From 75ea20675d012e692996bc6beae9149b0deb08b0 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Fri, 5 Nov 2021 18:52:11 +0100
Subject: initial commit

---
 example.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 example.c

(limited to 'example.c')

diff --git a/example.c b/example.c
new file mode 100644
index 0000000..e9f57d5
--- /dev/null
+++ b/example.c
@@ -0,0 +1,44 @@
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "ste.h"
+
+/* example of libste usage: iterate over $PATH and append argv[1],
+   print the entries that fit into PATH_MAX. */
+
+int
+main(int argc, char *argv[])
+{
+	char *path = getenv("PATH");
+	if (!path)
+	    path = "";
+
+	char *program = argc > 1 ? argv[1] : "xyzzy";
+
+	char *pathend = path + strlen(path);
+
+	char buf[PATH_MAX];
+	char *bufend = buf + sizeof buf;
+
+	while (1) {
+		char *pos = buf;
+
+		char *colon = stechr(path, pathend, ':');
+		if (path == colon)  /* empty entry */
+			pos = stecpy(buf, bufend, ".");
+		else
+			pos = stecpe(buf, bufend, path, colon);
+
+		pos = steprn(pos, bufend, "/%s", program);
+
+		if (pos < bufend) {  /* no trunaction */
+			printf("%s\n", buf);
+		}
+
+		if (colon == pathend)
+			break;
+		path = colon + 1;
+	}
+}
-- 
cgit 1.4.1