working on "duff" example led me to futzing with gdb, found out the gdb tutorial is kinda (a lot) outdated

gdbtut/Makefile

@@ -0,0 +1,14 @@
+# tutorial exercises from http://www.unknownroad.com/rtfm/gdbtut/
+
+BINDIR := $(PWD)/bin
+export BINDIR
+
+
+all:
+	$(CD) src && $(MAKE)
+
+clean:
+	$(RM) $(BINDIR)/*
+
+
+.PHONY: all clean

gdbtut/src/Makefile

@@ -0,0 +1,12 @@
+# tutorial exercises from http://www.unknownroad.com/rtfm/gdbtut/
+
+ALL_BIN := $(patsubst %.c,$(BINDIR)/%,$(wildcard *.c))
+
+
+$(BINDIR)/%: %.c
+	$(CC) $(CFLAGS) -o $@ $<
+
+all: $(ALL_BIN)
+
+
+.PHONY: all

gdbtut/src/segfault.c

@@ -0,0 +1,28 @@
+/**
+ * :author: Dan Buch (daniel.buch@gmail.com)
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv)
+{
+    char *buf;
+    long long huge = 8000000000000000000;
+    /* Okay, so this is *not* going to segfault because
+     * the way memory is allocated has changed since
+     * the tutorial was written.  The segfault is supposed
+     * to happen when more memory is allocated than is
+     * available on the machine.  So much for that exercise.
+     */
+
+    buf = malloc(huge);
+
+    fgets(buf, 1024, stdin);
+    printf("%s\n", buf);
+
+    return 1;
+}
+
+/* vim:filetype=c:fileencoding=utf-8
+ */