From 5a1eca115fb50cba752baf539db85cf08b89abcd Mon Sep 17 00:00:00 2001
From: Mark Kim <markuskimius@gmail.com>
Date: Tue, 23 Mar 2021 23:48:53 -0400
Subject: [PATCH] save/open support in ios

---
 src/ios.c   | 29 ++++++++++++++++++++++++++---
 src/macos.c | 20 ++++++++++----------
 2 files changed, 36 insertions(+), 13 deletions(-)

diff --git a/src/ios.c b/src/ios.c
index d6e6249fe..d565ac875 100644
--- a/src/ios.c
+++ b/src/ios.c
@@ -19,9 +19,10 @@
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   (See COPYING.txt)
 */
-#include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
+#include <sys/stat.h>
+#include <libgen.h>
+#include <limits.h>
 #include "ios.h"
 
 #define IOS_FONTS_PATH              "../Library/Fonts"
@@ -29,6 +30,19 @@
 #define IOS_PICTURES_PATH           "../Documents"
 
 
+/* Recursively mkdir */
+static int _mkdir_r(const char *path)
+{
+    const char parent[PATH_MAX];
+
+    if(!dirname_r(path, parent)) return 1;   /* parent = dirname(path)   */
+    if(strcmp(parent, ".") == 0) return 0;   /* if(parent == ".") return */
+
+    _mkdir_r(parent);                        /* mkdir_r(parent) */
+    return mkdir(path, 0777);                /* mkdir(path)     */
+}
+
+
 const char *apple_fontsPath(void)
 {
     return IOS_FONTS_PATH;
@@ -37,13 +51,22 @@ const char *apple_fontsPath(void)
 
 const char *apple_preferencesPath(void)
 {
+    static int init = 0;
+
+    /* Ensure the preferences path exists */
+    if(!init) {
+        _mkdir_r(IOS_PREFERENCES_PATH);
+
+        init = 1;
+    }
+
     return IOS_PREFERENCES_PATH;
 }
 
 
 const char *apple_globalPreferencesPath(void)
 {
-    return IOS_PREFERENCES_PATH;
+    return apple_preferencesPath();
 }
 
 
diff --git a/src/macos.c b/src/macos.c
index 92dc5dbf5..923dc3472 100644
--- a/src/macos.c
+++ b/src/macos.c
@@ -36,9 +36,9 @@ const char *apple_fontsPath(void)
 
     if(!p) {
         const char *home = getenv("HOME");
-        
+
         p = malloc(strlen(home) + strlen(MACOS_FONTS_PATH) + 1);
-        
+
         if(p) sprintf(p, MACOS_FONTS_PATH, getenv("HOME"));
         else perror("apple_fontsPath");
     }
@@ -50,16 +50,16 @@ const char *apple_fontsPath(void)
 const char *apple_preferencesPath(void)
 {
     static char *p = NULL;
-    
+
     if(!p) {
         const char *home = getenv("HOME");
-        
+
         p = malloc(strlen(home) + strlen(MACOS_PREFERENCES_PATH) + 1);
-        
+
         if(p) sprintf(p, MACOS_PREFERENCES_PATH, getenv("HOME"));
         else perror("apple_preferencesPath");
     }
-    
+
     return p;
 }
 
@@ -73,15 +73,15 @@ const char *apple_globalPreferencesPath(void)
 const char *apple_picturesPath(void)
 {
     static char *p = NULL;
-    
+
     if(!p) {
         const char *home = getenv("HOME");
-        
+
         p = malloc(strlen(home) + strlen(MACOS_PICTURES_PATH) + 1);
-        
+
         if(p) sprintf(p, MACOS_PICTURES_PATH, getenv("HOME"));
         else perror("apple_picturesPath");
     }
-    
+
     return p;
 }