added ws202425 courses

2024_Grundlagen_Betriebssysteme_Rechnernetze/uebung-1-cofee/workdir.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+char *mywdfunc(unsigned int bufsize) {
+  if (bufsize < 100) {
+    return NULL;
+  }
+
+  char *buf = (char *)calloc(bufsize,sizeof(char));
+  
+  if (buf == NULL){
+      return NULL;
+  }
+
+  if (getcwd(buf,bufsize-1) == NULL) {
+    free(buf);
+    return NULL;
+  }
+
+  return buf; 
+}
+
+int main() {
+
+  char *ret = mywdfunc(512);
+
+  printf("%s", ret);
+  free(ret);
+  return EXIT_SUCCESS;
+}