mirror of
https://codeberg.org/la-chouette/minishell.git
synced 2025-12-06 07:28:09 +01:00
112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_printf_utils.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jguelen <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/12/04 10:39:30 by jguelen #+# #+# */
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/* Updated: 2024/12/11 14:25:40 by jguelen ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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/*To handle special printf behaviors regarding strings and precision.*/
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static int ft_printf_strlen(char *s, int maxchar)
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{
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int len;
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len = 0;
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if (!s)
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{
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if (maxchar > 5)
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return (6);
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return (0);
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}
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while (s[len] && len < maxchar)
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len++;
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return (len);
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}
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int ft_int_len(int n, int base_len)
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{
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int len;
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int calc;
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len = 0;
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calc = n;
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if (n == 0)
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return (1);
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while (calc != 0)
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{
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calc /= base_len;
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len++;
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}
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return (len);
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}
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int ft_uint_len(unsigned int n, int base_len)
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{
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int len;
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unsigned int calc;
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calc = n;
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len = 0;
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if (n == 0)
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return (1);
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while (calc != 0)
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{
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calc /= base_len;
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len++;
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}
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return (len);
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}
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/*Naming is a bit off since it can only be used for pointers*/
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int ft_ull_len(unsigned long long n, int base_len)
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{
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unsigned long long calc;
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int len;
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len = 0;
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calc = n;
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if (n == 0)
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return (ft_strlen("(nil)"));
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while (calc != 0)
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{
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calc /= base_len;
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len++;
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}
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return (len);
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}
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/*Takes precision into account when relevant.*/
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int var_len(t_printf_format *format)
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{
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t_printf_spec spec;
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spec = format->specifier;
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if (spec == PRINTF_CHARSPEC || spec == PRINTF_NOSPEC
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|| spec == PRINTF_PERCENTSPEC)
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return (1);
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if (spec == PRINTF_STRINGSPEC)
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{
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if (format->flags & PRINTF_DOTFLAG)
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return (ft_printf_strlen(format->var.s, (int)format->precision));
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else
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return ((int)ft_printf_strlen(format->var.s, INT_MAX));
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}
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if (spec == PRINTF_INTSPEC)
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return (max_int(ft_int_len(format->var.i, 10), format->precision));
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if (spec == PRINTF_UINTSPEC)
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return (max_int(ft_uint_len(format->var.u, 10), format->precision));
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if (spec == PRINTF_HEXA_LOWSPEC || spec == PRINTF_HEXA_UPSPEC)
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return (max_int(ft_uint_len(format->var.u, HEX_LEN),
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format->precision));
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if (spec == PRINTF_POINTERSPEC)
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return (ft_ull_len((unsigned long long)format->var.p, HEX_LEN));
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if (ft_isnumeric_conv(format) && !format->var.i && !format->var.u)
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return (0);
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return (0);
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}
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