static ssize_t buildpath(char *dst,size_t dstSize,const char *src) {
const char *p = src;
while(*p == '/')
p++;
int layer = 0;
size_t count = 0;
char *pathtemp = dst;
while(*p) {
int pos = strchri(p,'/');
/* simply skip '.' */
if(pos == 1 && p[0] == '.')
p += 2;
/* one layer back */
else if(pos == 2 && p[0] == '.' && p[1] == '.') {
if(layer > 0) {
char *start = pathtemp;
/* to last slash */
while(*pathtemp != '/')
pathtemp--;
*pathtemp = '\0';
count -= start - pathtemp;
layer--;
}
p += 3;
}
else {
if(dstSize - count < (size_t)(pos + 2))
return count;
/* append to path */
pathtemp[0] = '/';
strncpy(pathtemp + 1,p,pos);
pathtemp[pos + 1] = '\0';
pathtemp += pos + 1;
count += pos + 1;
p += pos + 1;
layer++;
}
/* one step too far? */
if(*(p - 1) == '\0')
break;
/* skip multiple '/' */
while(*p == '/')
p++;
}
/* terminate */
if(dstSize - count < 2)
return count;
/* root? */
if(pathtemp == dst) {
*pathtemp++ = '/';
count++;
}
*pathtemp = '\0';
return count;
}
int scan_op(char **arg, t_lv *lv)
{
ft_bzero((void *)lv->flag, 3);
if ((lv->f = search_ope(&(*arg)[lv->d], "+-*%/=",
strchri(&(*arg)[lv->d], ';'))))
{
if (lv->f == '=')
return (0);
lv->flag[0] = search_opi(&(*arg)[lv->d], "+-*%/=",
strchri(&(*arg)[lv->d], ';'));
lv->flag[1] = search_ope(ft_strchr(&(*arg)[lv->d],
lv->f) + 1, "+-*%/=", 1);
}
else if (ft_strchr(cpy_to(&(*arg)[lv->d],
search_opi(&(*arg)[lv->d], ";&<>|", 10000)), '.'))
lv->f = '.';
return (1);
}
void modif_e2(t_sh *t, t_linez *lz, int k, int *j)
{
char *tmp;
int x = 0;
if (ft_strncmp("unsetenv", lz->ep_l, 8))
{
tmp = ft_strdup(lz->ep_l);
t->env = realloc_tb(t->env);
if (search_oplen(&lz->ep_l[k], " =", 10000)
< search_oplen(&lz->ep_l[k], "<>|&;", 10000))
{
if (ft_strchr(&(tmp[k]), '='))
{
t->env[++j[1]] = cpy_to(&(tmp[k]), '=');
x = strchri(&(tmp[k]), '=');
while (tmp[k + x] == ' ' || tmp[k + x] == '=')
x++;
}
else
{
t->env[++j[1]] = cpy_to(&(tmp[k]), ' ');
x = strchri(&(tmp[k]), ' ');
while (tmp[k + x] == ' ' || tmp[k + x] == '=')
x++;
}
}
else
t->env[++j[1]] = ft_strdup(&(tmp[k]));
if (x && tmp[k + x])
{
replace_char(t->env[j[1]], '=', ' ');
t->env[j[1]] = epur_str(t->env[j[1]], t);
if (t->env[j[1]][len(t->env[j[1]]) - 1] == ' ')
t->env[j[1]][len(t->env[j[1]]) - 1] = '\0';
t->env[j[1]] = ft_strjoin_free(t->env[j[1]], "=", 1);
t->env[j[1]] = ft_strjoin_free(t->env[j[1]], &tmp[k + x], 1);
}
else
t->env[j[1]] = ft_strjoin_free(t->env[j[1]], "=", 1);
ft_strdel(&tmp);
}
t->env[++j[1]] = 0;
}
char *set_local_var(char **arg, int opt, t_sh *t)
{
static char **vars = NULL;
t_lv *lv;
int i;
i = -1;
lv = (t_lv *)malloc(sizeof(t_lv));
lv->d = strchri((*arg), '$');
if (vars && (opt == 6 || opt == 7))
return (find_del(vars, arg, opt));
if (vars && opt == 1)
{
if (!scan_op(arg, lv))
return (NULL);
i = search_cmp(i, vars, cpy_to(&((*arg)[lv->d + 1]), ';'));
lv->o = search_ope(&(*arg)[lv->d], t->ope, len(&(*arg)[lv->d]));
lv->a = ft_strsub((*arg), 0, lv->d);
lv->b = ft_strdup(ft_strchr(&(*arg)[lv->d], lv->o));
if (vars[i])
found_var(vars, lv, arg, i);
else
{
ft_strdel(arg);
*arg = ft_strjoin_free(lv->a, lv->b, 3);
}
return (*arg);
}
if (opt == 1 || opt == 6 || opt == 7)
return (NULL);
if (!vars)
{
vars = (char **)malloc(sizeof(char *) * 100);
vars[0] = NULL;
}
free(lv);
return (assign_alias(vars, i, arg));
}