Add autotest for fexist()

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

Makefile

@@ -50,10 +50,11 @@ TARGET      = $(STATICLIB) $(SOLIB)
 #include <rules.mk>
 include rules.mk
 
-test:
+test: clean
 	$(MAKE) -f chomp.mk
 	$(MAKE) -f copyfile.mk
 	$(MAKE) -f dir.mk
+	$(MAKE) -f fexist.mk
 	$(MAKE) -f fsendfile.mk
 	$(MAKE) -f makepath.mk
 	$(MAKE) -f pidfilefn.mk

fexist.c

@@ -44,8 +44,36 @@ int fexist(char *file)
 	return 1;
 }
 
+#ifdef UNITTEST
+#include "lite.h"
+
+int main(void)
+{
+	int i = 0;
+	struct { char *file; int exist; } arr[] = {
+		{ "/etc/passwd", 1 },
+		{ "/etc/kalle",  0 },
+		{ "/sbin/init",  1 },
+		{ "/dev/null",   1 },
+		{ NULL,  0 },
+	};
+	FILE *src, *dst;
+
+	for (i = 0; i < NELEMS(arr); i++) {
+		if (fexist(arr[i].file) != arr[i].exist)
+			err(1, "Failed fexist(%s)", arr[i].file ?: "NULL");
+		else
+			printf("File %-11s %-14s => OK!\n", arr[i].file ?: "NULL",
+			       arr[i].exist ? "does exist" : "does not exist");
+	}
+
+	return 0;
+}
+#endif /* UNITTEST */
+
 /**
  * Local Variables:
+ *  compile-command: "make V=1 -f fexist.mk"
  *  version-control: t
  *  indent-tabs-mode: t
  *  c-file-style: "linux"

fexist.mk

@@ -0,0 +1,4 @@
+OBJS        = 
+TARGET      = fexist.test clean
+
+include rules.mk