Added Makefile; make & make clean both work

Makefile

@@ -0,0 +1,57 @@
+#!/usr/bin/make
+#
+
+# The toplevel directory of the source tree.
+SRCDIR = ./src
+
+# The directory into which object code files should be written.
+OBJDIR = ./obj
+
+# The directory into which executable file should be written.
+BINDIR = ./bin
+
+# C Compiler and options for use in building executable.
+CC = gcc -g -Os -Wall
+
+SRC = \
+	$(SRCDIR)/pit.c \
+	$(SRCDIR)/project.c \
+	$(SRCDIR)/table.c \
+	$(SRCDIR)/task.c
+
+OBJ = \
+	$(OBJDIR)/pit.o \
+	$(OBJDIR)/project.o \
+	$(OBJDIR)/table.o \
+	$(OBJDIR)/task.o
+
+APP = pit
+
+all: $(OBJDIR) $(APP)
+
+$(OBJDIR):
+	-mkdir $(OBJDIR)
+	-mkdir $(BINDIR)
+
+$(APP): $(OBJ)
+	$(CC) -o $(BINDIR)/$(APP) $(OBJ)
+
+$(OBJDIR)/pit.o: $(SRCDIR)/pit.c $(SRCDIR)/pit.h
+	$(CC) -o $(OBJDIR)/pit.o -c $(SRCDIR)/pit.c
+
+$(OBJDIR)/project.o: $(SRCDIR)/project.c $(SRCDIR)/project.h
+	$(CC) -o $(OBJDIR)/project.o -c $(SRCDIR)/project.c
+
+$(OBJDIR)/table.o: $(SRCDIR)/table.c $(SRCDIR)/table.h
+	$(CC) -o $(OBJDIR)/table.o -c $(SRCDIR)/table.c
+
+$(OBJDIR)/task.o: $(SRCDIR)/task.c $(SRCDIR)/task.h
+	$(CC) -o $(OBJDIR)/task.o -c $(SRCDIR)/task.c
+
+
+clean:
+	rm -f $(OBJDIR)/*.o
+	rm -f $(BINDIR)/$(APP)
+	rmdir $(OBJDIR)
+	rmdir $(BINDIR)
+

src/pit.c

@@ -0,0 +1,28 @@
+#include "pit.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+static int usage() {
+    printf("usage...\n");
+    return 1;
+}
+
+int main(int argc, char *argv[]) {
+    int i;
+    char *commands[] = { "project", "task", "note", "log" };
+
+    printf("argc: %d\n", argc);
+    for(i = 0;  i < argc;  i++) {
+        printf("argv[%d]: [%s]\n", i, argv[i]);
+    }
+
+    if (argc > 1) {
+        if (strstr(commands[0], argv[1]) == commands[0]) {
+            return pit_project(&argv[1]);
+        } else if (strstr(commands[1], argv[1]) == commands[1]) {
+            return pit_task(&argv[1]);
+        }
+    }
+    return usage();
+}

src/pit.h

@@ -0,0 +1,10 @@
+#if !defined(__PIT_H__)
+#define __PIT_H__
+
+typedef unsigned long ulong;
+typedef unsigned char uchar;
+
+int pit_project(char *argv[]);
+int pit_task(char *argv[]);
+
+#endif

src/project.c

@@ -0,0 +1,57 @@
+#include "pit.h"
+#include "project.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+int pit_project(char *argv[]) {
+    char **arg = &argv[1];
+    char *error = NULL;
+
+    if (!*arg) {
+        printf("list projects\n");
+    } else if (!strcmp(*arg, "-c")) {
+        if (!*++arg) {
+            error = "missing project name";
+        } else {
+            create_project(*arg, *(arg + 1));
+        }
+    } else if (!strcmp(*arg, "-d") || !strcmp(*arg, "-s")) {
+        if (!*++arg) {
+            error = "missing project number";
+        } else {
+            unsigned long number = atoi(*arg);
+            if (!number) {
+                error = "invalid project number";
+            } else {
+                if (!strcmp(*--arg, "-d")) {
+                    delete_project(number);
+                } else {
+                    show_project(number);
+                }
+            }
+        }
+    }
+
+    if (error) {
+        printf("%s\n", error);
+    }
+
+    return error == NULL;
+}
+
+static int create_project(char *name, char *status) {
+    printf("creating project [%s], status [%s]\n", name, status);
+    return 1;
+}
+
+static int show_project(unsigned long number) {
+    printf("showing project %lu\n", number);
+    return 1;
+}
+
+static int delete_project(unsigned long number) {
+    printf("deleting project %lu\n", number);
+    return 1;
+}
+

src/project.h

@@ -0,0 +1,8 @@
+#if !defined(__PROJECT_H__)
+#define __PROJECT_H__
+
+static int create_project(char *name, char *status);
+static int show_project(unsigned long number);
+static int delete_project(unsigned long number);
+
+#endif

src/table.c

@@ -1,11 +1,10 @@
+#include "pit.h"
+#include "table.h"
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <time.h>
 
-typedef unsigned long ulong;
-typedef unsigned char uchar;
-
 #define TABLE_INCREMENT       50
 #define TABLE_HAS_ID          1
 #define TABLE_HAS_CREATED_AT  2
@@ -211,6 +210,7 @@ PTable table_free(PTable pt) {
 }
 
 
+#if defined(TEST)
 int main() {
     PTable pt;
     typedef struct {
@@ -255,4 +255,5 @@ int main() {
     table_free(pt);
     printf("OK\n");
     return 0;
-}
+}
+#endif

src/table.h

@@ -0,0 +1,5 @@
+#if !defined(__TABLE_H__)
+#define __TABLE_H__
+
+
+#endif

src/task.c

@@ -0,0 +1,10 @@
+#include "pit.h"
+#include "task.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+int pit_task(char *argv[]) {
+    printf("pit_task\n");
+    return 1;
+}

src/task.h

@@ -0,0 +1,4 @@
+#if !defined(__TASK_H__)
+#define __TASK_H__
+
+#endif