fix(solutions): memory issues thanks to -fsanitize=address flag with gcc

challenges/print-pyramid/solutions/c/function/character.c

@@ -1,9 +1,5 @@
 #include "character.h"
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 void character_append(char* string, char character) {
   size_t length = strlen(string);
   string[length] = character;

challenges/print-pyramid/solutions/c/function/character.h

@@ -1,7 +1,9 @@
 #ifndef __CHARACTER__
 #define __CHARACTER__
 
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 /**
  * @brief Append a character to a string, assuming string points to an array

challenges/print-pyramid/solutions/c/function/input.c

@@ -1,10 +1,5 @@
 #include "input.h"
 
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "character.h"
-
 char* input() {
   char character;
   size_t length = 1;

challenges/print-pyramid/solutions/c/function/input.h

@@ -1,6 +1,11 @@
 #ifndef __INPUT__
 #define __INPUT__
 
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "character.h"
+
 /**
  * @brief Read a line from stdin.
  *

challenges/print-pyramid/solutions/c/function/solution.c

@@ -7,10 +7,10 @@
 
 int main() {
   char* type = input();
-  int height;
-  scanf("%d", &height);
+  unsigned long height;
+  scanf("%lu", &height);
 
-  int step = strcmp(type, "normal") == 0 ? 1 : height;
+  unsigned long step = strcmp(type, "normal") == 0 ? 1 : height;
   while ((strcmp(type, "normal") == 0 && step <= height) || (strcmp(type, "reverse") == 0 && step != 0)) {
     size_t numberOfStars = (step * 2) - 1;
     size_t totalNumberOfLocations = (height * 2) - 1;
@@ -23,5 +23,6 @@ int main() {
     step = strcmp(type, "normal") == 0 ? step + 1 : step - 1;
   }
 
+  free(type);
   return EXIT_SUCCESS;
 }