reader: read and parse a BMP headers

we retrieve valuable information such as the data offset, the width and
the height of the picture which path is passed as parameter.

Signed-off-by: Olivier Gayot <duskcoder@gmail.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..5724b71
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,46 @@
+## Copyright (C) 2014 Olivier Gayot <duskcoder@gmail.com>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License along
+## with this program; if not, write to the Free Software Foundation, Inc.,
+## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+CC       ?= gcc
+CFLAGS   += -W -Wall -std=gnu99 -Wextra
+CFLAGS   += -D _XOPEN_SOURCE -D _DEFAULT_SOURCE
+NAME      = stegmp
+SRC       = stegmp.c
+
+all: depend $(NAME)
+
+depend: .depend
+
+.depend: $(SRC)
+	@$(RM) .depend
+	@$(CC) $(CFLAGS) -MM $^ > .depend
+
+include .depend
+
+OBJ     = $(SRC:.c=.o)
+
+$(NAME): $(OBJ)
+	$(CC) -o $@ $^ $(LDFLAGS)
+
+clean:
+	$(RM) $(OBJ)
+
+fclean: clean
+	$(RM) $(NAME)
+
+re: fclean all
+
+.PHONY: all depend clean fclean all re