From: Scott Worley <scottworley@scottworley.com>
Date: Thu, 31 Aug 2023 19:11:01 +0000 (-0700)
Subject: A space for test & implementation to share code
X-Git-Tag: v1.0.0~17
X-Git-Url: http://git.scottworley.com/tl-append/commitdiff_plain/d522116b5fdc09e3f83fe4f88515dec52a3e0462?hp=d753115a12c9368e24546c04f992740799da0257

A space for test & implementation to share code
---

diff --git a/.gitignore b/.gitignore
index dad8cbc..60cafa8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+*.o
 tl-append
 tl.log
diff --git a/Makefile b/Makefile
index f5e1548..f4db060 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,11 @@ prefix = /usr/local
 bindir = $(prefix)/bin
 INSTALL = install
 
-tl-append:
+tl-append: common.o
+tl-append-test: common.o
 
+%.o: %.c
+	$(CC) -Wall -Wextra -pedantic -std=c99 -o $@ -c $^
 %: %.c
 	$(CC) -Wall -Wextra -pedantic -std=c99 -o $@ $^
 
@@ -18,4 +21,7 @@ install: tl-append
 
 .PHONY: clean
 clean:
-	-rm tl-append tl-append-test tl.log
+	-rm tl-append tl-append-test tl.log *.o
+
+tl-append.o: common.h
+tl-append-test.o: common.h
diff --git a/common.c b/common.c
new file mode 100644
index 0000000..ffa4b5a
--- /dev/null
+++ b/common.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+const char *FILENAME = "tl.log";
+
+void die(const char *message) {
+  fputs(message, stderr);
+  fputc('\n', stderr);
+  exit(1);
+}
+
+void die_err(const char *message) {
+  perror(message);
+  exit(1);
+}
diff --git a/common.h b/common.h
new file mode 100644
index 0000000..e442b2c
--- /dev/null
+++ b/common.h
@@ -0,0 +1,5 @@
+extern const char *FILENAME;
+
+void die(const char *message);
+
+void die_err(const char *message);
diff --git a/tl-append-test.c b/tl-append-test.c
index ea42dc9..6d037cb 100644
--- a/tl-append-test.c
+++ b/tl-append-test.c
@@ -5,6 +5,8 @@
 #include <string.h>
 #include <time.h>
 
+#include "common.h"
+
 typedef struct expectation {
   time_t a, b;
   const char *message;
@@ -22,19 +24,8 @@ static ex_t expectation(time_t a, time_t b, const char *message) {
   return exp;
 }
 
-static void die(const char *message) {
-  fputs(message, stderr);
-  fputc('\n', stderr);
-  exit(1);
-}
-
-static void die_err(const char *message) {
-  perror(message);
-  exit(1);
-}
-
 static void remove_logfile() {
-  if (remove("tl.log") != 0) {
+  if (remove(FILENAME) != 0) {
     if (errno != ENOENT) {
       die_err("Error removing log file");
     }
@@ -59,7 +50,7 @@ static ex_t write_to_tl_append(const char *content) {
 
 static void verify_log_contents(ex_t exps[]) {
 
-  FILE *f = fopen("tl.log", "r");
+  FILE *f = fopen(FILENAME, "r");
   if (f == NULL)
     die_err("Error opening log file");
   for (size_t i = 0; !is_end(exps[i]); i++) {
diff --git a/tl-append.c b/tl-append.c
index 21e23a6..c2f476f 100644
--- a/tl-append.c
+++ b/tl-append.c
@@ -1,19 +1,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-const char *FILENAME = "tl.log";
-const size_t BUF_SIZE = 1024;
-
-static void die(const char *message) {
-  fputs(message, stderr);
-  fputc('\n', stderr);
-  exit(1);
-}
+#include "common.h"
 
-static void die_err(const char *message) {
-  perror(message);
-  exit(1);
-}
+const size_t BUF_SIZE = 1024;
 
 static void read_line(char *buf) {
   if (fgets(buf, BUF_SIZE, stdin) == NULL) {