Added env_export and env_keycmp

3 files changed, 49 insertions, 9 deletions

diff --git a/src/env.c b/src/env.c
index 2557e35..9e7aed5 100644
--- a/src/env.c
+++ b/src/env.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/02/28 09:21:24 by cacharle          #+#    #+#             */
-/*   Updated: 2020/06/12 10:51:10 by charles          ###   ########.fr       */
+/*   Updated: 2020/06/17 12:50:26 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -43,6 +43,18 @@ t_env	env_from_array(char **envp)
 	return (ft_vecpush(env, NULL));
 }
 
+int		env_keycmp(char *var, char *key)
+{
+	size_t	key_len;
+
+	key_len = ft_strlen(key);
+	if (ft_strncmp(var, key, key_len) == 0
+		&& ft_strlen(var) > key_len
+		&& var[key_len] == '=')
+		return (0);
+	return (1);
+}
+
 /**
 ** \brief      Search a key in environment
 ** \param env  Search environment
@@ -50,16 +62,15 @@ t_env	env_from_array(char **envp)
 ** \return     Value after '=' in environment variable array or NULL if not found
 */
 
-// could be a wrapper around ft_lfind
 char	*env_search(t_env env, char *key)
 {
 	size_t	i;
 
 	i = 0;
-	while (i < env->size)
+	while (i < env->size - 1)
 	{
-		if (ft_strncmp((char*)env->data[i], key, ft_strlen(key)) == 0)
-			return (ft_strchr((char*)env->data[i], '=') + 1);
+		if (env_keycmp(env->data[i], key))
+			return (ft_strchr(env->data[i], '=') + 1);
 		i++;
 	}
 	return (NULL);
@@ -89,3 +100,32 @@ char	*env_search_first_match(t_env env, const char *haystack)
 	}
 	return (NULL);
 }
+
+char	*env_export(t_env env, char *key, char *value)
+{
+	char	*joined;
+	size_t	i;
+
+	if ((joined = ft_strjoin3(key, "=", value)) == NULL)
+		return (NULL);
+	if (env_search(env, key) == NULL)
+	{
+		if (ft_vecinsert(env, env->size - 1, joined) == NULL)
+			return (NULL);
+	}
+	else
+	{
+		i = 0;
+		while (i < env->size - 1)
+		{
+			if (env_keycmp(env->data[i], key) == 0)
+			{
+				free(env->data[i]);
+				env->data[i] = joined;
+				break;
+			}
+			i++;
+		}
+	}
+	return (joined);
+}
diff --git a/src/main.c b/src/main.c
index 1dee5b1..dfceb09 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/02/28 11:45:44 by cacharle          #+#    #+#             */
-/*   Updated: 2020/06/16 14:49:59 by charles          ###   ########.fr       */
+/*   Updated: 2020/06/17 12:46:04 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -43,7 +43,7 @@ int main(int argc, char **argv, char **envp)
 		//printf("%s\n", argv[2]);
 		t_ftlst *lex_out = lexer(ft_strdup(argv[2]));
 
-		 //ft_lstiter(lex_out, token_debug);
+		 /* ft_lstiter(lex_out, token_debug); */
 
 		 t_ret *parser_out = parse(lex_out);
 
diff --git a/src/utils.c b/src/utils.c
index 3449c25..e798eab 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/02/28 11:56:31 by cacharle          #+#    #+#             */
-/*   Updated: 2020/06/09 15:49:39 by charles          ###   ########.fr       */
+/*   Updated: 2020/06/16 16:17:57 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -26,7 +26,7 @@ int		utils_directory_iter(
 	DIR				*dir;
 	struct dirent	*entry;
 
-	if ((dir = opendir(dirname)) == NULL)
+	if ((dir = opendir(dirname)) == NULL)  // add fail safe
 		return (-1);
 	while ((entry = readdir(dir)) != NULL)
 		if (f(dirname, entry, param) == -1)