71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* print_buf_prefix.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: igarbuz <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/01/29 20:59:34 by igarbuz #+# #+# */
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/* Updated: 2019/01/29 20:59:36 by igarbuz ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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void ft_printbuf_sprefix(char *b, int p, intmax_t *arg)
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{
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if (*arg < 0)
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ft_printbuf_char(b, '-');
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else if (*arg >= 0 && (p & 1))
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ft_printbuf_char(b, '+');
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else if (*arg >= 0 && (p >> 3 & 1))
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ft_printbuf_char(b, ' ');
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}
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/*
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** c must be 55 (65 - 10) for HEX upper case;
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** 87 (97 - 10) for hex lower case;
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*/
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void ft_printbuf_xprefix(char *b, char c, t_param *prm, intmax_t *arg)
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{
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if ((c == 'x' || c == 'X') && (prm->p >> 2 & 1) && *arg)
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{
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ft_printbuf_char(b, '0');
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ft_printbuf_char(b, c);
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}
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else if (c == 'p')
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{
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ft_printbuf_char(b, '0');
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ft_printbuf_char(b, 'x');
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}
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else if (c == 'o' && (prm->p >> 2 & 1) && (*arg || !prm->prc))
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ft_printbuf_char(b, '0');
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}
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void ft_printbuf_fprefix(char *b, int p, double *arg)
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{
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uintmax_t *ptr;
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ptr = (uintmax_t *)arg;
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if (!(*ptr >> 63) && (p & 1))
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ft_printbuf_char(b, '+');
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else if (!(*ptr >> 63) && (p >> 3 & 1))
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ft_printbuf_char(b, ' ');
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else if (*ptr >> 63)
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ft_printbuf_char(b, '-');
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}
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void ft_printbuf_long_fprefix(char *b, int p, long double *arg)
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{
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uintmax_t *ptr;
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ptr = (uintmax_t *)arg;
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if (!((ptr[1] >> 15) & 1) && (p & 1))
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ft_printbuf_char(b, '+');
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else if (!((ptr[1] >> 15) & 1) && (p >> 3 & 1))
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ft_printbuf_char(b, ' ');
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else if ((ptr[1] >> 15) & 1)
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ft_printbuf_char(b, '-');
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}
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