Moved SH_DENY* for unix from smbwrap.h to gen_defs.h and redefined SH_DENYNO to

2 to preserve functionality

src/sbbs3/gen_defs.h

@@ -104,12 +104,15 @@
 
 #elif defined(__unix__)
 
+#include <fcntl.h>
+
 #define O_DENYNONE	0
 #define O_DENYALL	0
 #define O_BINARY	0
-#define SH_DENYNO	0
-#define SH_DENYRW	0
-#define SH_DENYWR	0
+#define SH_DENYNO	2          // open() will *not* block
+#define SH_DENYRW	F_WRLCK	   // blocks on read/write
+#define SH_DENYRD   F_RDLCK	   // blocks on read
+#define SH_DENYWR   F_WRLCK    // blocks on write (and read)
 
 #endif
 

src/sbbs3/smbwrap.c

@@ -53,6 +53,7 @@
 /* SMB-specific */
 #include "smblib.h"		/* SMBCALL */
 #include "smbwrap.h"	/* Verify prototypes */
+#include "gen_defs.h"   /* SH_DENYNO */
 
 #ifdef _WIN32
 #define stat(f,s)	_stat(f,s)

src/sbbs3/smbwrap.h

@@ -64,11 +64,6 @@
 	#define chsize(fd,size)		ftruncate(fd,size)
 
 	#define O_BINARY		0
-	#define SH_DENYNO		0
-	#define SH_DENYRW		F_WRLCK
-	#define SH_DENYRD       F_RDLCK
-	#define SH_DENYWR       F_WRLCK
-
 #endif
 
 #ifndef BOOL