79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* exec_utils.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/02/12 09:57:39 by lderidde #+# #+# */
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/* Updated: 2025/02/12 13:30:44 by lderidde ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../../includes/minishell.h"
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int execis_validchar(char c)
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{
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if (ft_isalnum(c) || c == '_')
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return (1);
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return (0);
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}
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int execget_var_len(char *str, t_ast_n *node, int *j)
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{
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int len;
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int ret;
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char *var;
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len = *j + 1;
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while (str[len] && execis_validchar(str[len]))
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len++;
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var = ft_substr(str, *j + 1, (size_t)len - (*j + 1));
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*j = len;
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ret = ft_strlen(get_var_value(var, node->msh->env));
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ft_free(&var);
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return (ret - (len - (*j + 1)));
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}
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int get_dup_len(char *str, t_ast_n *node)
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{
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int i;
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int len;
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i = 0;
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len = ft_strlen(str);
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while (str[i])
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{
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if (str[i] == '$')
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{
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len += execget_var_len(str, node, &i);
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i--;
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}
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i++;
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}
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return (len);
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}
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int execvalid_next(char c)
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{
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if (c != '\0' && execis_validchar(c))
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return (1);
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return (0);
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}
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char *execextract_env(char *str, char **envp)
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{
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int i;
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char *var;
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char *tmp;
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i = 1;
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while (str[i] && execis_validchar(str[i]))
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i++;
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if (i > 1)
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tmp = ft_substr(str, 1, i - 1);
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var = get_var_value(tmp, envp);
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ft_free(&tmp);
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return (var);
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}
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