1 files changed, 194 insertions, 0 deletions
diff --git a/jslinux-2019-12-21/tinyemu-2019-12-21/cutils.h b/jslinux-2019-12-21/tinyemu-2019-12-21/cutils.h
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+++ b/jslinux-2019-12-21/tinyemu-2019-12-21/cutils.h
@@ -0,0 +1,194 @@
+/*
+ * C utilities
+ * 
+ * Copyright (c) 2016 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef CUTILS_H
+#define CUTILS_H
+
+#include <inttypes.h>
+
+#define likely(x)       __builtin_expect(!!(x), 1)
+#define unlikely(x)     __builtin_expect(!!(x), 0)
+#define force_inline inline __attribute__((always_inline))
+#define no_inline __attribute__((noinline))
+#define __maybe_unused __attribute__((unused))
+
+#define xglue(x, y) x ## y
+#define glue(x, y) xglue(x, y)
+#define stringify(s)    tostring(s)
+#define tostring(s)     #s
+
+#ifndef offsetof
+#define offsetof(type, field) ((size_t) &((type *)0)->field)
+#endif
+#define countof(x) (sizeof(x) / sizeof(x[0]))
+
+#define DLL_PUBLIC __attribute__ ((visibility ("default")))
+
+#ifndef _BOOL_defined
+#define _BOOL_defined
+#undef FALSE
+#undef TRUE
+
+typedef int BOOL;
+enum {
+    FALSE = 0,
+    TRUE = 1,
+};
+#endif
+
+/* this test works at least with gcc */
+#if defined(__SIZEOF_INT128__)
+#define HAVE_INT128
+#endif
+
+#ifdef HAVE_INT128
+typedef __int128 int128_t;
+typedef unsigned __int128 uint128_t;
+#endif
+
+static inline int max_int(int a, int b)
+{
+    if (a > b)
+        return a;
+    else
+        return b;
+}
+
+static inline int min_int(int a, int b)
+{
+    if (a < b)
+        return a;
+    else
+        return b;
+}
+
+void *mallocz(size_t size);
+
+#if defined(_WIN32)
+static inline uint32_t bswap_32(uint32_t v)
+{
+    return ((v & 0xff000000) >> 24) | ((v & 0x00ff0000) >>  8) |
+        ((v & 0x0000ff00) <<  8) | ((v & 0x000000ff) << 24);
+}
+#else
+#include <byteswap.h>
+#endif
+
+static inline uint16_t get_le16(const uint8_t *ptr)
+{
+    return ptr[0] | (ptr[1] << 8);
+}
+
+static inline uint32_t get_le32(const uint8_t *ptr)
+{
+    return ptr[0] | (ptr[1] << 8) | (ptr[2] << 16) | (ptr[3] << 24);
+}
+
+static inline uint64_t get_le64(const uint8_t *ptr)
+{
+    return get_le32(ptr) | ((uint64_t)get_le32(ptr + 4) << 32);
+}
+
+static inline void put_le16(uint8_t *ptr, uint16_t v)
+{
+    ptr[0] = v;
+    ptr[1] = v >> 8;
+}
+
+static inline void put_le32(uint8_t *ptr, uint32_t v)
+{
+    ptr[0] = v;
+    ptr[1] = v >> 8;
+    ptr[2] = v >> 16;
+    ptr[3] = v >> 24;
+}
+
+static inline void put_le64(uint8_t *ptr, uint64_t v)
+{
+    put_le32(ptr, v);
+    put_le32(ptr + 4, v >> 32);
+}
+
+static inline uint32_t get_be32(const uint8_t *d)
+{
+    return (d[0] << 24) | (d[1] << 16) | (d[2] << 8) | d[3];
+}
+
+static inline void put_be32(uint8_t *d, uint32_t v)
+{
+    d[0] = v >> 24;
+    d[1] = v >> 16;
+    d[2] = v >> 8;
+    d[3] = v >> 0;
+}
+
+static inline void put_be64(uint8_t *d, uint64_t v)
+{
+    put_be32(d, v >> 32);
+    put_be32(d + 4, v);
+}
+
+#ifdef WORDS_BIGENDIAN
+static inline uint32_t cpu_to_be32(uint32_t v)
+{
+    return v;
+}
+#else
+static inline uint32_t cpu_to_be32(uint32_t v)
+{
+    return bswap_32(v);
+}
+#endif
+
+/* XXX: optimize */
+static inline int ctz32(uint32_t a)
+{
+    int i;
+    if (a == 0)
+        return 32;
+    for(i = 0; i < 32; i++) {
+        if ((a >> i) & 1)
+            return i;
+    }
+    return 32;
+}
+
+
+void *mallocz(size_t size);
+void pstrcpy(char *buf, int buf_size, const char *str);
+char *pstrcat(char *buf, int buf_size, const char *s);
+int strstart(const char *str, const char *val, const char **ptr);
+
+typedef struct {
+    uint8_t *buf;
+    size_t size;
+    size_t allocated_size;
+} DynBuf;
+
+void dbuf_init(DynBuf *s);
+void dbuf_write(DynBuf *s, size_t offset, const uint8_t *data, size_t len);
+void dbuf_putc(DynBuf *s, uint8_t c);
+void dbuf_putstr(DynBuf *s, const char *str);
+void dbuf_free(DynBuf *s);
+
+#endif /* CUTILS_H */