Added builtin support in command eval, Refactoring eval/builtin function, Added doc

1 files changed, 61 insertions, 0 deletions

diff --git a/src/builtin/builtin.c b/src/builtin/builtin.c
new file mode 100644
index 0000000..4889f9c
--- /dev/null
+++ b/src/builtin/builtin.c
@@ -0,0 +1,61 @@
+/**
+** \file      builtin.c
+** \brief     Builtin functions
+*/
+
+#include "minishell.h"
+
+/**
+** \brief      Array storing builtin executable name and associated functions
+*/
+
+static struct s_builtin_entry g_builtin_lookup[] = {
+	{"echo", builtin_echo},
+	{"cd", builtin_cd},
+	{"pwd", builtin_pwd},
+	{"export", builtin_export},
+	{"unset", builtin_unset},
+	{"env", builtin_env},
+	{"exit", builtin_exit},
+};
+
+/**
+** \brief       Call builtin function associated with command name
+** \param argv  Arguments to the builtin 'main', with argv[0] being the executable name
+** \param env   Environment Vector
+** \return      Builtin main return status
+*/
+
+int		builtin_dispatch_run(char **argv, t_env env)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < sizeof(g_builtin_lookup) / sizeof(struct s_builtin_entry))
+	{
+		if (ft_strcmp(g_builtin_lookup[i].name, argv[0]) == 0)
+			return (g_builtin_lookup[i].func(argv, env));
+		i++;
+	}
+	return (BUILTIN_NOT_FOUND);
+}
+
+/**
+** \brief            Check if executable name is a builtin
+** \param exec_name  Executable name
+** \return           True if executable name is a builtin
+*/
+
+bool		builtin_check_exec_name(char *exec_name)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < sizeof(g_builtin_lookup) / sizeof(struct s_builtin_entry))
+	{
+		if (ft_strcmp(g_builtin_lookup[i].name, exec_name) == 0)
+			return (true);
+		i++;
+	}
+	return (false);
+}