Histfile is BAV

1 files changed, 46 insertions, 3 deletions

diff --git a/src/m_loop.c b/src/m_loop.c
index c25188e..a5e2723 100644
--- a/src/m_loop.c
+++ b/src/m_loop.c
@@ -13,6 +13,7 @@
 #include <libft.h>
 #include <stdint.h>
 #include <stdlib.h>
+#include <fcntl.h>
 #include <unistd.h>
 
 #include "e_line.h"
@@ -20,9 +21,10 @@
 #include "m_prompt.h"
 #include "p_line.h"
 #include "s_line.h"
+#include "u_vars.h"
 
 static void
-	m_parse_and_run_line(char *line, t_msh *msh)
+	m_parse_and_run_line(char line[], t_msh *msh)
 {
 	p_line(line, msh);
 	ft_memdel((void*)&line);
@@ -30,11 +32,48 @@ static void
 	s_line_clear(&msh->curr);
 }
 
+void
+	m_dump_hist(t_msh *msh)
+{
+	int32_t	fd;
+	char	*histfile_path;
+
+	if (ft_strlen(msh->hist) > 0 &&
+		(histfile_path = u_get_var_value("$HISTFILE", msh)) != NULL)
+	{
+		if ((fd = open(histfile_path,
+			O_WRONLY | O_CREAT | O_APPEND, 0644)) != -1)
+		{
+			write(fd, msh->hist, ft_strlen(msh->hist));
+			close(fd);
+		}
+		ft_memdel((void*)&histfile_path);
+	}
+}
+
+static void
+	m_handle_hist(char line[], t_msh *msh)
+{
+	static uint16_t	hist_i = 0;
+
+	if (hist_i == 0)
+		msh->hist[0] = '\0';
+	ft_strlcpy(msh->hist + ft_strlen(msh->hist), line, 4096);
+	msh->hist[ft_strlen(msh->hist) + 1] = '\0';
+	msh->hist[ft_strlen(msh->hist)] = '\n';
+	hist_i += 1;
+	if (hist_i == 255)
+	{
+		m_dump_hist(msh);
+		hist_i = 0;
+	}
+}
+
 uint8_t
 	m_loop(int32_t fd, t_msh *msh)
 {
-	char	*line;
-	int8_t	gnl;
+	char			*line;
+	int8_t			gnl;
 
 	msh->fd = fd;
 	gnl = 1;
@@ -47,6 +86,8 @@ uint8_t
 		{
 			line = m_check_multi_backslash(fd, line, msh);
 			line = m_check_multi_pipe(fd, line, msh);
+			if (fd == STDIN_FILENO)
+				m_handle_hist(line, msh);
 			m_parse_and_run_line(line, msh);
 			/* TODO: (null): Bad address on "msh ~> echo a > asd; cat < asd" but not on "msh ~> echo a > asd; cat asd" */
 			/* TODO: "msh ~> some command \": re GNL into ft_nrealloc */
@@ -57,5 +98,7 @@ uint8_t
 			ft_memdel((void*)&line);
 		}
 	}
+	if (fd == STDIN_FILENO)
+		m_dump_hist(msh);
 	return (msh->ret);
 }