Add IO to OpenEducation methodology

Signed-off-by: Mihnea Firoiu <[email protected]>

Author: Mihnea0Firoiu

content/chapters/io/lecture/.gitignore chapters/io/.gitignore

@@ -0,0 +1,33 @@
+RVMD = reveal-md
+MDPP = markdown-pp
+FFMPEG = ffmpeg
+
+SLIDES ?= slides.mdpp
+SLIDES_OUT ?= slides.md
+MEDIA_DIR ?= media
+SITE ?= _site
+OPEN ?= xdg-open
+
+.PHONY: all html clean videos
+
+all: videos html
+
+html: $(SITE)
+
+$(SITE): $(SLIDES)
+	$(MDPP) $< -o $(SLIDES_OUT)
+	$(RVMD) $(SLIDES_OUT) --static $@
+
+videos:
+	for TARGET in $(TARGETS); do \
+		$(FFMPEG) -framerate 0.5 -f image2 -y \
+			-i "$(MEDIA_DIR)/$$TARGET/$$TARGET-%d.svg" -vf format=yuv420p $(MEDIA_DIR)/$$TARGET-generated.gif; \
+	done
+
+open: $(SITE)
+	$(OPEN) $</index.html
+
+clean:
+	-rm -f $(MEDIA_DIR)/*-generated.gif
+	-rm -f *~
+	-rm -fr $(SITE) $(SLIDES_OUT)

chapters/io/Makefile

@@ -1,6 +1,4 @@
-/*
- * SPDX-License-Identifier: BSD-3-Clause
- */
+// SPDX-License-Identifier: BSD-3-Clause
 
 #include <stdio.h>
 #include <stdlib.h>

content/chapters/io/.gitignore chapters/io/arena/drills/tasks/buffering/README.md

@@ -1,6 +1,4 @@
-/*
- * SPDX-License-Identifier: BSD-3-Clause
- */
+// SPDX-License-Identifier: BSD-3-Clause
 
 #include <stdio.h>
 #include <stdlib.h>

content/chapters/io/lab/support/buffering/.gitignore chapters/io/arena/drills/tasks/buffering/support/.gitignore

@@ -1,6 +1,4 @@
-/*
- * SPDX-License-Identifier: BSD-3-Clause
- */
+// SPDX-License-Identifier: BSD-3-Clause
 
 #include <stdio.h>
 #include <stdlib.h>

content/chapters/io/lab/support/buffering/Makefile chapters/io/arena/drills/tasks/buffering/support/Makefile

@@ -1,12 +1,12 @@
-/* SPDX-License-Identifier: BSD-3-Clause */
+// SPDX-License-Identifier: BSD-3-Clause
 
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 
 #include "utils/utils.h"
 
-static const char fifo_path[] = "../../support/receive-challenges/apollodorus";
+static const char fifo_path[] = "apollodorus";
 
 #ifndef BUFSIZ
 #define BUFSIZ		256
@@ -24,18 +24,17 @@ int main(void)
 	 */
 	rc = access(fifo_path, R_OK | W_OK);
 	if (rc < 0) {
-		remove(fifo_path);
-		rc = mkfifo(fifo_path, 0755);
-		DIE(rc < 0, "mkfifo");
+		/**
+		 * TODO: `access()` has returned an error, so you need to create
+		 * the FIFO yourself.
+		 */
 	}
 
-	/* Open FIFO. */
-	fd = open(fifo_path, O_RDONLY);
-	DIE(fd < 0, "open");
+	/* TODO: Open FIFO for reading. */
+
+
+	/* TODO: Read flag from FIFO. */
 
-	/* Read flag from FIFO. */
-	rc = read(fd, buffer, BUFSIZ);
-	DIE(rc < 0, "read");
 
 	printf("Flag is: %s\n", buffer);