Initial commit

5 files changed, 130 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2b90f99
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+tar
+a.out
+*.o
+*.tar
+*.gz
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..78da46f
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,44 @@
+RM = rm -f
+
+INCDIR = inc
+SRCDIR = src
+OBJDIR = obj
+OBJDIRS = $(shell find $(SRCDIR) -type d | sed 's/src/$(OBJDIR)/')
+
+INC = $(shell find $(INCLUDEDIR) -name "*.h")
+SRC = $(shell find $(SRCDIR) -name "*.c")
+OBJ = $(SRC:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
+
+CC = gcc
+CCFLAGS = -g -I$(INCDIR) --std=c99 -Wall -Wextra -Wpedantic #-Werror
+LDFLAGS = -L$(LIBFTDIR) -lft
+
+NAME = tar
+
+all: prebuild $(NAME)
+
+prebuild:
+	@echo "Making dir $$subdir"; mkdir -p $(OBJDIR)
+	@for subdir in $(OBJDIRS); do echo "Making dir $$subdir"; mkdir -p $$subdir; done
+
+$(NAME): $(OBJ)
+	@echo "Linking: $@"
+	@$(CC) -o $@ $(OBJ) $(LDFLAGS)
+
+$(OBJDIR)/%.o: $(SRCDIR)/%.c $(INC)
+	@echo "Compiling: $@"
+	@$(CC) $(CCFLAGS) -c -o $@ $<
+
+clean:
+	@echo "Removing objects"
+	@$(RM) -r $(OBJDIR)
+
+fclean:
+	@echo "Removing objects"
+	@$(RM) -r $(OBJDIR)
+	@echo "Removing exectable"
+	@$(RM) $(NAME)
+
+re: fclean all
+
+.PHONY: all prebuild clean fclean re
diff --git a/inc/tar.h b/inc/tar.h
new file mode 100644
index 0000000..29bea4b
--- /dev/null
+++ b/inc/tar.h
@@ -0,0 +1,26 @@
+#ifndef TAR_H
+# define TAR_H
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <stdbool.h>
+# include <unistd.h>
+# include <getopt.h>
+# include <fcntl.h>
+
+// https://en.wikipedia.org/wiki/Tar_(computing)?oldformat=true#Header
+typedef struct
+{
+	char	file_name[100];
+	char	file_mode[8];
+	char	user_id[8];
+	char	group_id[8];
+	char	file_size[12];
+	char	last_time[12];
+	char	checksum[8];
+	char	link_indicator[1];
+	char	link_file_name[100];
+}			t_header;
+
+
+#endif // TAR_H
diff --git a/src/header.c b/src/header.c
new file mode 100644
index 0000000..a0cf2fb
--- /dev/null
+++ b/src/header.c
@@ -0,0 +1,3 @@
+#include "tar.h"
+
+/* int	header_write(int fd,  */
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..d6df9d7
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,52 @@
+#include "tar.h"
+
+int main(int argc, char **argv)
+{
+	int		opt;
+	char	*output_file_name = NULL;
+
+	while ((opt = getopt(argc, argv, "cvtf:")) != -1)
+	{
+		switch (opt)
+		{
+			case 'c':
+				break;
+			case 'f':
+				output_file_name = optarg;
+				break;
+			case 'v':
+				break;
+			case 't':
+				break;
+			default:
+				return 1;
+		}
+	}
+	int fd = -1;
+	if (output_file_name == NULL)
+		fd = STDOUT_FILENO;
+	else
+	{
+		fd = open(output_file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+		if (fd == -1)
+		{
+			perror(NULL);
+			return 1;
+		}
+	}
+
+	// pipe to fd
+	printf("out: %s\n", output_file_name);
+	char	**files = argv + optind;
+	for (; *files != NULL; files++)
+	{
+		// stat file
+		// write header to pipe
+		// if dir
+		//     recursion on files in dir
+		// else
+		//     write content to pipe
+		printf("%s\n", *files);
+	}
+	return 0;
+}