Add and use err(3)-like functions.

include/cryb/test.h

@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2012-2016 Dag-Erling Smørgrav
+ * Copyright (c) 2012-2017 Dag-Erling Smørgrav
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -75,6 +75,15 @@ void t_printv_hex(const uint8_t *, size_t);
 void t_printv(const char *, ...)
 	CRYB_PRINTF(1, 2);
 
+void t_warn(const char *, ...)
+	CRYB_PRINTF(1, 2);
+void t_syswarn(const char *, ...)
+	CRYB_PRINTF(1, 2);
+void t_err(int, const char *, ...)
+	CRYB_PRINTF(2, 3) CRYB_NORETURN;
+void t_syserr(int, const char *, ...)
+	CRYB_PRINTF(2, 3) CRYB_NORETURN;
+
 #if CRYB_TEST_HAVE_STDIO
 /*
  * Convenience functions for temp files

lib/test/Makefile.am

@@ -4,6 +4,7 @@ lib_LTLIBRARIES = libcryb-test.la
 libcryb_test_la_SOURCES = \
 	cryb_t_compare.c \
 	cryb_t_const.c \
+	cryb_t_err.c \
 	cryb_t_file.c \
 	cryb_t_main.c \
 	cryb_t_malloc.c \

lib/test/cryb_t_err.c

@@ -0,0 +1,103 @@
+/*-
+ * Copyright (c) 2017 Dag-Erling Smørgrav
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "cryb/impl.h"
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <cryb/test.h>
+
+/*
+ * Print a warning message.
+ */
+void
+t_warn(const char *fmt, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "%s: ", t_progname);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	fprintf(stderr, "\n");
+}
+
+/*
+ * Print a warning message followed by the appropriate text for the
+ * current value of errno.
+ */
+void
+t_syswarn(const char *fmt, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "%s: ", t_progname);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	fprintf(stderr, ": %s\n", strerror(errno));
+}
+
+/*
+ * Print an error message and exit.
+ */
+void
+t_err(int status, const char *fmt, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "%s: ", t_progname);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	fprintf(stderr, "\n");
+	exit(status);
+}
+
+/*
+ * Print an error message followed by the appropriate text for the current
+ * value of errno and exit.
+ */
+void
+t_syserr(int status, const char *fmt, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "%s: ", t_progname);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	fprintf(stderr, ": %s\n", strerror(errno));
+	exit(status);
+}

lib/test/cryb_t_file.c

@@ -29,7 +29,6 @@
 
 #include "cryb/impl.h"
 
-#include <err.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdarg.h>
@@ -53,20 +52,20 @@ t_fopen(const char *filename)
 	int fd, ret;
 
 	if ((tf = calloc(sizeof *tf, 1)) == NULL)
-		err(1, "%s(): calloc()", __func__);
+		t_syserr(1, "%s(): calloc()", __func__);
 	if (filename) {
 		if ((tf->name = strdup(filename)) == NULL)
-			err(1, "%s(): strdup()", __func__);
+			t_syserr(1, "%s(): strdup()", __func__);
 	} else {
 		ret = asprintf(&tf->name, "%s.%lu.%p.tmp",
 		    t_progname, (unsigned long)getpid(), (void *)tf);
 		if (ret < 0 || tf->name == NULL)
-			err(1, "%s(): asprintf()", __func__);
+			t_syserr(1, "%s(): asprintf()", __func__);
 	}
 	if ((fd = open(tf->name, O_RDWR|O_CREAT|O_TRUNC, 0600)) < 0)
-		err(1, "%s(): %s", __func__, tf->name);
+		t_syserr(1, "%s(): %s", __func__, tf->name);
 	if ((tf->file = fdopen(fd, "r+")) == NULL)
-		err(1, "%s(): fdopen()", __func__);
+		t_syserr(1, "%s(): fdopen()", __func__);
 	if ((tf->next = tflist) != NULL)
 		tf->next->prev = tf;
 	tflist = tf;
@@ -86,7 +85,7 @@ t_fprintf(struct t_file *tf, const char *fmt, ...)
 	len = vfprintf(tf->file, fmt, ap);
 	va_end(ap);
 	if (ferror(tf->file))
-		err(1, "%s(): vfprintf()", __func__);
+		t_syserr(1, "%s(): vfprintf()", __func__);
 	return (len);
 }
 
@@ -100,7 +99,7 @@ t_frewind(struct t_file *tf)
 	errno = 0;
 	rewind(tf->file);
 	if (errno != 0)
-		err(1, "%s(): rewind()", __func__);
+		t_syserr(1, "%s(): rewind()", __func__);
 }
 
 /*
@@ -138,7 +137,7 @@ t_fclose(struct t_file *tf)
 		tf->next->prev = tf->prev;
 	fclose(tf->file);
 	if (unlink(tf->name) < 0)
-		warn("%s(): unlink()", __func__);
+		t_syswarn("%s(): unlink()", __func__);
 	free(tf->name);
 	free(tf);
 }

lib/test/cryb_t_main.c

@@ -29,7 +29,6 @@
 
 #include "cryb/impl.h"
 
-#include <err.h>
 #include <setjmp.h>
 #include <signal.h>
 #include <stdarg.h>
@@ -122,7 +121,7 @@ t_grow(int n)
 	while (t_plan_len + n >= t_plan_size)
 		t_plan_size *= 2;
 	if ((p = realloc(t_plan, t_plan_size * sizeof *p)) == NULL)
-		err(1, "realloc()");
+		t_syserr(1, "realloc()");
 	t_plan = p;
 }
 
@@ -136,11 +135,11 @@ t_add_test(t_func *func, void *arg, const char *fmt, ...)
 	va_list ap;
 
 	if ((t = malloc(sizeof *t)) == NULL)
-		err(1, "malloc()");
+		t_syserr(1, "malloc()");
 	t->func = func;
 	va_start(ap, fmt);
 	if (vasprintf(&t->desc, fmt, ap) < 0)
-		err(1, "vasprintf()");
+		t_err(1, "vasprintf()");
 	va_end(ap);
 	t->arg = arg;
 	t_grow(1);
@@ -200,12 +199,12 @@ t_run_test(struct t_test *t, int n)
 	if ((signo = setjmp(sigjmp)) == 0)
 		ret = (*t->func)(&desc, t->arg);
 	if (t_malloc_fail != 0) {
-		t_printv("WARNING: test case left t_malloc_fail = %d\n",
+		t_warn("test case left t_malloc_fail = %d\n",
 		    t_malloc_fail);
 		t_malloc_fail = 0;
 	}
 	if (t_malloc_fail_after != 0) {
-		t_printv("WARNING: test case left t_malloc_fail_after = %d\n",
+		t_warn("test case left t_malloc_fail_after = %d\n",
 		    t_malloc_fail_after);
 		t_malloc_fail_after = 0;
 	}
@@ -227,7 +226,7 @@ t_run_test(struct t_test *t, int n)
 			snaplen = sizeof snap2;
 		t_compare_mem(snap1, snap2, snaplen);
 		if (memcmp(snap1, snap2, snaplen) != 0)
-			t_printv("WARNING: allocator state changed\n");
+			t_warn("allocator state changed\n");
 	}
 	return (ret);
 }
@@ -299,7 +298,7 @@ t_main(t_prepare_func t_prepare, t_cleanup_func t_cleanup,
 	if (t_prepare != NULL)
 		t_prepare(argc, argv);
 	if (t_plan_len == 0)
-		errx(1, "no plan");
+		t_err(1, "no plan");
 
 	/* run the tests */
 	nt = leaktest ? t_plan_len + 1 : t_plan_len;