parse_general_func.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   parse_general_func.c                               :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kamitsui <kamitsui@student.42tokyo.jp>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/11/15 18:52:53 by kamitsui          #+#    #+#             */
/*   Updated: 2024/12/29 18:17:24 by kamitsui         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "cub3d.h"
 
int print_until_ch(int fd, const char *str, int c)
{
    size_t      len;
    ssize_t     result;
    const char  *end;
 
    if (str == NULL)
        return (EXIT_FAILURE);
    end = ft_strchr(str, c);
    if (end == NULL)
        len = ft_strlen(str);
    else
        len = end - str;
    result = write(fd, str, len);
    if (result == -1)
    {
        perror("write failed");
        exit(EXIT_FAILURE);
    }
    else if ((size_t)result != len)
    {
        ft_eprintf("Partial write. Only %lu bytes out of %lu were written.\n",
            (size_t)result, len);
        exit(EXIT_FAILURE);
    }
    return (EXIT_SUCCESS);
}
 
int check_for_not_matching_bit(int variable, int flags_to_check)
{
    if ((variable & flags_to_check) == flags_to_check)
        return (0x00);
    return (flags_to_check & ~variable);
}
 
char    *find_next_line(const char *contents)
{
    char    *line;
 
    line = ft_strchr(contents, '\n');
    if (line == NULL)
        return (NULL);
    line++;
    if (*line == '\0')
        return (NULL);
    return (line);
}
 
bool    is_key_line(const char *line, const char *key)
{
    size_t  len;
 
    len = ft_strlen(key);
    return (ft_strncmp(line, key, len) == 0);
}
 
char    *strdup_trimmed_line(const char *str)
{
    const char  *start;
    const char  *end;
    size_t      length;
    char        *result;
 
    start = str;
    while (*str && *str != '\n')
        str++;
    end = str - 1;
    while (end >= start && (!ft_isprint(*end) || ft_isspace(*end)))
        end--;
    length = (end >= start) * (end - start + 1);
    result = ft_strndup(start, length);
    return (result);
}