adding labs

srcs/ft_itoa_static.c

@@ -55,21 +55,19 @@ char *ft_itoa_static(long int nbr, char *buffer, size_t buff_len)
 	}
 
 	// Determine if the number is negative
-	is_negative = ft_sign_f(nbr);
-	if (is_negative)
-	{
-		nbr = -nbr; // Make nbr positive for processing
-	}
+	is_negative = nbr < 0;
+	nbr = ft_labs(nbr);
 
 	// Write the null terminator at the end
-	buffer[buff_len] = '\0';
+	buffer[buff_len - 1] = '\0';
 
 	// Write the digits in reverse order
-	i = buff_len - 1;
+	i = buff_len - 2;
 	do
 	{
-		buffer[i--] = (nbr % 10) + '0';
+		buffer[i] = (nbr % 10) + '0';
 		nbr /= 10;
+		i--;
 	} while (nbr != 0);
 
 	// Add the negative sign if needed

srcs/ft_labs.c

@@ -0,0 +1,8 @@
+#include "libft.h"
+
+long int ft_labs(long int n)
+{
+	if (n < 0)
+		n *= -1;
+	return (n);
+}

srcs/ft_nbrlen.c

@@ -7,10 +7,12 @@
 size_t ft_nbrlen(int nbr)
 {
     int len;
+    int is_negative;
 
+    is_negative = nbr < 0;
     len = (nbr < 0) ? 2 : 1;
     while (nbr /= 10)
         len++;
 
-    return len;
+    return len + is_negative;
 }

srcs/ft_strjoin_static.c

@@ -15,12 +15,19 @@
 
 size_t ft_strjoin_static(char *dst, size_t dst_size, const char **srcs, size_t n)
 {
+    size_t total_len;
+    size_t i;
+
     // Calculate total length needed
-    size_t total_len = 0;
-    for (size_t i = 0; i < n; i++)
+    total_len = 0;
+    i = 0;
+    while (i < n)
     {
         total_len += ft_strlen(srcs[i]);
+        ft_printf("--ft_strlen(srcs[%i]):%i--", i, ft_strlen(srcs[i]));
+        i++;
     }
+    ft_printf("{dst_size:%li,srcs[0]:%s,srcs[1]:%s,total_len:%i}", dst_size, srcs[0], srcs[1], total_len); // debug
 
     // Check if buffer is large enough (include space for '\0')
     if (total_len + 1 > dst_size)

srcs/ft_strlen.c

@@ -11,12 +11,12 @@
 /* ************************************************************************** */
 
 /*
-** return length of of string
+** return length of of string, excluding the terminal '\0'
 */
 
 #include "libft.h"
 
-size_t		ft_strlen(const char *str)
+size_t ft_strlen(const char *str)
 {
 	size_t i;