From be89f6a96033a2a9b6b286dd724521b0c78becb0 Mon Sep 17 00:00:00 2001
From: IonutParau <ionut.alex.parau@gmail.com>
Date: Tue, 29 Jul 2025 19:01:34 +0200
Subject: [PATCH] minor changes

---
 src/components/filesystem.c         | 2 +-
 src/components/volatileFilesystem.c | 8 ++++----
 src/emulator.c                      | 1 +
 src/neonucleus.h                    | 6 ++++--
 4 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/src/components/filesystem.c b/src/components/filesystem.c
index 3719598..1d35724 100644
--- a/src/components/filesystem.c
+++ b/src/components/filesystem.c
@@ -267,7 +267,7 @@ void nn_fs_lastModified(nn_filesystem *fs, nn_componentMethod *_, nn_component *
 
     nn_errorbuf_t err = "";
     nn_lock(&fs->ctx, fs->lock);
-    nn_size_t t = fs->table.lastModified(fs->table.userdata, canonical, err);
+    nn_timestamp_t t = fs->table.lastModified(fs->table.userdata, canonical, err);
     nn_unlock(&fs->ctx, fs->lock);
     if(!nn_error_isEmpty(err)) {
         nn_setError(computer, err);
diff --git a/src/components/volatileFilesystem.c b/src/components/volatileFilesystem.c
index 27e9ed1..5059d0d 100644
--- a/src/components/volatileFilesystem.c
+++ b/src/components/volatileFilesystem.c
@@ -15,7 +15,7 @@ typedef struct nn_vfnode {
     };
     nn_size_t len;
     nn_size_t cap;
-    nn_size_t lastModified;
+    nn_timestamp_t lastModified;
     // this is used to block deleting
     nn_refc handleCount;
 } nn_vfnode;
@@ -41,11 +41,11 @@ typedef struct nn_vfilesystem {
 
 // virtual node helpers
 
-nn_size_t nn_vf_now(nn_vfilesystem *fs) {
+nn_timestamp_t nn_vf_now(nn_vfilesystem *fs) {
     nn_Clock c = fs->ctx.clock;
     double time = c.proc(c.userdata);
     double elapsed = time - fs->birthday;
-    nn_size_t elapsedMS = elapsed * 1000;
+    nn_timestamp_t elapsedMS = elapsed * 1000;
     return fs->opts.creationTime + elapsedMS;
 }
 
@@ -285,7 +285,7 @@ nn_size_t nn_vfs_remove(nn_vfilesystem *fs, const char *path, nn_errorbuf_t err)
     return removed;
 }
 
-nn_size_t nn_vfs_lastModified(nn_vfilesystem *fs, const char *path, nn_errorbuf_t err) {
+nn_timestamp_t nn_vfs_lastModified(nn_vfilesystem *fs, const char *path, nn_errorbuf_t err) {
     nn_vfnode *node = nn_vf_resolvePath(fs, path);
     if(node == NULL) {
         nn_error_write(err, "No such file");
diff --git a/src/emulator.c b/src/emulator.c
index c2a3321..6fa8c56 100644
--- a/src/emulator.c
+++ b/src/emulator.c
@@ -232,6 +232,7 @@ void *ne_fs_open(nn_address address, const char *path, const char *mode, nn_erro
     FILE *f = fopen(p, trueMode);
     if(f == NULL) {
         nn_error_write(err, strerror(errno));
+		return NULL;
     }
 	setvbuf(f, NULL, _IONBF, BUFSIZ);
     return f;
diff --git a/src/neonucleus.h b/src/neonucleus.h
index 1058fbd..d0585d1 100644
--- a/src/neonucleus.h
+++ b/src/neonucleus.h
@@ -141,6 +141,8 @@ typedef struct nn_computer nn_computer;
 typedef struct nn_component nn_component;
 typedef struct nn_componentTable nn_componentTable;
 
+typedef unsigned long long nn_timestamp_t;
+
 // A non-zero malloc is a null ptr, with a 0 oldSize, but a non-0 newSize.
 // A zero malloc is never called, the proc address itself is returned, which is ignored when freeing.
 // A free is a non-null ptr, with a non-zero oldSize, but a newSize of 0.
@@ -778,7 +780,7 @@ typedef struct nn_filesystemTable {
     // general operations
     nn_size_t (*size)(void *userdata, const char *path, nn_errorbuf_t err);
     nn_size_t (*remove)(void *userdata, const char *path, nn_errorbuf_t err);
-    nn_size_t (*lastModified)(void *userdata, const char *path, nn_errorbuf_t err);
+    nn_timestamp_t (*lastModified)(void *userdata, const char *path, nn_errorbuf_t err);
     nn_size_t (*rename)(void *userdata, const char *from, const char *to, nn_errorbuf_t err);
     nn_bool_t (*exists)(void *userdata, const char *path, nn_errorbuf_t err);
 
@@ -813,7 +815,7 @@ typedef struct nn_vfilesystemImageNode {
 
 typedef struct nn_vfilesystemOptions {
     // used to compute lastModified
-    nn_size_t creationTime;
+    nn_timestamp_t creationTime;
     nn_size_t maxDirEntries;
     nn_size_t capacity;
     nn_bool_t isReadOnly;