3 * Platform: Win32 (Windows NT/Windows 95)
4 * Author: Wei-Yuen Tan (wyt@hip.com)
5 * Created: A warm day in June, 1995
8 * August 23rd 1995 - rewritten after losing everything when I
9 * wiped off my NT partition (eek!)
14 I merely took Paul's dl_dlopen.xs, took out extraneous stuff and
15 replaced the appropriate SunOS calls with the corresponding Win32
20 #define WIN32_LEAN_AND_MEAN
27 #define PERL_NO_GET_CONTEXT
37 } my_cxtx_t; /* this *must* be named my_cxtx_t */
39 #define DL_CXT_EXTRA /* ask for dl_cxtx to be defined in dlutils.c */
40 #include "dlutils.c" /* SaveError() etc */
42 #define dl_error_sv (dl_cxtx.x_error_sv)
48 DWORD err = GetLastError();
51 dl_error_sv = newSVpvn("",0);
52 PerlProc_GetOSError(dl_error_sv,err);
53 return SvPV(dl_error_sv,len);
59 (void)dl_generic_private_init(aTHX);
63 This function assumes the list staticlinkmodules
64 will be formed from package names with '::' replaced
65 with '/'. Thus Win32::OLE is in the list as Win32/OLE
68 dl_static_linked(char *filename)
72 static char subStr[] = "/auto/";
73 char szBuffer[MAX_PATH];
75 /* avoid buffer overflow when called with invalid filenames */
76 if (strlen(filename) >= sizeof(szBuffer))
79 /* change all the '\\' to '/' */
80 strcpy(szBuffer, filename);
81 for(ptr = szBuffer; ptr = strchr(ptr, '\\'); ++ptr)
84 /* delete the file name */
85 ptr = strrchr(szBuffer, '/');
89 /* remove leading lib path */
90 ptr = strstr(szBuffer, subStr);
92 ptr += sizeof(subStr)-1;
96 for (p = staticlinkmodules; *p;p++) {
97 if (hptr = strstr(ptr, *p)) {
98 /* found substring, need more detailed check if module name match */
100 return strcmp(ptr, *p)==0;
102 if (hptr[strlen(*p)] == 0)
103 return hptr[-1]=='/';
109 MODULE = DynaLoader PACKAGE = DynaLoader
112 (void)dl_private_init(aTHX);
115 dl_load_file(filename,flags=0)
121 DLDEBUG(1,PerlIO_printf(Perl_debug_log,"dl_load_file(%s):\n", filename));
122 if (dl_static_linked(filename) == 0) {
123 RETVAL = PerlProc_DynaLoad(filename);
126 RETVAL = (void*) Win_GetModuleHandle(NULL);
127 DLDEBUG(2,PerlIO_printf(Perl_debug_log," libref=%x\n", RETVAL));
128 ST(0) = sv_newmortal() ;
130 SaveError(aTHX_ "load_file:%s",
131 OS_Error_String(aTHX)) ;
133 sv_setiv( ST(0), (IV)RETVAL);
137 dl_unload_file(libref)
140 DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_unload_file(%lx):\n", PTR2ul(libref)));
141 RETVAL = FreeLibrary(libref);
143 SaveError(aTHX_ "unload_file:%s", OS_Error_String(aTHX)) ;
144 DLDEBUG(2,PerlIO_printf(Perl_debug_log, " retval = %d\n", RETVAL));
149 dl_find_symbol(libhandle, symbolname)
153 DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_find_symbol(handle=%x, symbol=%s)\n",
154 libhandle, symbolname));
155 RETVAL = (void*) GetProcAddress((HINSTANCE) libhandle, symbolname);
156 DLDEBUG(2,PerlIO_printf(Perl_debug_log," symbolref = %x\n", RETVAL));
157 ST(0) = sv_newmortal() ;
159 SaveError(aTHX_ "find_symbol:%s",
160 OS_Error_String(aTHX)) ;
162 sv_setiv( ST(0), (IV)RETVAL);
171 # These functions should not need changing on any platform:
174 dl_install_xsub(perl_name, symref, filename="$Package")
179 DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_install_xsub(name=%s, symref=%x)\n",
181 ST(0) = sv_2mortal(newRV((SV*)newXS(perl_name,
182 (void(*)(pTHX_ CV *))symref,
190 RETVAL = dl_last_error;
194 #if defined(USE_ITHREADS)
201 /* MY_CXT_CLONE just does a memcpy on the whole structure, so to avoid
202 * using Perl variables that belong to another thread, we create our
203 * own for this thread.
205 MY_CXT.x_dl_last_error = newSVpvn("", 0);