1 files changed, 146 insertions, 0 deletions
diff --git a/libft/src/ft_printf_treat_flags.c b/libft/src/ft_printf_treat_flags.c
new file mode 100644
index 0000000..d7b11a1
--- /dev/null
+++ b/libft/src/ft_printf_treat_flags.c
@@ -0,0 +1,146 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_printf_treat_flags.c                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/14 17:06:45 by rbousset          #+#    #+#             */
+/*   Updated: 2020/02/14 17:06:45 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <libft.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+static int
+	ft_printf_get_width(va_list arg, t_printflist *pflist)
+{
+	char	*nstr;
+	char	*nstr_ptr;
+	int		ret;
+
+	if (ft_strlchr(pflist->fullflag, '.') >= 0)
+		nstr = ft_substr(pflist->fullflag, 0,
+						ft_strlchr(pflist->fullflag, '.'));
+	else
+		nstr = ft_strdup(pflist->fullflag);
+	nstr_ptr = nstr;
+	nstr = ft_printf_get_width_nstr(nstr, pflist);
+	ret = ft_printf_fetch_width(arg, nstr, pflist);
+	ft_memdel((void**)&nstr_ptr);
+	(ret < 0) ? (pflist->isreverse = 1) : 0;
+	(ret < 0) ? (ret = -ret) : 0;
+	return (ret);
+}
+
+static int
+	ft_printf_get_precision(va_list arg, int pos, t_printflist *pflist)
+{
+	int		ret;
+	char	*ptr;
+
+	ptr = pflist->fullflag;
+	if (pflist->isaz && ft_strlchr(pflist->fullflag, '+') >= 0)
+	{
+		pflist->isaplus = 1;
+		if (ft_strlen(ptr) < pflist->flaglen)
+			ptr += 1;
+	}
+	if (*(ptr + pos + 1) == '*')
+	{
+		ret = va_arg(arg, int);
+		(ret < 0) ? (ret = 0) : 0;
+		return (ret);
+	}
+	else
+		ret = ft_atoi(ptr + pos + 1);
+	if (ret == 0)
+		return (-1);
+	return (ret);
+}
+
+/*
+** Corresponding l ll hh h
+** in pflist->lh
+** hh = -2
+** h = -1
+** l = 1
+** ll = 2
+*/
+
+static void
+	ft_printf_get_lh(t_printflist *pflist)
+{
+	int	pos;
+
+	if ((pos = ft_strlchr(pflist->fullflag, 'z')) >= 0)
+		pflist->zflag = 1;
+	else if ((pos = ft_strlchr(pflist->fullflag, 'l')) >= 0)
+	{
+		if (pos + 2 <= (int)pflist->flaglen &&
+			*(pflist->fullflag + pos + 1) == 'l')
+			pflist->lh = 2;
+		else
+			pflist->lh = 1;
+	}
+	else if ((pos = ft_strlchr(pflist->fullflag, 'h')) >= 0)
+	{
+		if (pos + 2 <= (int)pflist->flaglen &&
+			*(pflist->fullflag + pos + 1) == 'h')
+			pflist->lh = -2;
+		else
+			pflist->lh = -1;
+	}
+}
+
+static uint8_t
+	ft_printf_check_z(t_printflist *pflist)
+{
+	char	*ptr;
+
+	ptr = pflist->fullflag;
+	while (!ft_isdigit(*ptr) && *ptr)
+		ptr++;
+	if ((ptr - pflist->fullflag) <= (long)ft_strlen(pflist->fullflag)
+		&& (*ptr == '0') && ft_strlchr(pflist->fullflag, '.') < 0)
+		return (1);
+	return (0);
+}
+
+/*
+** Uses pflist->fullflag to put
+** width and precision in the list
+** also l ll hh h
+*/
+
+void
+	ft_printf_treat_flags(va_list arg, t_printflist *pflist)
+{
+	int		pos;
+	char	c;
+
+	pflist->flaglen = ft_strlen(pflist->fullflag);
+	if (((pflist->isaz = ft_printf_check_z(pflist)) == 1
+		&& ft_strlchr(pflist->fullflag, '.') < 0
+		&& ft_strlchr(pflist->fullflag, '-') < 0))
+		pflist->precision = ft_printf_get_precision(arg, 0, pflist);
+	else
+	{
+		pflist->width = ft_printf_get_width(arg, pflist);
+		(pflist->isaspace >= 0) ? (pflist->isaspace = 1) : 0;
+		if ((pos = ft_strlchr(pflist->fullflag, '.')) >= 0)
+			pflist->precision = ft_printf_get_precision(arg, pos, pflist);
+	}
+	(pflist->isaz && pflist->width) ? (pflist->isaz = 0) : 0;
+	(ft_strlchr(pflist->fullflag, '#') >= 0) ? (pflist->issharp = 1) : 0;
+	c = pflist->actconv;
+	if (ft_strlchr(pflist->fullflag, '.') < 0 && pflist->isaz
+	&& pflist->precision < 0 && c != 'c' && c != 's' && c != '%')
+	{
+		pflist->precision = 0;
+		pflist->isaz = 0;
+	}
+	ft_printf_get_lh(pflist);
+}