feat(libkern): strrchr (StringFindLastOccurenceOfCharacter)

fix(OSServiceProcessSpawn): now it uses strrchr to get process name

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);
+UInt64 StringGetLength(const char* string);
+const char* StringFindLastOccurrenceOfCharacter(const char* string, char separator);

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) {

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;
 }