Added doc

1 files changed, 69 insertions, 0 deletions

diff --git a/src/eval/val.c b/src/eval/val.c
new file mode 100644
index 0000000..3293972
--- /dev/null
+++ b/src/eval/val.c
@@ -0,0 +1,69 @@
+/**
+** \file   val.c
+** \brief  Evaluation value manipulation
+*/
+
+#include "ms_evalue.h"
+
+/**
+** \brief       Allocate memory for a t_value and set his type
+** \param type  Type of valueue
+** \return      The allocated value
+*/
+
+t_value	*value_new(t_value_type type)
+{
+	t_value	*value;
+
+	if ((value = (t_value*)malloc(sizeof(t_value*))) == NULL)
+		return (NULL);
+	value->type = type;
+	return (value);
+}
+
+/**
+** \brief           Create a new redirection value from a filename
+** \param type      Type of redirection and value
+** \param filename  Name of the file to open
+** \return          Redirection value
+** \warning         Undefined behavior on none redirection type.
+*/
+
+t_value	*value_new_redir(t_value_type type, char *filename)
+{
+	t_value	*value;
+
+	if ((value = value_new(type)) == NULL)
+		return (NULL);
+	if (type == VAL_REDIR_IN)
+		value->data.fd = open(filename, O_RDONLY);
+	else if (type == VAL_REDIR_OUT)
+		value->data.fd = open(filename, O_WRONLY | O_CREAT);
+	else if (type == VAL_REDIR_APPEND)
+		value->data.fd = open(filename, O_APPEND | O_CREAT);
+	if (value->data.fd < 0)
+	{
+		free(value);
+		return (NULL);
+	}
+	return (value);
+}
+
+/**
+** \brief           Create a new string value (i.e error, arg, cmd)
+** \param type      String value type
+** \param str       String data
+** \return          String value
+*/
+
+t_value	*value_new_string(t_value_type type, char *str)
+{
+	t_value *value;
+
+	if ((value == malloc(sizeof(t_value))) == NULL)
+		return (NULL);
+	value->type = type;
+	if ((value->data.str = ft_strdup(str)) == NULL)
+		return (NULL);
+	return (value);
+}