From 2f58f641754c9384d14728266b081d74adafe079 Mon Sep 17 00:00:00 2001
From: Karina <karinyash96@gmail.com>
Date: Sun, 1 Feb 2026 21:02:54 +0400
Subject: [PATCH] feat(libkern): strrchr (StringFindLastOccurenceOfCharacter)

fix(OSServiceProcessSpawn): now it uses strrchr to get process name
---
 kernel/inc/lib/String.h                   |  3 ++-
 kernel/src/OS/Services/OSServiceProcess.c | 10 +++++++++-
 kernel/src/lib/String.c                   |  9 +++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/kernel/inc/lib/String.h b/kernel/inc/lib/String.h
index 79b5628..37fb0a4 100644
--- a/kernel/inc/lib/String.h
+++ b/kernel/inc/lib/String.h
@@ -10,4 +10,5 @@ Int32 StringCompare(const char* firstString, const char* secondString);
 Int32 StringCompareWithLimit(const char* firstString, const char* secondString, UInt64 limit);
 char* StringCopy(char* destination, const char* source);
 char* StringCopyWithLimit(char* destination, const char* source, UInt64 limit);
-UInt64 StringGetLength(const char* string);
\ No newline at end of file
+UInt64 StringGetLength(const char* string);
+const char* StringFindLastOccurrenceOfCharacter(const char* string, char separator);
\ No newline at end of file
diff --git a/kernel/src/OS/Services/OSServiceProcess.c b/kernel/src/OS/Services/OSServiceProcess.c
index f6afd7b..93bb661 100644
--- a/kernel/src/OS/Services/OSServiceProcess.c
+++ b/kernel/src/OS/Services/OSServiceProcess.c
@@ -7,6 +7,9 @@
 #include <OS/Exec/OSLoader.h>
 #include <IO/IOConsole.h>
 
+
+#include <lib/String.h>
+
 Int32 OSServiceProcessExit(Int32 code) {
     IOConsoleLog("\n[Dewar] process \"%s\" exited with code %d\n", gOSSchedulerCurrentTask->process->name, code);
     OSSchedulerTerminate();
@@ -15,7 +18,12 @@ Int32 OSServiceProcessExit(Int32 code) {
 
 
 Int32 OSServiceProcessSpawn(const char* path) {
-    return OSLoaderProcessSpawn(path, path);
+    const char* name = StringFindLastOccurrenceOfCharacter(path, '/');
+    
+    if (name) name++;
+    else name = path;
+
+    return OSLoaderProcessSpawn(path, name);
 }
 
 Int32 OSServiceProcessWait(UInt64 processID) {
diff --git a/kernel/src/lib/String.c b/kernel/src/lib/String.c
index 8590bf6..2ca6ed0 100644
--- a/kernel/src/lib/String.c
+++ b/kernel/src/lib/String.c
@@ -74,4 +74,13 @@ UInt64 StringGetLength(const char* string) {
     UInt64 result = 0;
     for (result = 0; string[result]; result++);
     return result;
+}
+
+const char* StringFindLastOccurrenceOfCharacter(const char* string, char separator) {
+    const char* lastSeparator = nullptr;
+    do {
+        if (*string == separator) lastSeparator = (char*)string;
+    } while (*string++);
+
+    return lastSeparator;
 }
\ No newline at end of file