seperator is now always the width of the title

src/modules/title.c

@@ -1,18 +1,49 @@
 #include "fastfetch.h"
 
-#include <string.h>
 #include <unistd.h>
+#include <pthread.h>
+
+const FFTitleResult* ffDetectTitle(FFinstance* instance)
+{
+    static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+    static bool init = false;
+    static FFTitleResult result;
+
+    pthread_mutex_lock(&mutex);
+    if(init)
+    {
+        pthread_mutex_unlock(&mutex);
+        return &result;
+    }
+    init = true;
+
+    ffStrbufInit(&result.userName);
+    ffStrbufAppendS(&result.userName, instance->state.passwd->pw_name);
+
+    ffStrbufInitA(&result.hostname, 256);
+    gethostname(result.hostname.chars, result.hostname.allocated);
+    ffStrbufRecalculateLength(&result.hostname);
+
+    pthread_mutex_unlock(&mutex);
+    return &result;
+}
+
+static inline void printTitlePart(FFinstance* instance, const FFstrbuf* content)
+{
+    fputs(FASTFETCH_TEXT_MODIFIER_BOLT, stdout);
+    ffStrbufWriteTo(&instance->config.color, stdout);
+    ffStrbufWriteTo(content, stdout);
+    fputs(FASTFETCH_TEXT_MODIFIER_RESET, stdout);
+}
 
 void ffPrintTitle(FFinstance* instance)
 {
-    char hostname[256];
-    gethostname(hostname, 256);
-
-    instance->config.titleLength = (uint32_t) strlen(instance->state.passwd->pw_name) + 1 + strlen(hostname);
+    const FFTitleResult* result = ffDetectTitle(instance);
 
     ffPrintLogoLine(instance);
 
-    printf(FASTFETCH_TEXT_MODIFIER_BOLT"%s%s"FASTFETCH_TEXT_MODIFIER_RESET"@"FASTFETCH_TEXT_MODIFIER_BOLT"%s%s"FASTFETCH_TEXT_MODIFIER_RESET"\n",
-        instance->config.color.chars, instance->state.passwd->pw_name, instance->config.color.chars, hostname
-    );
+    printTitlePart(instance, &result->userName);
+    putchar('@');
+    printTitlePart(instance, &result->hostname);
+    putchar('\n');
 }