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pipex_parsing.c
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pipex_parsing.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* pipex_parsing.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: asoler <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/08/03 19:40:04 by asoler #+# #+# */
/* Updated: 2022/08/04 23:11:11 by asoler ### ########.fr */
/* */
/* ************************************************************************** */
#include "pipex.h"
int trunc_spaces(char *space, char *cmd)
{
int r_letter;
r_letter = 97;
while (ft_strchr(cmd, r_letter))
r_letter++;
space[0] = r_letter;
return (r_letter);
}
void trim_each(char **path, int r_letter)
{
int i;
char *aux;
i = 0;
while (path[i])
{
if (ft_strlen(path[i]) > 2)
path[i] = ft_strtrim(path[i], "'");
if (r_letter)
{
aux = ft_strchr(path[i], r_letter);
while (aux)
{
aux[0] = ' ';
aux = ft_strchr(&aux[1], r_letter);
}
}
i++;
}
}
void trunc_spaces_btwn_quotes(int *i, char *arg, char *aux, int *r_letter)
{
while (arg[*i] != '\'' && arg[*i])
{
if (arg[*i] == ' ')
*r_letter = trunc_spaces(&arg[*i], aux);
*i += 1;
}
}
void verify_spaces(char *aux, int *r_letter)
{
int i;
char *arg;
i = 1;
arg = ft_strchr(aux, '\'');
if (arg)
{
trunc_spaces_btwn_quotes(&i, arg, aux, r_letter);
while (arg[i])
{
i++;
while (arg[i] == ' ')
i++;
if (arg[i] == '\'')
i++;
trunc_spaces_btwn_quotes(&i, arg, aux, r_letter);
}
}
}
int alloc_exec_paths(char *path, char ***cmd)
{
char *aux;
int r_letter;
r_letter = 0;
if (*path == 0)
{
*cmd = malloc(sizeof(char *) * 2);
*cmd[0] = ft_strdup("");
return (0);
}
aux = ft_strdup(path);
verify_spaces(aux, &r_letter);
*cmd = ft_split(aux, ' ');
if (ft_strchr(aux, '\''))
trim_each(*cmd, r_letter);
free(aux);
aux = ft_strdup(*cmd[0]);
free(*cmd[0]);
*cmd[0] = ft_strjoin("/usr/bin/", aux);
free(aux);
return (0);
}