started working on pmm and fixed printf doing weird things to the

numbers

1 files changed, 17 insertions, 9 deletions

diff --git a/libc/printf.c b/libc/printf.c
index 72a4749..0bb5506 100644
--- a/libc/printf.c
+++ b/libc/printf.c
@@ -37,10 +37,14 @@ static const char* itoa(unsigned int num, char* str, unsigned int base) {
 	}

 	

 	// reverse the string

-	for (int i = 0; i < cou; i++) {

-		char temp = str[i];

-		str[i] = str[cou - i - 1]; 

-		str[cou - 1] = temp;

+	size_t start = 0;

+	size_t end = cou - 1;

+	while (start < end) {

+		char temp = str[start];

+		str[start] = str[end];

+		str[end] = temp;

+		++start;

+		--end;

 	}

 

 	str[cou] = '\0';

@@ -49,7 +53,7 @@ static const char* itoa(unsigned int num, char* str, unsigned int base) {
 

 // have no idea if there's a better way to do this. for %lx

 static const char* itoa_u64(unsigned long long num, char* str, int base) {

-	int cou = 0; // nt

+	size_t cou = 0; // nt

 

     if (num == 0) { // 0

 		str[cou] = '0';

@@ -71,10 +75,14 @@ static const char* itoa_u64(unsigned long long num, char* str, int base) {
 	}

 	

 	// reverse the string

-	for (int i = 0; i < cou; i++) {

-		char temp = str[i];

-		str[i] = str[cou - i - 1]; 

-		str[cou - 1] = temp;

+	size_t start = 0;

+	size_t end = cou - 1;

+	while (start < end) {

+		char temp = str[start];

+		str[start] = str[end];

+		str[end] = temp;

+		++start;

+		--end;

 	}

 

 	str[cou] = '\0';