archi124

Digby_Real_Estate/Fundamentals/my_strapp.c

@@ -0,0 +1,60 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+char *strdup(const char *s); 
+
+
+void my_strapp(char *src, char **dest){  
+
+    if (src == NULL || dest == NULL) return;
+
+    //taille src
+    int index = 0;
+    while (*(src + index)) index ++;
+    
+    //taille desti
+    int index_dest = 0;
+    while (*(*dest + index_dest)) index_dest ++;
+
+    //realloc des dest avec la taille de src
+    *dest = realloc(*dest, index + index_dest + 1);
+    //int *dest = realloc(*dest, index);
+    
+    if (dest == NULL) return;
+
+    index = 0;
+    /*while(*(new + index_dest)){ 
+        
+        printf("%c", *(new + index_dest));
+
+        index_dest ++;
+    }
+    printf("\n");
+    //index_dest --;
+    while(*(src + index)){
+
+        *(new + (index_dest+ index)) = *(src + index);
+        index ++;
+    }*/
+ 
+    while(*(src + index)){
+        *(*dest + index_dest + index) = *(src + index);
+        index ++;
+    }
+
+    *(dest + index_dest + index + 1) = '\0';
+
+
+}
+/*
+int main(){
+    
+    char *src = strdup("World!");
+    char *dest = strdup("Hello, ");
+    char **dest_ptr = &dest;
+    
+    my_strapp(src, dest_ptr); // Hello, World!
+    printf("%s", *dest_ptr);
+    free(src);
+    free(dest);
+}*/