From 4a245d3885f99169649cc45e2d1abe606c249d22 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Fri, 21 Jul 2017 17:46:02 -0400
Subject: Implement -printx

Also from NetBSD.
---
 eval.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'eval.c')

diff --git a/eval.c b/eval.c
index 34ccba8..1d2da7c 100644
--- a/eval.c
+++ b/eval.c
@@ -669,6 +669,44 @@ done:
 	return true;
 }
 
+/**
+ * -printx action.
+ */
+bool eval_fprintx(const struct expr *expr, struct eval_state *state) {
+	FILE *file = expr->cfile->file;
+	const char *path = state->ftwbuf->path;
+
+	while (true) {
+		size_t span = strcspn(path, " \t\n\\$'\"`");
+		if (fwrite(path, 1, span, file) != span) {
+			goto error;
+		}
+		path += span;
+
+		char c = path[0];
+		if (!c) {
+			break;
+		}
+
+		char escaped[] = {'\\', c};
+		if (fwrite(escaped, 1, sizeof(escaped), file) != sizeof(escaped)) {
+			goto error;
+		}
+		++path;
+	}
+
+
+	if (fputc('\n', file) == EOF) {
+		goto error;
+	}
+
+	return true;
+
+error:
+	eval_error(state);
+	return true;
+}
+
 /**
  * -prune action.
  */
-- 
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