From 04a4125f66ad9b6702f40e5a6503e726cf808596 Mon Sep 17 00:00:00 2001
From: Martin Vladic <martin.vladic@gmail.com>
Date: Sun, 8 Nov 2020 18:02:27 +0100
Subject: [PATCH] strnstr on win32

---
 src/eez/util.cpp | 24 ++++++++++++++++++++++++
 src/eez/util.h   |  4 ++++
 2 files changed, 28 insertions(+)

diff --git a/src/eez/util.cpp b/src/eez/util.cpp
index 9f5f5371a..6f52f3c92 100644
--- a/src/eez/util.cpp
+++ b/src/eez/util.cpp
@@ -615,3 +615,27 @@ void getBaseFileName(const char *path, char *baseName, unsigned basenameSize) {
 }
 
 } // namespace eez
+
+#ifdef EEZ_PLATFORM_SIMULATOR_WIN32
+char *strnstr(const char *s1, const char *s2, size_t n) {
+    char c = *s2;
+
+    if (c == '\0')
+        return (char *)s1;
+
+    for (size_t len = strlen(s2); len <= n; n--, s1++) {
+        if (*s1 == c) {
+            for (size_t i = 1;; i++) {
+                if (i == len) {
+                    return (char *)s1;
+                }
+                if (s1[i] != s2[i]) {
+                    break;
+                }
+            }
+        }
+    }
+
+    return NULL;
+}
+#endif
diff --git a/src/eez/util.h b/src/eez/util.h
index 8f81b27b5..b027e66eb 100644
--- a/src/eez/util.h
+++ b/src/eez/util.h
@@ -129,3 +129,7 @@ void formatBytes(uint64_t bytes, char *text, int count);
 void getBaseFileName(const char *path, char *baseName, unsigned basenameSize);
 
 } // namespace eez
+
+#ifdef EEZ_PLATFORM_SIMULATOR_WIN32
+char *strnstr(const char *s1, const char *s2, size_t n);
+#endif
\ No newline at end of file