1 files changed, 97 insertions, 0 deletions
diff --git a/src/kernel/tests/lib/safe_stdio.c b/src/kernel/tests/lib/safe_stdio.c
new file mode 100644
index 0000000..966a039
--- /dev/null
+++ b/src/kernel/tests/lib/safe_stdio.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#define _GNU_SOURCE
+#include <stdarg.h>
+#include <stdio.h>
+#include <errno.h>
+#include "test.h"
+#include "safe_stdio_fn.h"
+
+FILE *safe_fopen(const char *file, const int lineno, void (cleanup_fn)(void),
+                 const char *path, const char *mode)
+{
+	FILE *f = fopen(path, mode);
+
+	if (f == NULL) {
+		tst_brkm(TBROK | TERRNO, cleanup_fn,
+			 "%s:%d: fopen(%s,%s) failed",
+			 file, lineno, path, mode);
+	}
+
+	return f;
+}
+
+int safe_fclose(const char *file, const int lineno, void (cleanup_fn)(void),
+                FILE *f)
+{
+	int ret;
+
+	ret = fclose(f);
+
+	if (ret) {
+		tst_brkm(TBROK | TERRNO, cleanup_fn,
+			 "%s:%d: fclose(%p) failed", file, lineno, f);
+	}
+
+	return ret;
+}
+
+int safe_asprintf(const char *file, const int lineno, void (cleanup_fn)(void),
+                  char **strp, const char *fmt, ...)
+{
+	int ret;
+	va_list va;
+
+	va_start(va, fmt);
+	ret = vasprintf(strp, fmt, va);
+	va_end(va);
+
+	if (ret < 0) {
+		tst_brkm(TBROK | TERRNO, cleanup_fn,
+			 "%s:%d: asprintf(%s,...) failed", file, lineno, fmt);
+	}
+
+	return ret;
+}
+
+FILE *safe_popen(const char *file, const int lineno, void (cleanup_fn)(void),
+		 const char *command, const char *type)
+{
+	FILE *stream;
+	const int saved_errno = errno;
+
+	errno = 0;
+	stream = popen(command, type);
+
+	if (stream == NULL) {
+		if (errno != 0) {
+			tst_brkm(TBROK | TERRNO, cleanup_fn,
+				 "%s:%d: popen(%s,%s) failed",
+				 file, lineno, command, type);
+		} else {
+			tst_brkm(TBROK, cleanup_fn,
+				 "%s:%d: popen(%s,%s) failed: Out of memory",
+				 file, lineno, command, type);
+		}
+	}
+
+	errno = saved_errno;
+
+	return stream;
+}