Define PATH_MAX as _MAX_PATH for MSVC builds

- The max. length of full pathname is 260 under Windows.
  _MAX_PATH is defined in stdlib.h, use:
  #define PATH_MAX _MAX_PATH

diff --git a/win32/rrd_config.h b/win32/rrd_config.h
index 62fac45f461b1f7186a10767eaaa9df4dcbc1fb8..8c2fbaf77920961094eaa725f413f5256d3a75e3 100644 (file)
--- a/win32/rrd_config.h
+++ b/win32/rrd_config.h
@@ -106,9 +106,10 @@
 /* Define to 1 if you have the `vasprintf' function. */
 #define HAVE_VASPRINTF 1
 
-/* Misc Missing Windows defines */
-#undef PATH_MAX /* PATH_MAX is defined in win32/dirent.h too. Relevant, if included before rrd_config.h */
-#define PATH_MAX 1024
+/* Misc missing Windows defines */
+#ifndef PATH_MAX    /* PATH_MAX is defined in win32/dirent.h too. Relevant, if included before rrd_config.h */
+#define PATH_MAX _MAX_PATH  /* max. length of full pathname is 260 under Windows, _MAX_PATH is defined in stdlib.h */
+#endif
 
 
 #include <ctype.h>