1 files changed, 119 insertions, 0 deletions
diff --git a/weprintf.c b/weprintf.c
new file mode 100644
index 0000000..14984c6
--- /dev/null
+++ b/weprintf.c
@@ -0,0 +1,119 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+extern inline void libsimple_weprintf(const char *, ...);
+
+
+#else
+#include "test.h"
+
+#if defined(__GNUC__) && !defined(__clang__)
+# pragma GCC diagnostic ignored "-Wformat-zero-length"
+#endif
+
+static void
+preprint(void)
+{
+	test_fprintf(stderr, "pre\n");
+}
+
+static void
+postprint(void)
+{
+	test_fprintf(stderr, "post\n");
+}
+
+int
+main(void)
+{
+	char prefix[100];
+	int i, j;
+
+#define T(...)\
+	do {\
+		stderr_n = 0;\
+		if (j == 0) {\
+			libsimple_weprintf(__VA_ARGS__);\
+		} else if (j == 1) {\
+			assert_exit(libsimple_enprintf(107, __VA_ARGS__));\
+			assert(exit_status == 107);\
+		} else {\
+			libsimple_default_failure_exit = 108;\
+			assert_exit(libsimple_eprintf(__VA_ARGS__));\
+			assert(exit_status == 108);\
+		}\
+	} while (0)
+
+	sprintf(prefix, "%s: ", argv0);
+	stderr_ok = 1;
+
+	for (i = 0; i < 2; i++, argv0 = NULL, *prefix = '\0') {
+		for (j = 0; j < 3; j++) {
+			T("%s%s%s\n", "abc", "123", "xyz");
+			assert_stderr("%s%s\n", prefix, "abc123xyz");
+			libsimple_eprintf_preprint = preprint;
+			T("%s%s%s\n", "abc", "123", "\n");
+			assert_stderr("pre\n%s%s\n", prefix, "abc123\n");
+			libsimple_eprintf_preprint = NULL;
+			libsimple_eprintf_postprint = postprint;
+			T("%s%s%s", "abc", "123", "xyz");
+			assert_stderr("%s%s\npost\n", prefix, "abc123xyz");
+			libsimple_eprintf_postprint = NULL;
+			T("%s%s%s", "abc", "123", "\n");
+			assert_stderr("%s%s\n", prefix, "abc123\n");
+			errno = EDOM;
+			libsimple_eprintf_preprint = preprint;
+			libsimple_eprintf_postprint = postprint;
+			T("%s%s%s:", "abc", "123", "\n");
+			assert_stderr("pre\n%s%s: %s\npost\n", prefix, "abc123\n", strerror(EDOM));
+			libsimple_eprintf_preprint = NULL;
+			libsimple_eprintf_postprint = NULL;
+			errno = ERANGE;
+			T("%s%s%s:", "abc", "123", "\n");
+			assert_stderr("%s%s: %s\n", prefix, "abc123\n", strerror(ERANGE));
+			errno = EOVERFLOW;
+			T("");
+			assert_stderr("%s%s\n", prefix, strerror(EOVERFLOW));
+
+			T("%s%s%s\n", "usage: ", "123", "xyz");
+			assert_stderr("%s%s\n", prefix, "usage: 123xyz");
+			T("%s%s%s\n", "usage: ", "123", "\n");
+			assert_stderr("%s%s\n", prefix, "usage: 123\n");
+			T("%s%s%s", "usage: ", "123", "xyz");
+			assert_stderr("%s%s\n", prefix, "usage: 123xyz");
+			T("%s%s%s", "usage: ", "123", "\n");
+			assert_stderr("%s%s\n", prefix, "usage: 123\n");
+			errno = EDOM;
+			T("%s%s%s:", "usage: ", "123", "\n");
+			assert_stderr("%s%s: %s\n", prefix, "usage: 123\n", strerror(EDOM));
+			errno = ERANGE;
+			T("%s%s%s:", "usage: ", "123", "\n");
+			assert_stderr("%s%s: %s\n", prefix, "usage: 123\n", strerror(ERANGE));
+
+			T("usage: %s%s%s\n", "abc", "123", "xyz");
+			assert_stderr("%s: %s\n", "usage", "abc123xyz");
+			T("usage: %s%s%s\n", "abc", "123", "\n");
+			assert_stderr("%s: %s\n", "usage", "abc123\n");
+			T("usage: %s%s%s", "abc", "123", "xyz");
+			assert_stderr("%s: %s\n", "usage", "abc123xyz");
+			T("usage: %s%s%s", "abc", "123", "\n");
+			assert_stderr("%s: %s\n", "usage", "abc123\n");
+			errno = EDOM;
+			T("usage: %s%s%s:", "abc", "123", "\n");
+			assert_stderr("%s: %s: %s\n", "usage", "abc123\n", strerror(EDOM));
+			errno = ERANGE;
+			T("usage: %s%s%s:", "abc", "123", "\n");
+			assert_stderr("%s: %s: %s\n", "usage", "abc123\n", strerror(ERANGE));
+			T("usage: ");
+			assert_stderr("%s", "usage: \n");
+		}
+	}
+
+#undef T
+
+	return 0;
+}
+
+#endif