lib/string/strcmp/: streq(): Add function

Signed-off-by: Alejandro Colomar <alx@kernel.org>

lib/string/strcmp/streq.c

@@ -0,0 +1,12 @@
+// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#include <config.h>
+
+#include <stdbool.h>
+
+#include "string/strcmp/streq.h"
+
+
+extern inline bool streq(const char *s1, const char *s2);

lib/string/strcmp/streq.h

@@ -0,0 +1,30 @@
+// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#ifndef SHADOW_INCLUDE_LIB_STRING_STRCMP_STREQ_H_
+#define SHADOW_INCLUDE_LIB_STRING_STRCMP_STREQ_H_
+
+
+#include <config.h>
+
+#include <stdbool.h>
+#include <string.h>
+
+#include "attr.h"
+
+
+ATTR_STRING(1)
+ATTR_STRING(2)
+inline bool streq(const char *s1, const char *s2);
+
+
+/* Return true if s1 and s2 compare equal.  */
+inline bool
+streq(const char *s1, const char *s2)
+{
+	return strcmp(s1, s2) == 0;
+}
+
+
+#endif  // include guard