workaround for undefined symbol

[perl5.git] / win32 / dl_win32.xs

diff --git a/win32/dl_win32.xs b/win32/dl_win32.xs
index 7b227e2..d959fbd 100644 (file)
--- a/win32/dl_win32.xs
+++ b/win32/dl_win32.xs
@@ -18,27 +18,77 @@ calls.
 */
 
 #define WIN32_LEAN_AND_MEAN
+#ifdef __GNUC__
+#define Win32_Winsock
+#endif
 #include <windows.h>
 #include <string.h>
 
+#define PERL_NO_GET_CONTEXT
+
 #include "EXTERN.h"
 #include "perl.h"
+#include "win32.h"
+
+#ifdef PERL_OBJECT
+#define NO_XSLOCKS
+#endif  /* PERL_OBJECT */
+
 #include "XSUB.h"
 
+static SV *error_sv;
+
+static char *
+OS_Error_String(pTHXo)
+{
+ DWORD err = GetLastError();
+ STRLEN len;
+ if (!error_sv)
+  error_sv = newSVpvn("",0);
+ PerlProc_GetOSError(error_sv,err);
+ return SvPV(error_sv,len);
+}
+
 #include "dlutils.c"   /* SaveError() etc      */
 
 static void
-dl_private_init()
+dl_private_init(pTHXo)
 {
-    (void)dl_generic_private_init();
+    (void)dl_generic_private_init(aTHXo);
 }
 
+/* 
+    This function assumes the list staticlinkmodules
+    will be formed from package names with '::' replaced
+    with '/'. Thus Win32::OLE is in the list as Win32/OLE
+*/
 static int
 dl_static_linked(char *filename)
 {
     char **p;
+    char* ptr;
+    static char subStr[] = "/auto/";
+    char szBuffer[MAX_PATH];
+
+    /* change all the '\\' to '/' */
+    strcpy(szBuffer, filename);
+    for(ptr = szBuffer; ptr = strchr(ptr, '\\'); ++ptr)
+       *ptr = '/';
+
+    /* delete the file name */
+    ptr = strrchr(szBuffer, '/');
+    if(ptr != NULL)
+       *ptr = '\0';
+
+    /* remove leading lib path */
+    ptr = strstr(szBuffer, subStr);
+    if(ptr != NULL)
+       ptr += sizeof(subStr)-1;
+    else
+       ptr = szBuffer;
+
     for (p = staticlinkmodules; *p;p++) {
-       if (strstr(filename, *p)) return 1;
+       if (strstr(ptr, *p)) return 1;
     };
     return 0;
 }
@@ -46,7 +96,7 @@ dl_static_linked(char *filename)
 MODULE = DynaLoader    PACKAGE = DynaLoader
 
 BOOT:
-    (void)dl_private_init();
+    (void)dl_private_init(aTHXo);
 
 void *
 dl_load_file(filename,flags=0)
@@ -54,31 +104,35 @@ dl_load_file(filename,flags=0)
     int                        flags
     PREINIT:
     CODE:
-    DLDEBUG(1,fprintf(stderr,"dl_load_file(%s):\n", filename));
-    if (dl_static_linked(filename) == 0)
-       RETVAL = (void*) LoadLibraryEx(filename, NULL, LOAD_WITH_ALTERED_SEARCH_PATH ) ;
+  {
+    DLDEBUG(1,PerlIO_printf(Perl_debug_log,"dl_load_file(%s):\n", filename));
+    if (dl_static_linked(filename) == 0) {
+       RETVAL = PerlProc_DynaLoad(filename);
+    }
     else
        RETVAL = (void*) GetModuleHandle(NULL);
-    DLDEBUG(2,fprintf(stderr," libref=%x\n", RETVAL));
+    DLDEBUG(2,PerlIO_printf(Perl_debug_log," libref=%x\n", RETVAL));
     ST(0) = sv_newmortal() ;
     if (RETVAL == NULL)
-       SaveError("%d",GetLastError()) ;
+       SaveError(aTHXo_ "load_file:%s",
+                 OS_Error_String(aTHXo)) ;
     else
        sv_setiv( ST(0), (IV)RETVAL);
-
+  }
 
 void *
 dl_find_symbol(libhandle, symbolname)
     void *     libhandle
     char *     symbolname
     CODE:
-    DLDEBUG(2,fprintf(stderr,"dl_find_symbol(handle=%x, symbol=%s)\n",
+    DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_find_symbol(handle=%x, symbol=%s)\n",
                      libhandle, symbolname));
     RETVAL = (void*) GetProcAddress((HINSTANCE) libhandle, symbolname);
-    DLDEBUG(2,fprintf(stderr,"  symbolref = %x\n", RETVAL));
+    DLDEBUG(2,PerlIO_printf(Perl_debug_log,"  symbolref = %x\n", RETVAL));
     ST(0) = sv_newmortal() ;
     if (RETVAL == NULL)
-       SaveError("%d",GetLastError()) ;
+       SaveError(aTHXo_ "find_symbol:%s",
+                 OS_Error_String(aTHXo)) ;
     else
        sv_setiv( ST(0), (IV)RETVAL);
 
@@ -97,9 +151,11 @@ dl_install_xsub(perl_name, symref, filename="$Package")
     void *             symref 
     char *             filename
     CODE:
-    DLDEBUG(2,fprintf(stderr,"dl_install_xsub(name=%s, symref=%x)\n",
+    DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_install_xsub(name=%s, symref=%x)\n",
                      perl_name, symref));
-    ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)(CV*))symref, filename)));
+    ST(0) = sv_2mortal(newRV((SV*)newXS(perl_name,
+                                       (void(*)(pTHXo_ CV *))symref,
+                                       filename)));
 
 
 char *