Windows build fixes

CMakeLists.txt

@@ -9,7 +9,7 @@ unset(KABUFUDA_INCLUDE_DIR CACHE)
 
 unset(PLAT_SRCS)
 if(WIN32)
-list(APPEND PLAT_SRCS lib/kabufuda/winsupport.cpp include/kabufuda/winsupport.hpp lib/kabufuda/AsyncIOWin32.cpp)
+list(APPEND PLAT_SRCS include/kabufuda/winsupport.hpp lib/kabufuda/AsyncIOWin32.cpp)
 else()
 list(APPEND PLAT_SRCS lib/kabufuda/AsyncIOPosix.cpp)
 endif()

include/kabufuda/winsupport.hpp

@@ -7,5 +7,28 @@
 #define NOMINMAX 1
 #endif
 #include "windows.h"
+#include <cstdint>
 
-void* memmem(const void* haystack, size_t hlen, const void* needle, size_t nlen);
+#ifndef DEF_INLINE_MEMMEM
+#define DEF_INLINE_MEMMEM
+inline void* memmem(const void* haystack, size_t hlen, const void* needle, size_t nlen) {
+  int needle_first;
+  const uint8_t* p = static_cast<const uint8_t*>(haystack);
+  size_t plen = hlen;
+
+  if (!nlen)
+    return NULL;
+
+  needle_first = *(unsigned char*)needle;
+
+  while (plen >= nlen && (p = static_cast<const uint8_t*>(memchr(p, needle_first, plen - nlen + 1)))) {
+    if (!memcmp(p, needle, nlen))
+      return (void*)p;
+
+    p++;
+    plen = hlen - (p - static_cast<const uint8_t*>(haystack));
+  }
+
+  return NULL;
+}
+#endif

lib/kabufuda/winsupport.cpp

@@ -1,34 +0,0 @@
-#include <cstdlib>
-#include <cstdint>
-#include <cstring>
-#include <string>
-#include "hecl/winsupport.hpp"
-
-/*
- * The memmem() function finds the start of the first occurrence of the
- * substring 'needle' of length 'nlen' in the memory area 'haystack' of
- * length 'hlen'.
- *
- * The return value is a pointer to the beginning of the sub-string, or
- * NULL if the substring is not found.
- */
-void* memmem(const void* haystack, size_t hlen, const void* needle, size_t nlen) {
-  int needle_first;
-  const uint8_t* p = static_cast<const uint8_t*>(haystack);
-  size_t plen = hlen;
-
-  if (!nlen)
-    return NULL;
-
-  needle_first = *(unsigned char*)needle;
-
-  while (plen >= nlen && (p = static_cast<const uint8_t*>(memchr(p, needle_first, plen - nlen + 1)))) {
-    if (!memcmp(p, needle, nlen))
-      return (void*)p;
-
-    p++;
-    plen = hlen - (p - static_cast<const uint8_t*>(haystack));
-  }
-
-  return NULL;
-}