Got special variables running

1 files changed, 34 insertions, 5 deletions

diff --git a/src/ft_u_vars.c b/src/ft_u_vars.c
index 4d10aeb..80288e6 100644
--- a/src/ft_u_vars.c
+++ b/src/ft_u_vars.c
@@ -14,6 +14,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 
+#include "ft_d_define.h"
 #include "ft_f_fail.h"
 #include "ft_s_destroy.h"
 #include "ft_s_lcom.h"
@@ -39,7 +40,7 @@ static char
 }
 
 static char
-	*ft_dup_val(char *p_env,
+	*ft_dup_env(char *p_env,
 				char *rvarname,
 				t_msh *msh)
 {
@@ -72,7 +73,7 @@ static char
 				*p_env += 1;
 			if (**p_env == '=')
 				*p_env += 1;
-			varval = ft_dup_val(*p_env, rvarname, msh);
+			varval = ft_dup_env(*p_env, rvarname, msh);
 			return (varval);
 		}
 		p_env += 1;
@@ -80,6 +81,35 @@ static char
 	return (NULL);
 }
 
+static char
+	*ft_get_special(const char varname[],
+					t_msh *msh)
+{
+	char	*varval;
+
+	if (!ft_strncmp(varname, FT_RET_VAR, 3))
+	{
+		if (!(varval = ft_uitoa(msh->ret)))
+		{
+			ft_lcom_clear(&msh->curr);
+			ft_s_destroy(msh);
+			ft_fail_alloc(msh);
+		}
+		return (varval);
+	}
+	else if (!ft_strncmp(varname, FT_ZER_VAR, 3))
+	{
+		if (!(varval = ft_strdup(msh->shname)))
+		{
+			ft_lcom_clear(&msh->curr);
+			ft_s_destroy(msh);
+			ft_fail_alloc(msh);
+		}
+		return (varval);
+	}
+	return (NULL);
+}
+
 /*
 ** char *
 ** ft_subst_var_value(const char varname[], const t_msh *msh);
@@ -98,19 +128,18 @@ char
 						t_msh *msh)
 {
 	/* TODO: check behaviour on empty vars -> "QWE=" */
-	/* TODO: add support for special variables -> "$? $0..." */
 	/* TODO: add support for global variables -> "$hey $nigga..." */
 	char	*varval;
 	char	*rvarname;
 
 	varval = NULL;
-	rvarname = ft_set_rva(varname, msh);
-	if ((varval = ft_get_special()) != NULL)
+	if ((varval = ft_get_special(varname, msh)) != NULL)
 	{
 		return (varval);
 	}
 	else
 	{
+		rvarname = ft_set_rva(varname, msh);
 		varval = ft_get_frm_env(rvarname, msh);
 		return (varval);
 	}