More reliable buffer overflow in make check.

Makefile.am

@@ -2,12 +2,12 @@ AUTOMAKE_OPTIONS = foreign
 ACLOCAL_AMFLAGS = ${ACLOCAL_FLAGS}
 #SUBDIRS = tests
 if WITH_GTK
-bin_PROGRAMS = ansvif find_suid buffer_overflow string_format ansvif_gtk
+bin_PROGRAMS = ansvif find_suid generic_buffer_overflow string_format ansvif_gtk
 endif
 if WITH_SYSCALLS
-bin_PROGRAMS = ansvif find_suid buffer_overflow string_format syscalls
+bin_PROGRAMS = ansvif find_suid generic_buffer_overflow string_format syscalls
 else
-bin_PROGRAMS = ansvif find_suid buffer_overflow string_format
+bin_PROGRAMS = ansvif find_suid generic_buffer_overflow string_format
 endif
 noinst_LIBRARIES = libgzstream.a
 libgzstream_a_SOURCES = include/gzstream/gzstream.h include/gzstream/gzstream.C
@@ -32,10 +32,11 @@ ansvif_LDFLAGS = -I./include/gzstream -I./include/xml_writer -I./src/linux -pthr
 ansvif_CPPFLAGS = -O3 -D __DEBIAN -Wl,--no-as-needed -std=c++11
 endif
 find_suid_SOURCES = src/linux/find_suid.cpp
-buffer_overflow_SOURCES = src/buffer_overflow.c
-buffer_overflow_CFLAGS = -ansi -fno-stack-protector -D_GNU_SOURCE -Wno-implicit-function-declarationw
+#buffer_overflow_SOURCES = src/buffer_overflow.c
+#buffer_overflow_CFLAGS = -ansi -fno-stack-protector -D_GNU_SOURCE -Wno-implicit-function-declarationw
 string_format_SOURCES = src/string_format.c
 string_format_CFLAGS = -ansi -D_GNU_SOURCE -Wno-format-security
+generic_buffer_overflow_SOURCES = src/generic_buffer_overflow.c
 if WITH_SYSCALLS
 syscalls_SOURCES = src/linux/syscalls.cpp
 syscalls_CPPFLAGS = -ansi -Wno-unused-result -Wno-nonnull -std=c++11
@@ -47,9 +48,9 @@ ansvif_gtk_CPPFLAGS = @GTK_CFLAGS@ -fpermissive
 endif
 ansvifdir = bin
 check: all
-	./ansvif -t examples/space.txt -c ./buffer_overflow -b 32 -o checkfaulty && rm checkfaulty.*
+	./ansvif -t examples/space.txt -c ./generic_buffer_overflow -b 32 -o checkfaulty && rm checkfaulty.*
 	@echo "*** CHECK 1 PASSED ***"
-	./ansvif -t examples/space.txt -c ./buffer_overflow -b 32
+	./ansvif -t examples/space.txt -c ./generic_buffer_overflow -b 32
 	@echo "*** CHECK 2 PASSED ***"
 	./ansvif -t examples/space.txt -c ./string_format -b 32
 	@echo "*** CHECK 3 PASSED ***"