refactor: added -Wextra to CFLAGS

2 files changed, 3 insertions, 3 deletions

diff --git a/analyzer/utils/roman.c b/analyzer/utils/roman.c
index 4fbe5c0..2086edc 100644
--- a/analyzer/utils/roman.c
+++ b/analyzer/utils/roman.c
@@ -4,7 +4,7 @@
 
 #include "utils/memory.h"
 
-void to_roman(char *buffer, int number) {
+void to_roman(char *buffer, unsigned int number) {
     buffer[0] = '\0';
     for (size_t i = 0; i < ARR_LEN(roman_symbols); i++) {
         for (size_t j = 0; j < number / roman_symbols[i].num; j++) {
diff --git a/analyzer/utils/roman.h b/analyzer/utils/roman.h
index cebd16e..572f866 100644
--- a/analyzer/utils/roman.h
+++ b/analyzer/utils/roman.h
@@ -2,7 +2,7 @@
 // functions for roman numbers
 
 typedef struct {
-    int num;
+    unsigned int num;
     char *symbol;
 } RomanSymbol;
 
@@ -26,4 +26,4 @@ static const RomanSymbol roman_symbols[] = {
 // params:
 //      buffer - buffer to save the roman number to
 //      number - arabic number to convert
-extern void to_roman(char *buffer, int number);
+extern void to_roman(char *buffer, unsigned int number);