migrate to gitlab

1 files changed, 85 insertions, 0 deletions

diff --git a/env.c b/env.c
new file mode 100644
index 0000000..a90b8ea
--- /dev/null
+++ b/env.c
@@ -0,0 +1,85 @@
+/*
+ * UNG's Not GNU
+ *
+ * Copyright (c) 2011-2017, Jakob Kaivo <jkk@ung.org>
+ *
+ * Permission to use, copy, modify, and/or 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 "ed.h"
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void ed_error(const char *fmt, ...)
+{
+	if (ed_state.help) {
+		free(ed_state.help);
+	}
+
+	va_list ap, ap2;
+	va_start(ap, fmt);
+	va_copy(ap2, ap);
+	size_t n = vsnprintf(NULL, 0, fmt, ap);
+
+	ed_state.help = calloc(n + 2, 1);
+	if (ed_state.help == NULL) {
+		fprintf(stderr, "ed: Out of memory\n");
+		exit(1);
+	}
+
+	vsnprintf(ed_state.help, n + 1, fmt, ap2);
+	va_end(ap);
+	va_end(ap2);
+
+	puts("?");
+
+	if (ed_state.help_mode) {
+		puts(ed_state.help);
+	}
+}
+
+void ed_filename(intmax_t start, intmax_t end, const char *arg)
+{
+	if (ed_state.filename) {
+		free(ed_state.filename);
+	}
+
+	ed_state.filename = strdup(arg);
+}
+
+void ed_help(intmax_t start, intmax_t end, const char *arg)
+{
+	if (ed_state.help) {
+		puts(ed_state.help);
+	}
+}
+
+void ed_help_mode(intmax_t start, intmax_t end, const char *arg)
+{
+	ed_state.help_mode = !ed_state.help_mode;
+	if (ed_state.help_mode) {
+		ed_help(start, end, arg);
+	}
+}
+
+void ed_prompt(intmax_t start, intmax_t end, const char *arg)
+{
+	if (ed_state.prompt == NULL) {
+		ed_state.prompt = "*";
+	}
+
+	ed_state.prompt_mode = !ed_state.prompt_mode;
+}