Move tons of stuff into oldstuff/

oldstuff/lcthw-remnants-2/ex29/.gitignore

@@ -0,0 +1 @@
+tests/your_library_tests

oldstuff/lcthw-remnants-2/ex29/Makefile

@@ -0,0 +1,59 @@
+CFLAGS = -g -O2 -Wall -Wextra -Isrc -Lbuild -rdynamic -DNDEBUG $(OPTFLAGS)
+LDLIBS = -ldl $(OPTLIBS)
+
+PREFIX ?= /usr/local
+
+SOURCES = $(wildcard src/**/*.c src/*.c)
+OBJECTS = $(patsubst %.c,%.o,$(SOURCES))
+
+TEST_SRC = $(wildcard tests/*_tests.c)
+TESTS = $(patsubst %.c,%,$(TEST_SRC))
+
+LIBNAME = ex29
+TARGET = build/lib$(LIBNAME).a
+SO_TARGET = $(patsubst %.a,%.so,$(TARGET))
+
+# The Target Build
+all: $(TARGET) $(SO_TARGET) tests
+
+dev: CFLAGS = -g -Wall -Isrc -Wall -Wextra $(OPTFLAGS)
+dev: all
+
+$(TARGET): CFLAGS += -fPIC
+$(TARGET): build $(OBJECTS)
+	$(AR) rcs $@ $(OBJECTS)
+	ranlib $@
+
+$(SO_TARGET): $(TARGET) $(OBJECTS)
+	$(CC) -shared -o $@ $(OBJECTS)
+
+build:
+	@mkdir -p build
+	@mkdir -p bin
+
+# The Unit Tests
+.PHONY: tests
+tests: LDLIBS += -l$(LIBNAME)
+tests: $(TESTS)
+	sh ./tests/runtests.sh
+
+valgrind:
+	VALGRIND="valgrind --log-file=/tmp/valgrind-%p.log" $(MAKE)
+
+# The Cleaner
+clean:
+	rm -rf build $(OBJECTS) $(TESTS)
+	rm -f tests/tests.log
+	find . -name "*.gc*" -exec rm {} \;
+	rm -rf `find . -name "*.dSYM" -print`
+
+# The Install
+install: all
+	install -d $(DESTDIR)/$(PREFIX)/lib/
+	install $(TARGET) $(DESTDIR)/$(PREFIX)/lib/
+
+# The Checker
+BADFUNCS='[^_.>a-zA-Z0-9](str(n?cpy|n?cat|xfrm|n?dup|str|pbrk|tok|_)|stpn?cpy|a?sn?printf|byte_)'
+check:
+	@echo Files with potentially dangerous functions
+	@egrep $(BADFUNCS) $(SOURCES) || true

oldstuff/lcthw-remnants-2/ex29/src/dbg.h

@@ -0,0 +1,30 @@
+#ifndef __dbg_h__
+#define __dbg_h__
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#ifdef NDEBUG
+#define debug(M, ...)
+#else
+#define debug(M, ...) fprintf(stderr, "DEBUG %s:%d:%s: " M "\n", __FILE__, __LINE__, __func__, ##__VA_ARGS__)
+#endif
+
+#define clean_errno() (errno == 0 ? "None" : strerror(errno))
+
+#define log_err(M, ...) fprintf(stderr, "[ERROR] (%s:%d:%s: errno: %s) " M "\n", __FILE__, __LINE__, __func__, clean_errno(), ##__VA_ARGS__)
+
+#define log_warn(M, ...) fprintf(stderr, "[WARN] (%s:%d:%s: errno: %s) " M "\n", __FILE__, __LINE__, __func__, clean_errno(), ##__VA_ARGS__)
+
+#define log_info(M, ...) fprintf(stderr, "[INFO] (%s:%d:%s) " M "\n", __FILE__, __LINE__, __func__, ##__VA_ARGS__)
+
+#define check(A, M, ...) if(!(A)) { log_err(M, ##__VA_ARGS__); errno=0; goto error; }
+
+#define sentinel(M, ...) { log_err(M, ##__VA_ARGS__); errno=0; goto error; }
+
+#define check_mem(A) check((A), "Out of memory.")
+
+#define check_debug(A, M, ...) if(!(A)) { debug(M, ##__VA_ARGS__); errno=0; goto error; }
+
+#endif

oldstuff/lcthw-remnants-2/ex29/src/ex29.c

@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <ctype.h>
+#include "dbg.h"
+
+
+int print_a_message(const char *msg)
+{
+  printf("A STRING: %s\n", msg);
+
+  return 0;
+}
+
+
+int uppercase(const char *msg, int count)
+{
+  int i = 0;
+
+  for(i = 0; i < count; i++) {
+    printf("%c", toupper(msg[i]));
+  }
+
+  printf("\n");
+
+  return 0;
+}
+
+int lowercase(const char *msg, int count)
+{
+  int i = 0;
+
+  for(i = 0; i < count; i++) {
+    printf("%c", tolower(msg[i]));
+  }
+
+  printf("\n");
+
+  return 0;
+}
+
+int fail_on_purpose(const char *msg)
+{
+  return 1;
+}

oldstuff/lcthw-remnants-2/ex29/tests/ex29_tests.c

@@ -0,0 +1,65 @@
+#include "minunit.h"
+#include <dlfcn.h>
+
+typedef int (*lib_function)(const char *data, int count);
+char *lib_file = "build/libex29.so";
+void *lib = NULL;
+
+int check_function(const char *func_to_run, const char *data, int expected)
+{
+  lib_function func = dlsym(lib, func_to_run);
+  check(func != NULL, "Did not find %s function in the library %s: %s", func_to_run, lib_file, dlerror());
+
+  int rc = func(data, (int)strlen(data));
+  check(rc == expected, "Function %s return %d for data: %s", func_to_run, rc, data);
+
+  return 1;
+error:
+  return 0;
+}
+
+char *test_dlopen()
+{
+  lib = dlopen(lib_file, RTLD_NOW);
+  mu_assert(lib != NULL, "Failed to open the library to test.");
+
+  return NULL;
+}
+
+char *test_functions()
+{
+  mu_assert(check_function("print_a_message", "Hello", 0), "print_a_message failed.");
+  mu_assert(check_function("uppercase", "Hello", 0), "uppercase failed.");
+  mu_assert(check_function("lowercase", "Hello", 0), "lowercase failed.");
+
+  return NULL;
+}
+
+char *test_failures()
+{
+  mu_assert(check_function("fail_on_purpose", "Hello", 1), "fail_on_purpose should fail.");
+
+  return NULL;
+}
+
+char *test_dlclose()
+{
+  int rc = dlclose(lib);
+  mu_assert(rc == 0, "Failed to close lib.");
+
+  return NULL;
+}
+
+char *all_tests()
+{
+  mu_suite_start();
+
+  mu_run_test(test_dlopen);
+  mu_run_test(test_functions);
+  mu_run_test(test_failures);
+  mu_run_test(test_dlclose);
+
+  return NULL;
+}
+
+RUN_TESTS(all_tests);

oldstuff/lcthw-remnants-2/ex29/tests/minunit.h

@@ -0,0 +1,38 @@
+#undef DNDEBUG
+#ifndef _minunit_h
+#define _minunit_h
+
+#include <stdio.h>
+#include <dbg.h>
+#include <stdlib.h>
+
+#define mu_suite_start() char *message = NULL
+
+#define mu_assert(test, message) if (!(test)) {\
+    log_err(message); return message;\
+  }\
+  assertions_made++;
+#define mu_run_test(test) debug("\n-----%s", " " #test); \
+  message = test(); tests_run++; if (message) return message;
+
+#define RUN_TESTS(name) int main(int argc, char *argv[]) {\
+  argc = argc; \
+  argv = argv; \
+  debug("----- RUNNING: %s", argv[0]);\
+  printf("----\nRUNNING: %s\n", argv[0]);\
+  char *result = name();\
+  if (result != 0) {\
+    printf("FAILED: %s\n", result);\
+  }\
+  else {\
+    printf("ALL TESTS PASSED\n");\
+  }\
+  printf("Tests run: %d\n", tests_run);\
+  printf("Assertions made: %d\n", assertions_made);\
+  exit(result != 0);\
+}
+
+int tests_run;
+int assertions_made;
+
+#endif

oldstuff/lcthw-remnants-2/ex29/tests/runtests.sh

@@ -0,0 +1,19 @@
+echo "Running unit tests:"
+
+for i in tests/*_tests
+do
+  if test -f $i
+  then
+    if $VALGRIND ./$i 2>> tests/tests.log
+    then
+      echo $i PASS
+    else
+      echo "ERROR in test $i: here's tests/tests.log"
+      echo "------"
+      tail tests/tests.log
+      exit 1
+    fi
+  fi
+done
+
+echo ""