From 4cbf19c97ef3af2e55cdc477d9f616e12ea9d63b Mon Sep 17 00:00:00 2001
From: flyinghead <raphael.jean@gmail.com>
Date: Tue, 7 Dec 2021 17:15:35 +0100
Subject: [PATCH] libretro: nvmem not saved when rom path mixes slash and
 backslash

Issue https://github.com/libretro/flycast/issues/1114
---
 shell/libretro/libretro.cpp | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/shell/libretro/libretro.cpp b/shell/libretro/libretro.cpp
index 72343d15f..205fd7c09 100644
--- a/shell/libretro/libretro.cpp
+++ b/shell/libretro/libretro.cpp
@@ -962,14 +962,11 @@ static void extract_directory(char *buf, const char *path, size_t size)
 	strncpy(buf, path, size - 1);
 	buf[size - 1] = '\0';
 
-	char *base = strrchr(buf, '/');
-	if (!base)
-		base = strrchr(buf, '\\');
-
+	char *base = find_last_slash(buf);
 	if (base)
 		*base = '\0';
 	else
-		buf[0] = '\0';
+		strncpy(buf, ".", size - 1);
 }
 
 static uint32_t map_gamepad_button(unsigned device, unsigned id)
@@ -1364,11 +1361,10 @@ static void set_input_descriptors()
 
 static void extract_basename(char *buf, const char *path, size_t size)
 {
-	const char *base = strrchr(path, slash);
+	const char *base = find_last_slash(path);
 	if (!base)
 		base = path;
-
-	if (*base == slash)
+	else
 		base++;
 
 	strncpy(buf, base, size - 1);