Add parentheses to lab-02 get pixel macro

Signed-off-by: Cosmin Popa <[email protected]>
systems-cs-pub-ro · Mar 11, 2024 · c668bef · c668bef
1 parent 9216b71
commit c668bef
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/laborator/content/operatii-memorie-gdb/README.md b/laborator/content/operatii-memorie-gdb/README.md
@@ -460,7 +460,7 @@ p.b = 0.11 * p.b;
 > Accesarea elementelor matricei de pixeli se va face folosind operații cu pointeri.
 > **Hint:** Pentru simplificare, vă puteți folosi de urmatorul macro:
 > ```c
-> #define GET_PIXEL(a, i ,j) (*(*(a + i) + j))
+> #define GET_PIXEL(a, i ,j) (*(*((a) + (i)) + (j)))
 > ```
 
 ### **4. Find-Max**

diff --git a/laborator/content/operatii-memorie-gdb/solution/3-pixels/pixels.c b/laborator/content/operatii-memorie-gdb/solution/3-pixels/pixels.c
@@ -7,7 +7,7 @@
 #include <time.h>
 #include "pixel.h"
 
-#define GET_PIXEL(a, i, j) (*(*(a + i) + j))
+#define GET_PIXEL(a, i, j) (*(*((a) + (i)) + (j)))
 
 void colorToGray(Picture *pic)
 {