X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=win32%2Fdl_win32.xs;h=b69ad27c7b64a40e0a33f7ee14d02cfb748318a5;hb=1c7d9af3bd40a8ae4d0b1feabf16378e4446d90a;hp=7b227e299c9019b4521d1fd132ab6229d6829cbe;hpb=68dc074516a6859e3424b48d1647bcb08b1a1a7d;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/win32/dl_win32.xs b/win32/dl_win32.xs
index 7b227e2..b69ad27 100644
--- a/win32/dl_win32.xs
+++ b/win32/dl_win32.xs
@@ -18,27 +18,86 @@ 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"
+
 #include "XSUB.h"
 
+typedef struct {
+    SV *	x_error_sv;
+} my_cxtx_t;		/* this *must* be named my_cxtx_t */
+
+#define DL_CXT_EXTRA	/* ask for dl_cxtx to be defined in dlutils.c */
 #include "dlutils.c"	/* SaveError() etc	*/
 
+#define dl_error_sv	(dl_cxtx.x_error_sv)
+
+static char *
+OS_Error_String(pTHX)
+{
+    dMY_CXT;
+    DWORD err = GetLastError();
+    STRLEN len;
+    if (!dl_error_sv)
+	dl_error_sv = newSVpvn("",0);
+    PerlProc_GetOSError(dl_error_sv,err);
+    return SvPV(dl_error_sv,len);
+}
+
 static void
-dl_private_init()
+dl_private_init(pTHX)
 {
-    (void)dl_generic_private_init();
+    (void)dl_generic_private_init(aTHX);
 }
 
+/* 
+    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, *hptr;
+    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 (hptr = strstr(ptr, *p)) {
+	    /* found substring, need more detailed check if module name match */
+	    if (hptr==ptr) {
+		return strcmp(ptr, *p)==0;
+	    }
+	    if (hptr[strlen(*p)] == 0)
+		return hptr[-1]=='/';
+	}
     };
     return 0;
 }
@@ -46,7 +105,7 @@ dl_static_linked(char *filename)
 MODULE = DynaLoader	PACKAGE = DynaLoader
 
 BOOT:
-    (void)dl_private_init();
+    (void)dl_private_init(aTHX);
 
 void *
 dl_load_file(filename,flags=0)
@@ -54,31 +113,47 @@ 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(aTHX_ "load_file:%s",
+		  OS_Error_String(aTHX)) ;
     else
 	sv_setiv( ST(0), (IV)RETVAL);
-
+  }
+
+int
+dl_unload_file(libref)
+    void *	libref
+  CODE:
+    DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_unload_file(%lx):\n", PTR2ul(libref)));
+    RETVAL = FreeLibrary(libref);
+    if (!RETVAL)
+        SaveError(aTHX_ "unload_file:%s", OS_Error_String(aTHX)) ;
+    DLDEBUG(2,PerlIO_printf(Perl_debug_log, " retval = %d\n", RETVAL));
+  OUTPUT:
+    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(aTHX_ "find_symbol:%s",
+		  OS_Error_String(aTHX)) ;
     else
 	sv_setiv( ST(0), (IV)RETVAL);
 
@@ -97,15 +172,18 @@ 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(*)(pTHX_ CV *))symref,
+					filename)));
 
 
 char *
 dl_error()
     CODE:
-    RETVAL = LastError ;
+    dMY_CXT;
+    RETVAL = dl_last_error;
     OUTPUT:
     RETVAL