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99 lines
2.5 KiB
99 lines
2.5 KiB
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* utils_2.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/05/06 13:15:59 by narnaud #+# #+# */
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/* Updated: 2022/05/06 13:25:32 by narnaud ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int file_error(char *cmd, char *file, char *msg)
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{
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ft_putstr_fd("Minishell: ", 2);
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ft_putstr_fd(cmd, 2);
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ft_putstr_fd(": ", 2);
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ft_putstr_fd(file, 2);
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ft_putstr_fd(": ", 2);
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ft_putstr_fd(msg, 2);
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ft_putchar_fd('\n', 2);
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return (0);
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}
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static char *get_var_value(t_datas *datas, char **line, int name_len);
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int replace_var(t_datas *datas, char **line, char *tmp, int tmp_i)
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{
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int name_len;
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int i;
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char *value;
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if ((*line)[1] == '?')
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{
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value = ft_itoa(datas->exit_code);
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name_len = 2;
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}
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else
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{
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name_len = 1;
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while (ft_isalpha((*line)[name_len]) \
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|| ft_isdigit((*line)[name_len]) || (*line)[name_len] == '_')
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name_len++;
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value = get_var_value(datas, line, name_len);
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}
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i = 0;
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while (value[i])
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tmp[tmp_i++] = value[i++];
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tmp[tmp_i] = 0;
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*line += name_len;
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free(value);
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return (tmp_i);
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}
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char *expend_str(t_datas *datas, char *line)
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{
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char *tmp;
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int tmp_i;
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tmp = ft_calloc(STR_MAX_SIZE, sizeof *tmp);
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if (!tmp)
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free(tmp);
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tmp_i = 0;
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while (*line)
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{
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if (*line == '$')
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tmp_i = replace_var(datas, &line, tmp, tmp_i);
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else
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tmp[tmp_i++] = *(line++);
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}
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return (tmp);
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}
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static char *get_var_value(t_datas *datas, char **line, int name_len)
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{
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int i;
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char **env;
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char *name;
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char *value;
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name = ft_substr(*line, 1, name_len - 1);
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i = 0;
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value = NULL;
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while (datas->envp[i] && !value)
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{
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env = ft_split(datas->envp[i], '=');
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if (!ft_strncmp(name, env[0], name_len + 1))
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value = (free(env[0]), env[1]);
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else if (++i)
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ft_free_split(env);
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}
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free(name);
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if (value)
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free(env);
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else
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value = strdup("");
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return (value);
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}
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