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backends/platform/android/portdefs.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef _PORTDEFS_H_
+#define _PORTDEFS_H_
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <assert.h>
+#include <ctype.h>
+#include <inttypes.h>
+#include <limits.h>
+#define _USE_MATH_DEFINES
+#include <math.h>
+#include <new>
+#include <limits>
+
+// This is defined in snprintf.c
+#ifdef __cplusplus
+extern "C" {
+#endif
+int rpl_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap);
+#ifdef __cplusplus
+}
+#endif
+
+#define vsnprintf rpl_vsnprintf
+
+// Bionic libc up to Android 6/API 23 (excluded) is non-conformant with ANSI C.
+// It compares with integer character without casting it to unsigned char as required.
+// On AArch64, another (optimized) implementation is used which behaves properly.
+// If char is unsigned the problem does not exist.
+// strchr calls are also replaced by memchr calls when the compiler knows the haystack size.
+#if !defined(__CHAR_UNSIGNED__) && !defined(__aarch64__)
+#define memchr(s,c,n) memchr(s, (unsigned char)(c), n)
+#define strchr(s,c) strchr(s, (unsigned char)(c))
+#endif
+
+#endif // _PORTDEFS_H_