hubbard
+
+ * 18 July 1993
+ *
+ * Miscellaneous message routines.
+ *
+ */
+
+#include "lib.h"
+
+/* Die a relatively simple death */
+void
+upchuck(const char *err)
+{
+    fprintf(stderr, "Fatal error during execution: ");
+    perror(err);
+    cleanup(0);
+    exit(1);
+}
+
+/* Die a more complex death */
+void
+barf(const char *err, ...)
+{
+    va_list args;
+
+    va_start(args, err);
+    vfprintf(stderr, err, args);
+    fputc('\n', stderr);
+    va_end(args);
+    cleanup(0);
+    exit(2);
+}
+
+/* Get annoyed about something but don't go to pieces over it */
+void
+whinge(const char *err, ...)
+{
+    va_list args;
+
+    va_start(args, err);
+    vfprintf(stderr, err, args);
+    fputc('\n', stderr);
+    va_end(args);
+}
+
+/*
+ * As a yes/no question, prompting from the varargs string and using
+ * default if user just hits return.
+ */
+Boolean
+y_or_n(Boolean def, const char *msg, ...)
+{
+    va_list args;
+    int ch = 0;
+    FILE *tty;
+
+    va_start(args, msg);
+    /*
+     * Need to open /dev/tty because file collection may have been
+     * collected on stdin
+     */
+    tty = fopen("/dev/tty", "r");
+    if (!tty)
+	barf("Can't open /dev/tty!\n");
+    while (ch != 'Y'  && ch != 'N') {
+	vfprintf(stderr, msg, args);
+	if (def)
+	    fprintf(stderr, " [yes]? ");
+	else
+	    fprintf(stderr, " [no]? ");
+	fflush(stderr);
+	ch = toupper(fgetc(tty));
+	if (ch == '\n')
+	    ch = (def) ? 'Y' : 'N';
+    }
+    return (ch == 'Y') ? TRUE : FALSE;
+}
+
+