char *replace_env(char **env, char *cmd, int lret)
{
int size;
char *str;
size = replace_size_env(env, cmd, lret);
size += replace_size_tilde(cmd, ft_getenv(env, "HOME"));
str = ft_strnew(size + 1);
size = 0;
while (*cmd)
{
cmd = skip_quotes(cmd, &size);
if (*cmd == '$')
size += sub_replace_env(env, &cmd, &str[size], lret);
else if (*cmd == '~')
{
size += replace_tilde(ft_getenv(env, "HOME"), &str[size]);
cmd++;
}
else
{
str[size++] = *cmd;
cmd++;
}
}
str[size] = 0;
return (str);
}
char *
expand_path(const char path[])
{
char *const expanded_envvars = expand_envvars(path, 0);
/* replace_tilde() frees memory pointed to by expand_envvars. */
return replace_tilde(expanded_envvars);
}
void parse_args(t_all *all)
{
int i;
i = 0;
while (all->cmd.args[i])
{
all->cmd.args[i] = replace_tilde(all, all->cmd.args[i]);
all->cmd.args[i] = replace_var(all, all->cmd.args[i]);
i++;
}
}
void check_tilde(t_lexer *node, char **env)
{
int i;
char *str;
i = 0;
str = node->str;
while (str[i])
{
if (str[i] == '~' && (i == 0 || ft_isspace(str[i - 1])))
replace_tilde(node, env, i);
i++;
}
}
/* Breaks PATH environment variable into list of paths. */
static void
split_path_list(void)
{
const char *path, *p, *q;
int i;
path = env_get("PATH");
if(paths != NULL)
free_string_array(paths, paths_count);
paths_count = 1;
p = path;
while((p = strchr(p, ':')) != NULL)
{
paths_count++;
p++;
}
paths = reallocarray(NULL, paths_count, sizeof(paths[0]));
if(paths == NULL)
{
paths_count = 0;
return;
}
i = 0;
p = path - 1;
do
{
int j;
char *s;
p++;
#ifndef _WIN32
q = strchr(p, ':');
#else
q = strchr(p, ';');
#endif
if(q == NULL)
{
q = p + strlen(p);
}
s = malloc(q - p + 1U);
if(s == NULL)
{
free_string_array(paths, i - 1);
paths = NULL;
paths_count = 0;
return;
}
copy_str(s, q - p + 1U, p);
p = q;
s = replace_tilde(s);
/* No need to check "." path for existence. */
if(strcmp(s, ".") != 0)
{
if(!path_exists(s, DEREF))
{
free(s);
continue;
}
}
paths[i++] = s;
for(j = 0; j < i - 1; j++)
{
if(stroscmp(paths[j], s) == 0)
{
free(s);
i--;
break;
}
}
}
while(q[0] != '\0');
paths_count = i;
}
