linux同款panic二维码

clks/third_party/miniz/miniz_support.c

@@ -0,0 +1,76 @@
+#ifndef NDEBUG
+#define NDEBUG 1
+#endif
+
+#ifndef MINIZ_NO_STDIO
+#define MINIZ_NO_STDIO 1
+#endif
+
+#ifndef MINIZ_NO_INFLATE_APIS
+#define MINIZ_NO_INFLATE_APIS 1
+#endif
+
+#ifndef MINIZ_NO_TIME
+#define MINIZ_NO_TIME 1
+#endif
+
+#ifndef MINIZ_NO_MALLOC
+#define MINIZ_NO_MALLOC 1
+#endif
+
+#ifndef MINIZ_NO_ZLIB_APIS
+#define MINIZ_NO_ZLIB_APIS 1
+#endif
+
+#ifndef MINIZ_NO_ZLIB_COMPATIBLE_NAMES
+#define MINIZ_NO_ZLIB_COMPATIBLE_NAMES 1
+#endif
+
+#include "miniz.h"
+
+mz_ulong mz_adler32(mz_ulong adler, const unsigned char *ptr, size_t buf_len) {
+    mz_uint32 s1 = (mz_uint32)(adler & 0xFFFFU);
+    mz_uint32 s2 = (mz_uint32)((adler >> 16) & 0xFFFFU);
+    size_t i;
+
+    if (ptr == 0) {
+        return MZ_ADLER32_INIT;
+    }
+
+    for (i = 0; i < buf_len; i++) {
+        s1 += (mz_uint32)ptr[i];
+        if (s1 >= 65521U) {
+            s1 -= 65521U;
+        }
+
+        s2 += s1;
+        if (s2 >= 65521U) {
+            s2 -= 65521U;
+        }
+    }
+
+    return ((mz_ulong)s2 << 16) | (mz_ulong)s1;
+}
+
+mz_ulong mz_crc32(mz_ulong crc, const unsigned char *ptr, size_t buf_len) {
+    mz_uint32 cur = (mz_uint32)crc ^ 0xFFFFFFFFU;
+    size_t i;
+    unsigned int bit;
+
+    if (ptr == 0) {
+        return MZ_CRC32_INIT;
+    }
+
+    for (i = 0; i < buf_len; i++) {
+        cur ^= (mz_uint32)ptr[i];
+        for (bit = 0U; bit < 8U; bit++) {
+            if ((cur & 1U) != 0U) {
+                cur = (cur >> 1) ^ 0xEDB88320U;
+            } else {
+                cur >>= 1;
+            }
+        }
+    }
+
+    return (mz_ulong)(cur ^ 0xFFFFFFFFU);
+}