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1 | /* dl_win32.xs |
2 | * |
3 | * Platform: Win32 (Windows NT/Windows 95) |
4 | * Author: Wei-Yuen Tan (wyt@hip.com) |
5 | * Created: A warm day in June, 1995 |
6 | * |
7 | * Modified: |
8 | * August 23rd 1995 - rewritten after losing everything when I |
9 | * wiped off my NT partition (eek!) |
10 | */ |
11 | |
12 | /* Porting notes: |
13 | |
14 | I merely took Paul's dl_dlopen.xs, took out extraneous stuff and |
15 | replaced the appropriate SunOS calls with the corresponding Win32 |
16 | calls. |
17 | |
18 | */ |
19 | |
20 | #define WIN32_LEAN_AND_MEAN |
21 | #include <windows.h> |
22 | #include <string.h> |
23 | |
24 | #include "EXTERN.h" |
25 | #include "perl.h" |
26 | #include "XSUB.h" |
27 | |
28 | #include "dlutils.c" /* SaveError() etc */ |
29 | |
30 | static void |
31 | dl_private_init() |
32 | { |
33 | (void)dl_generic_private_init(); |
34 | } |
35 | |
36 | static int |
37 | dl_static_linked(char *filename) |
38 | { |
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39 | char **p; |
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40 | for (p = staticlinkmodules; *p;p++) { |
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41 | if (strstr(filename, *p)) return 1; |
42 | }; |
43 | return 0; |
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44 | } |
45 | |
46 | MODULE = DynaLoader PACKAGE = DynaLoader |
47 | |
48 | BOOT: |
49 | (void)dl_private_init(); |
50 | |
51 | void * |
52 | dl_load_file(filename,flags=0) |
53 | char * filename |
54 | int flags |
55 | PREINIT: |
56 | CODE: |
57 | DLDEBUG(1,fprintf(stderr,"dl_load_file(%s):\n", filename)); |
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58 | if (dl_static_linked(filename) == 0) |
59 | RETVAL = (void*) LoadLibraryEx(filename, NULL, LOAD_WITH_ALTERED_SEARCH_PATH ) ; |
60 | else |
61 | RETVAL = (void*) GetModuleHandle(NULL); |
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62 | DLDEBUG(2,fprintf(stderr," libref=%x\n", RETVAL)); |
63 | ST(0) = sv_newmortal() ; |
64 | if (RETVAL == NULL) |
65 | SaveError("%d",GetLastError()) ; |
66 | else |
67 | sv_setiv( ST(0), (IV)RETVAL); |
68 | |
69 | |
70 | void * |
71 | dl_find_symbol(libhandle, symbolname) |
72 | void * libhandle |
73 | char * symbolname |
74 | CODE: |
75 | DLDEBUG(2,fprintf(stderr,"dl_find_symbol(handle=%x, symbol=%s)\n", |
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76 | libhandle, symbolname)); |
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77 | RETVAL = (void*) GetProcAddress((HINSTANCE) libhandle, symbolname); |
78 | DLDEBUG(2,fprintf(stderr," symbolref = %x\n", RETVAL)); |
79 | ST(0) = sv_newmortal() ; |
80 | if (RETVAL == NULL) |
81 | SaveError("%d",GetLastError()) ; |
82 | else |
83 | sv_setiv( ST(0), (IV)RETVAL); |
84 | |
85 | |
86 | void |
87 | dl_undef_symbols() |
88 | PPCODE: |
89 | |
90 | |
91 | |
92 | # These functions should not need changing on any platform: |
93 | |
94 | void |
95 | dl_install_xsub(perl_name, symref, filename="$Package") |
96 | char * perl_name |
97 | void * symref |
98 | char * filename |
99 | CODE: |
100 | DLDEBUG(2,fprintf(stderr,"dl_install_xsub(name=%s, symref=%x)\n", |
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101 | perl_name, symref)); |
102 | ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)(CV*))symref, filename))); |
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103 | |
104 | |
105 | char * |
106 | dl_error() |
107 | CODE: |
108 | RETVAL = LastError ; |
109 | OUTPUT: |
110 | RETVAL |
111 | |
112 | # end. |