fixed error return

ft_printf.c

@@ -14,6 +14,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include "libft.h"
+#include "libft/libft.h"
 #include "ft_printf.h"
 
 int	ft_isbase(char *str)
@@ -161,7 +162,7 @@ int	print_hex(va_list args, int uppercase)
 	return (wrote);
 }
 
-int	print_pointer(va_list args, int uppercase)
+int	print_pointer(va_list args)
 {
 	long	n;
 	size_t	len;
@@ -172,19 +173,17 @@ int	print_pointer(va_list args, int uppercase)
 	n = va_arg(args, unsigned long);
 	if (!n)
 	{
-		write(1,"(nil)", 5);
+		write(1, "(nil)", 5);
 		return (5);
 	}
 	str = ft_calloc(sizeof(char), 20);
 	if (!str)
 		return (wrote);
-	if (uppercase)
-		ft_putnbr_base(n, "0123456789ABCDEF", str);
-	else
+
+	ft_strlcpy(str, "0x", 3);
 	ft_putnbr_base(n, "0123456789abcdef", str);
 	len = ft_strlen(str);
-	wrote = write(1, "0x", 2);
-	wrote += write(1, str, len);
+	wrote = write(1, str, len);
 	free(str);
 	return (wrote);
 }
@@ -203,7 +202,7 @@ int	parse_conversion(const char **format, va_list args)
 	else if (ft_strchr("u", **format))
 		wrote = print_unumber(args);
 	else if (ft_strchr("p", **format))
-		wrote = print_pointer(args, 0);
+		wrote = print_pointer(args);
 	else if (ft_strchr("x", **format))
 		wrote = print_hex(args, 0);
 	else if (ft_strchr("X", **format))
@@ -230,20 +229,27 @@ int	parse_placeholder(const char **format, va_list args)
 int	ft_printf(const char *format, ...)
 {
 	int		wrote;
+	int		result;
 	va_list	args;
 
-	wrote = 0;
+	result = 0;
 	va_start(args, format);
-	while (*format)
+	while (*format && result >= 0)
 	{
 		if (*format == '%')
-			wrote += parse_placeholder(&format, args);
+			wrote = parse_placeholder(&format, args);
 		else
-			wrote += write(1, format, 1);
+			wrote = write(1, format, 1);
+		if (wrote < 0)
+		{
+			result = wrote;
+			break;
+		}
+		result += wrote;
 		format++;
 	}
 	va_end(args);
-	return (wrote);
+	return (result);
 }
 
 /*

ft_printf.h

@@ -13,6 +13,20 @@
 #ifndef FT_PRINTF_H
 # define FT_PRINTF_H
 
+# include <stdarg.h>
+
 int		ft_printf(const char *format, ...);
+int		ft_isbase(char *str);
+void	ft_write_str(char c, char *str);
+void	ft_putnbr_base(unsigned long nbr, char *base, char *result);
+void	ft_putnbr_signed(long nbr, char *base, char *result);
+int		print_char(va_list args);
+int		print_string(va_list args);
+int		print_number(va_list args);
+int		print_unumber(va_list args);
+int		print_hex(va_list args, int uppercase);
+int		print_pointer(va_list args);
+int		parse_conversion(const char **format, va_list args);
+int		parse_placeholder(const char **format, va_list args);
 
 #endif

libft/libft.h

@@ -69,4 +69,10 @@ void	ft_lstclear(t_list **lst, void (*del)(void *));
 void	ft_lstiter(t_list *lst, void (*f)(void *));
 t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *));
 
+/*
+ * ft_printf
+ */
+
+int		ft_printf(const char *format, ...);
+
 #endif