71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* is_char_esc.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: wescande <wescande@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/01/27 18:19:55 by wescande #+# #+# */
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/* Updated: 2017/03/17 19:31:16 by ariard ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int is_char_esc(const unsigned char *esc,
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const char *ini_str, const char *str_pos)
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{
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int pos;
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if (!esc || !ini_str || !str_pos)
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return (-1);
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pos = str_pos - ini_str;
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if (pos < 0)
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return (-1);
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if ((esc[pos >> 3] >> (7 - pos % 8)) & 1)
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return (1);
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return (0);
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}
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void set_char_esc_mode(unsigned char *esc,
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const char *ini_str, const char *str_pos, int mode)
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{
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int pos;
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if (!esc || !ini_str || !str_pos || mode < 0 || mode > 1)
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return ;
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pos = str_pos - ini_str;
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esc[pos >> 3] |= mode << (7 - pos % 8);
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}
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void set_char_esc(unsigned char *esc,
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const char *ini_str, const char *str_pos)
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{
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int pos;
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if (!esc || !ini_str || !str_pos)
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return ;
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pos = str_pos - ini_str;
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esc[pos >> 3] |= 1 << (7 - pos % 8);
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}
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void set_char_no_esc(unsigned char *esc,
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const char *ini_str, const char *str_pos)
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{
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int pos;
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if (!esc || !ini_str || !str_pos)
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return ;
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pos = str_pos - ini_str;
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esc[pos >> 3] |= 0 << (7 - pos % 8);
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}
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unsigned char *dup_char_esc(const unsigned char *esc, const int size)
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{
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unsigned char *new_esc;
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if (!(new_esc = (unsigned char *)ft_strnew(size)))
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return (NULL);
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new_esc = ft_memcpy(new_esc, esc, size);
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return (new_esc);
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}
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