6 files changed, 145 insertions, 11 deletions
diff --git a/src/logerr.c b/src/logerr.c
new file mode 100644
index 0000000..029ed7f
--- /dev/null
+++ b/src/logerr.c
@@ -0,0 +1,67 @@
+#include "config.h"
+#include "logerr.h"
+
+#include <stdio.h>
+
+
+void
+logerr_file(
+	const char *const s,
+	const char *const msg,
+	const char *const file,
+	const int lineno
+) {
+	fprintf(
+		stderr,
+		"%s:%s:%d: %s: %s\n",
+		PROGNAME,
+		file,
+		lineno,
+		s,
+		msg
+	);
+}
+
+void
+logerrs_file(
+	const char *const pre,
+	const char *const mid,
+	const char *const post,
+	const char *const msg,
+	const char *const file,
+	const int lineno
+) {
+	fprintf(
+		stderr,
+		"%s:%s:%d: %s%s%s: %s\n",
+		PROGNAME,
+		file,
+		lineno,
+		pre,
+		mid,
+		post,
+		msg
+	);
+}
+
+void
+logerrl_file(
+	const char *const pre,
+	const size_t mid,
+	const char *const post,
+	const char *const msg,
+	const char *const file,
+	int lineno
+) {
+	fprintf(
+		stderr,
+		"%s:%s:%d: %s%ld%s: %s\n",
+		PROGNAME,
+		file,
+		lineno,
+		pre,
+		mid,
+		post,
+		msg
+	);
+}
diff --git a/src/logerr.h b/src/logerr.h
new file mode 100644
index 0000000..47228ab
--- /dev/null
+++ b/src/logerr.h
@@ -0,0 +1,34 @@
+#ifndef GISTATIC_LOGERR_H
+#define GISTATIC_LOGERR_H
+
+#include <stddef.h>
+
+void
+logerr_file(
+	const char *const s,
+	const char *const msg,
+	const char *const file,
+	const int lineno
+);
+
+void
+logerrs_file(
+	const char *const pre,
+	const char *const mid,
+	const char *const post,
+	const char *const msg,
+	const char *const file,
+	const int lineno
+);
+
+void
+logerrl_file(
+	const char *const pre,
+	const size_t mid,
+	const char *const post,
+	const char *const msg,
+	const char *const file,
+	const int lineno
+);
+
+#endif
diff --git a/src/remembering.c b/src/remembering.c
index 108d246..b35f798 100644
--- a/src/remembering.c
+++ b/src/remembering.c
@@ -1,6 +1,4 @@
-#ifndef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 200809L
-#endif
+#include "config.h"
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -12,6 +10,7 @@
 
 #ifdef TEST
 #include "unit-test.h"
+#include "tests-lib.h"
 #include <stdbool.h>
 #include <errno.h>
 #endif
diff --git a/src/tests-lib.c b/src/tests-lib.c
new file mode 100644
index 0000000..a9d229a
--- /dev/null
+++ b/src/tests-lib.c
@@ -0,0 +1,29 @@
+#include "config.h"
+#include "tests-lib.h"
+#include <stdio.h>
+#include <assert.h>
+
+#define COLOUR_RESET  "\033[0m"
+#define COLOUR_GREEN  "\033[0;32m"
+#define COLOUR_YELLOW "\033[0;33m"
+
+void
+test_start(const char *const name) {
+	assert(fprintf(stderr, "%s():\n", name) > 0);
+}
+
+void
+testing(const char *const message) {
+	assert(
+		fprintf(
+			stderr,
+			COLOUR_YELLOW "testing" COLOUR_RESET ": %s...",
+			message
+		) > 0
+	);
+}
+
+void
+test_ok(void) {
+	assert(fprintf(stderr, " " COLOUR_GREEN "OK" COLOUR_RESET ".\n") > 0);
+}
diff --git a/src/tests-lib.h b/src/tests-lib.h
new file mode 100644
index 0000000..1ceab27
--- /dev/null
+++ b/src/tests-lib.h
@@ -0,0 +1,13 @@
+#ifndef GISTATIC_TESTS_LIB_H
+#define GISTATIC_TESTS_LIB_H
+
+void
+test_start(const char *const name);
+
+void
+testing(const char *const message);
+
+void
+test_ok(void);
+
+#endif
diff --git a/src/unit-test.h b/src/unit-test.h
index 02922f7..2188f9f 100644
--- a/src/unit-test.h
+++ b/src/unit-test.h
@@ -8,14 +8,6 @@
 #define COLOUR_GREEN  "\033[0;32m"
 #define COLOUR_YELLOW "\033[0;33m"
 
-void testing(const char *const message) {
-	fprintf(stderr, COLOUR_YELLOW "testing" COLOUR_RESET ": %s...", message);
-}
-
-void test_ok() {
-	fprintf(stderr, " " COLOUR_GREEN "OK" COLOUR_RESET ".\n");
-}
-
 #define ASSERT_MSG "\n" COLOUR_RED "ERROR" COLOUR_RESET ": "
 #define assertf(A, M, ...) if (!(A)) { fprintf(stderr, (ASSERT_MSG M "\n"), __VA_ARGS__); assert(A); }
 #define asserte(A) if (!(A)) { fprintf(stderr, ASSERT_MSG "\n"); assert(A); }