ras le bol

Who_robbed_Thibouvre/fundamentals/write_format/write_format.c

@@ -1,3 +1,4 @@
+#include <stdio.h>
 enum data_type {
     STRING,
     INTEGER,
@@ -6,6 +7,63 @@ enum data_type {
 
 int write_format(void *data, enum data_type type, char *filename)
 {
-    // FIXME: Implement this function
+    FILE *file = fopen(filename, "a");
+    if(!file) return 1;
+
+    printf("%i\n", type);
+
+    if(type == STRING){ 
+        char *var = data;
+        fprintf(file, "String: %s\n", var);
+    }
+    else if (type == INTEGER){ 
+        int *var = data;
+        //printf("%c", *var % 10 + 48);
+        /*fprintf(file, "Integer: ");
+        while(*var > 10){
+            char tmp = *var % 10 + 48;
+            fprintf(file, "%c", tmp);
+            *var = *var / 10;
+        }
+        fprintf(file, "\n");*/
+
+        fprintf(file,"Integer: %d\n", *var);
+    }
+    else if (type == POINTER){ 
+        char *var = data;
+        fprintf(file, "Pointer: %p\n", var);
+    }
+    else return 1;
+
     return 0;
-}
+}
+/*
+int main()
+{
+    char *str = "Write me!";
+    int integer = 42;
+    int *ptr = &integer;
+    
+    //As you can see, we pass an integer pointer to the function.
+    //This is because genericity only applies to pointers, so you cannot directly pass an integer as a parameter.
+    //It also means that you will have to dereference it in order to retrieve its value.
+    
+
+    write_format(str, STRING, "output.txt");
+    write_format(ptr, INTEGER, "output.txt");
+    write_format(ptr, POINTER, "output.txt");
+    // * output.txt should contain:
+    //String: Write me!
+    //Integer: 42
+    //Pointer: 0x424242424242 // Unfortunately, it may not be the result you will get, but something similar
+    
+
+    // FLAG
+    //Complete the function in order to print the password into output.txt.
+    //
+    size_t password[2] = { 7940247895376159821, 0 };
+    write_format(password, STRING, "output.txt");
+
+    return 0;
+}
+*/