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-rw-r--r--Python/dynload_aix.c235
-rw-r--r--Python/dynload_beos.c280
-rw-r--r--Python/dynload_dl.c53
-rw-r--r--Python/dynload_hpux.c77
-rw-r--r--Python/dynload_mac.c134
-rw-r--r--Python/dynload_next.c194
-rw-r--r--Python/dynload_os2.c74
-rw-r--r--Python/dynload_shlib.c110
-rw-r--r--Python/dynload_stub.c41
-rw-r--r--Python/dynload_win.c149
10 files changed, 1347 insertions, 0 deletions
diff --git a/Python/dynload_aix.c b/Python/dynload_aix.c
new file mode 100644
index 0000000000..18a5bd0ecc
--- /dev/null
+++ b/Python/dynload_aix.c
@@ -0,0 +1,235 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#include <ctype.h> /* for isdigit() */
+#include <errno.h> /* for global errno */
+#include <string.h> /* for strerror() */
+#include <stdlib.h> /* for malloc(), free() */
+#include <sys/ldr.h>
+
+#include "Python.h"
+#include "importdl.h"
+
+
+#ifdef AIX_GENUINE_CPLUSPLUS
+#include "/usr/lpp/xlC/include/load.h"
+#define aix_load loadAndInit
+#else
+#define aix_load load
+#endif
+
+
+extern char *Py_GetProgramName();
+
+typedef struct Module {
+ struct Module *next;
+ void *entry;
+} Module, *ModulePtr;
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".so", "rb", C_EXTENSION},
+ {"module.so", "rb", C_EXTENSION},
+ {0, 0}
+};
+
+static int
+aix_getoldmodules(modlistptr)
+ void **modlistptr;
+{
+ register ModulePtr modptr, prevmodptr;
+ register struct ld_info *ldiptr;
+ register char *ldibuf;
+ register int errflag, bufsize = 1024;
+ register unsigned int offset;
+ char *progname = Py_GetProgramName();
+
+ /*
+ -- Get the list of loaded modules into ld_info structures.
+ */
+ if ((ldibuf = malloc(bufsize)) == NULL) {
+ PyErr_SetString(PyExc_ImportError, strerror(errno));
+ return -1;
+ }
+ while ((errflag = loadquery(L_GETINFO, ldibuf, bufsize)) == -1
+ && errno == ENOMEM) {
+ free(ldibuf);
+ bufsize += 1024;
+ if ((ldibuf = malloc(bufsize)) == NULL) {
+ PyErr_SetString(PyExc_ImportError, strerror(errno));
+ return -1;
+ }
+ }
+ if (errflag == -1) {
+ PyErr_SetString(PyExc_ImportError, strerror(errno));
+ return -1;
+ }
+ /*
+ -- Make the modules list from the ld_info structures.
+ */
+ ldiptr = (struct ld_info *)ldibuf;
+ prevmodptr = NULL;
+ do {
+ if (strstr(progname, ldiptr->ldinfo_filename) == NULL &&
+ strstr(ldiptr->ldinfo_filename, "python") == NULL) {
+ /*
+ -- Extract only the modules belonging to the main
+ -- executable + those containing "python" as a
+ -- substring (like the "python[version]" binary or
+ -- "libpython[version].a" in case it's a shared lib).
+ */
+ offset = (unsigned int)ldiptr->ldinfo_next;
+ ldiptr = (struct ld_info *)((unsigned int)
+ ldiptr + offset);
+ continue;
+ }
+ if ((modptr = (ModulePtr)malloc(sizeof(Module))) == NULL) {
+ PyErr_SetString(PyExc_ImportError, strerror(errno));
+ while (*modlistptr) {
+ modptr = (ModulePtr)*modlistptr;
+ *modlistptr = (void *)modptr->next;
+ free(modptr);
+ }
+ return -1;
+ }
+ modptr->entry = ldiptr->ldinfo_dataorg;
+ modptr->next = NULL;
+ if (prevmodptr == NULL)
+ *modlistptr = (void *)modptr;
+ else
+ prevmodptr->next = modptr;
+ prevmodptr = modptr;
+ offset = (unsigned int)ldiptr->ldinfo_next;
+ ldiptr = (struct ld_info *)((unsigned int)ldiptr + offset);
+ } while (offset);
+ free(ldibuf);
+ return 0;
+}
+
+static int
+aix_bindnewmodule(newmoduleptr, modlistptr)
+ void *newmoduleptr;
+ void *modlistptr;
+{
+ register ModulePtr modptr;
+
+ /*
+ -- Bind the new module with the list of loaded modules.
+ */
+ for (modptr = (ModulePtr)modlistptr; modptr; modptr = modptr->next)
+ if (loadbind(0, modptr->entry, newmoduleptr) != 0)
+ return -1;
+ return 0;
+}
+
+static void
+aix_loaderror(pathname)
+ char *pathname;
+{
+
+ char *message[1024], errbuf[1024];
+ register int i,j;
+
+ struct errtab {
+ int errNo;
+ char *errstr;
+ } load_errtab[] = {
+ {L_ERROR_TOOMANY, "too many errors, rest skipped."},
+ {L_ERROR_NOLIB, "can't load library:"},
+ {L_ERROR_UNDEF, "can't find symbol in library:"},
+ {L_ERROR_RLDBAD,
+ "RLD index out of range or bad relocation type:"},
+ {L_ERROR_FORMAT, "not a valid, executable xcoff file:"},
+ {L_ERROR_MEMBER,
+ "file not an archive or does not contain requested member:"},
+ {L_ERROR_TYPE, "symbol table mismatch:"},
+ {L_ERROR_ALIGN, "text alignment in file is wrong."},
+ {L_ERROR_SYSTEM, "System error:"},
+ {L_ERROR_ERRNO, NULL}
+ };
+
+#define LOAD_ERRTAB_LEN (sizeof(load_errtab)/sizeof(load_errtab[0]))
+#define ERRBUF_APPEND(s) strncat(errbuf, s, sizeof(errbuf)-strlen(errbuf)-1)
+
+ sprintf(errbuf, "from module %.200s ", pathname);
+
+ if (!loadquery(L_GETMESSAGES, &message[0], sizeof(message))) {
+ ERRBUF_APPEND(strerror(errno));
+ ERRBUF_APPEND("\n");
+ }
+ for(i = 0; message[i] && *message[i]; i++) {
+ int nerr = atoi(message[i]);
+ for (j=0; j<LOAD_ERRTAB_LEN ; j++) {
+ if (nerr == load_errtab[j].errNo && load_errtab[j].errstr)
+ ERRBUF_APPEND(load_errtab[j].errstr);
+ }
+ while (isdigit(*message[i])) message[i]++ ;
+ ERRBUF_APPEND(message[i]);
+ ERRBUF_APPEND("\n");
+ }
+ errbuf[strlen(errbuf)-1] = '\0'; /* trim off last newline */
+ PyErr_SetString(PyExc_ImportError, errbuf);
+ return;
+}
+
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p;
+
+ /*
+ -- Invoke load() with L_NOAUTODEFER leaving the imported symbols
+ -- of the shared module unresolved. Thus we have to resolve them
+ -- explicitely with loadbind. The new module is loaded, then we
+ -- resolve its symbols using the list of already loaded modules
+ -- (only those that belong to the python executable). Get these
+ -- with loadquery(L_GETINFO).
+ */
+
+ static void *staticmodlistptr = NULL;
+
+ if (!staticmodlistptr)
+ if (aix_getoldmodules(&staticmodlistptr) == -1)
+ return NULL;
+ p = (dl_funcptr) aix_load(pathname, L_NOAUTODEFER, 0);
+ if (p == NULL) {
+ aix_loaderror(pathname);
+ return NULL;
+ }
+ if (aix_bindnewmodule((void *)p, staticmodlistptr) == -1) {
+ aix_loaderror(pathname);
+ return NULL;
+ }
+
+ return p;
+}
diff --git a/Python/dynload_beos.c b/Python/dynload_beos.c
new file mode 100644
index 0000000000..4b4a49a57d
--- /dev/null
+++ b/Python/dynload_beos.c
@@ -0,0 +1,280 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#include <kernel/image.h>
+#include <kernel/OS.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "Python.h"
+#include "importdl.h"
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".so", "rb", C_EXTENSION},
+ {"module.so", "rb", C_EXTENSION},
+ {0, 0}
+};
+
+#if defined(MAXPATHLEN) && !defined(_SYS_PARAM_H)
+#undef MAXPATHLEN
+#endif
+
+#ifdef WITH_THREAD
+#include "pythread.h"
+static PyThread_type_lock beos_dyn_lock;
+#endif
+
+static PyObject *beos_dyn_images = NULL;
+
+/* ----------------------------------------------------------------------
+ * BeOS dynamic loading support
+ *
+ * This uses shared libraries, but BeOS has its own way of doing things
+ * (much easier than dlfnc.h, from the look of things). We'll use a
+ * Python Dictionary object to store the images_ids so we can be very
+ * nice and unload them when we exit.
+ *
+ * Note that this is thread-safe. Probably irrelevent, because of losing
+ * systems... Python probably disables threads while loading modules.
+ * Note the use of "probably"! Better to be safe than sorry. [chrish]
+ *
+ * As of 1.5.1 this should also work properly when you've configured
+ * Python without thread support; the 1.5 version required it, which wasn't
+ * very friendly. Note that I haven't tested it without threading... why
+ * would you want to avoid threads on BeOS? [chrish]
+ *
+ * As of 1.5.2, the PyImport_BeImageID() function has been removed; Donn
+ * tells me it's not necessary anymore because of PyCObject_Import().
+ * [chrish]
+ */
+
+/* Whack an item; the item is an image_id in disguise, so we'll call
+ * unload_add_on() for it.
+ */
+static void beos_nuke_dyn( PyObject *item )
+{
+ status_t retval;
+
+ if( item ) {
+ image_id id = (image_id)PyInt_AsLong( item );
+
+ retval = unload_add_on( id );
+ }
+}
+
+/* atexit() handler that'll call unload_add_on() for every item in the
+ * dictionary.
+ */
+static void beos_cleanup_dyn( void )
+{
+ if( beos_dyn_images ) {
+ int idx;
+ int list_size;
+ PyObject *id_list;
+
+#ifdef WITH_THREAD
+ PyThread_acquire_lock( beos_dyn_lock, 1 );
+#endif
+
+ id_list = PyDict_Values( beos_dyn_images );
+
+ list_size = PyList_Size( id_list );
+ for( idx = 0; idx < list_size; idx++ ) {
+ PyObject *the_item;
+
+ the_item = PyList_GetItem( id_list, idx );
+ beos_nuke_dyn( the_item );
+ }
+
+ PyDict_Clear( beos_dyn_images );
+
+#ifdef WITH_THREAD
+ PyThread_free_lock( beos_dyn_lock );
+#endif
+ }
+}
+
+/*
+ * Initialize our dictionary, and the dictionary mutex.
+ */
+static void beos_init_dyn( void )
+{
+ /* We're protected from a race condition here by the atomic init_count
+ * variable.
+ */
+ static int32 init_count = 0;
+ int32 val;
+
+ val = atomic_add( &init_count, 1 );
+ if( beos_dyn_images == NULL && val == 0 ) {
+ beos_dyn_images = PyDict_New();
+#ifdef WITH_THREAD
+ beos_dyn_lock = PyThread_allocate_lock();
+#endif
+ atexit( beos_cleanup_dyn );
+ }
+}
+
+/*
+ * Add an image_id to the dictionary; the module name of the loaded image
+ * is the key. Note that if the key is already in the dict, we unload
+ * that image; this should allow reload() to work on dynamically loaded
+ * modules (super-keen!).
+ */
+static void beos_add_dyn( char *name, image_id id )
+{
+ int retval;
+ PyObject *py_id;
+
+ if( beos_dyn_images == NULL ) {
+ beos_init_dyn();
+ }
+
+#ifdef WITH_THREAD
+ retval = PyThread_acquire_lock( beos_dyn_lock, 1 );
+#endif
+
+ /* If there's already an object with this key in the dictionary,
+ * we're doing a reload(), so let's nuke it.
+ */
+ py_id = PyDict_GetItemString( beos_dyn_images, name );
+ if( py_id ) {
+ beos_nuke_dyn( py_id );
+ retval = PyDict_DelItemString( beos_dyn_images, name );
+ }
+
+ py_id = PyInt_FromLong( (long)id );
+ if( py_id ) {
+ retval = PyDict_SetItemString( beos_dyn_images, name, py_id );
+ }
+
+#ifdef WITH_THREAD
+ PyThread_release_lock( beos_dyn_lock );
+#endif
+}
+
+
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p;
+ image_id the_id;
+ status_t retval;
+ char fullpath[PATH_MAX];
+
+ if( Py_VerboseFlag ) {
+ printf( "load_add_on( %s )\n", pathname );
+ }
+
+ /* Hmm, this old bug appears to have regenerated itself; if the
+ * path isn't absolute, load_add_on() will fail. Reported to Be
+ * April 21, 1998.
+ */
+ if( pathname[0] != '/' ) {
+ (void)getcwd( fullpath, PATH_MAX );
+ (void)strncat( fullpath, "/", PATH_MAX );
+ (void)strncat( fullpath, pathname, PATH_MAX );
+
+ if( Py_VerboseFlag ) {
+ printf( "load_add_on( %s )\n", fullpath );
+ }
+ } else {
+ (void)strcpy( fullpath, pathname );
+ }
+
+ the_id = load_add_on( fullpath );
+ if( the_id < B_NO_ERROR ) {
+ /* It's too bad load_add_on() doesn't set errno or something...
+ */
+ char buff[256]; /* hate hard-coded string sizes... */
+
+ if( Py_VerboseFlag ) {
+ printf( "load_add_on( %s ) failed", fullpath );
+ }
+
+ switch( the_id ) {
+ case B_ERROR:
+ sprintf( buff, "BeOS: Failed to load %.200s", fullpath );
+ break;
+ default:
+ sprintf( buff, "Unknown error loading %.200s", fullpath );
+ break;
+ }
+
+ PyErr_SetString( PyExc_ImportError, buff );
+ return NULL;
+ }
+
+ if( Py_VerboseFlag ) {
+ printf( "get_image_symbol( %s )\n", funcname );
+ }
+
+ retval = get_image_symbol( the_id, funcname, B_SYMBOL_TYPE_TEXT, &p );
+ if( retval != B_NO_ERROR || p == NULL ) {
+ /* That's bad, we can't find that symbol in the module...
+ */
+ char buff[256]; /* hate hard-coded string sizes... */
+
+ if( Py_VerboseFlag ) {
+ printf( "get_image_symbol( %s ) failed", funcname );
+ }
+
+ switch( retval ) {
+ case B_BAD_IMAGE_ID:
+ sprintf( buff, "can't load init function for dynamic module: "
+ "Invalid image ID for %.180s", fullpath );
+ break;
+ case B_BAD_INDEX:
+ sprintf( buff, "can't load init function for dynamic module: "
+ "Bad index for %.180s", funcname );
+ break;
+ default:
+ sprintf( buff, "can't load init function for dynamic module: "
+ "Unknown error looking up %.180s", funcname );
+ break;
+ }
+
+ retval = unload_add_on( the_id );
+
+ PyErr_SetString( PyExc_ImportError, buff );
+ return NULL;
+ }
+
+ /* Save the module name and image ID for later so we can clean up
+ * gracefully.
+ */
+ beos_add_dyn( name, the_id );
+
+ return p;
+}
diff --git a/Python/dynload_dl.c b/Python/dynload_dl.c
new file mode 100644
index 0000000000..3b445ceb4f
--- /dev/null
+++ b/Python/dynload_dl.c
@@ -0,0 +1,53 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#include "dl.h"
+
+#include "Python.h"
+#include "importdl.h"
+
+
+extern char *Py_GetProgramName();
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".o", "rb", C_EXTENSION},
+ {"module.o", "rb", C_EXTENSION},
+ {0, 0}
+};
+
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ return dl_loadmod(Py_GetProgramName(), pathname, funcname);
+}
diff --git a/Python/dynload_hpux.c b/Python/dynload_hpux.c
new file mode 100644
index 0000000000..4379cbee21
--- /dev/null
+++ b/Python/dynload_hpux.c
@@ -0,0 +1,77 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#include "dl.h"
+#include <errno.h>
+
+#include "Python.h"
+#include "importdl.h"
+
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".sl", "rb", C_EXTENSION},
+ {"module.sl", "rb", C_EXTENSION},
+ {0, 0}
+};
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p;
+ shl_t lib;
+ int flags;
+
+ flags = BIND_FIRST | BIND_DEFERRED;
+ if (Py_VerboseFlag) {
+ flags = DYNAMIC_PATH | BIND_FIRST | BIND_IMMEDIATE |
+ BIND_NONFATAL | BIND_VERBOSE;
+ printf("shl_load %s\n",pathname);
+ }
+ lib = shl_load(pathname, flags, 0);
+ /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
+ if (lib == NULL) {
+ char buf[256];
+ if (Py_VerboseFlag)
+ perror(pathname);
+ sprintf(buf, "Failed to load %.200s", pathname);
+ PyErr_SetString(PyExc_ImportError, buf);
+ return NULL;
+ }
+ if (Py_VerboseFlag)
+ printf("shl_findsym %s\n", funcname);
+ shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p);
+ if (p == NULL && Py_VerboseFlag)
+ perror(funcname);
+
+ return p;
+}
diff --git a/Python/dynload_mac.c b/Python/dynload_mac.c
new file mode 100644
index 0000000000..91619956e9
--- /dev/null
+++ b/Python/dynload_mac.c
@@ -0,0 +1,134 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#include "Python.h"
+#include "importdl.h"
+
+#include <Aliases.h>
+#include <CodeFragments.h>
+#ifdef SYMANTEC__CFM68K__ /* Really an older version of Universal Headers */
+#define CFragConnectionID ConnectionID
+#define kLoadCFrag 0x01
+#endif
+#ifdef USE_GUSI
+#include "TFileSpec.h" /* for Path2FSSpec() */
+#endif
+#include <Files.h>
+#include "macdefs.h"
+#include "macglue.h"
+
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".slb", "rb", C_EXTENSION},
+#ifdef __CFM68K__
+ {".CFM68K.slb", "rb", C_EXTENSION},
+#else
+ {".ppc.slb", "rb", C_EXTENSION},
+#endif
+ {0, 0}
+};
+
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p;
+
+ /*
+ ** Dynamic loading of CFM shared libraries on the Mac. The
+ ** code has become more convoluted than it was, because we
+ ** want to be able to put multiple modules in a single
+ ** file. For this reason, we have to determine the fragment
+ ** name, and we cannot use the library entry point but we have
+ ** to locate the correct init routine "by hand".
+ */
+ FSSpec libspec;
+ CFragConnectionID connID;
+ Ptr mainAddr;
+ Str255 errMessage;
+ OSErr err;
+#ifndef USE_GUSI
+ Boolean isfolder, didsomething;
+#endif
+ char buf[512];
+ Str63 fragname;
+ Ptr symAddr;
+ CFragSymbolClass class;
+
+ /* First resolve any aliases to find the real file */
+#ifdef USE_GUSI
+ err = Path2FSSpec(pathname, &libspec);
+#else
+ (void)FSMakeFSSpec(0, 0, Pstring(pathname), &libspec);
+ err = ResolveAliasFile(&libspec, 1, &isfolder, &didsomething);
+#endif
+ if ( err ) {
+ sprintf(buf, "%.255s: %.200s",
+ pathname, PyMac_StrError(err));
+ PyErr_SetString(PyExc_ImportError, buf);
+ return NULL;
+ }
+ /* Next, determine the fragment name,
+ by stripping '.slb' and 'module' */
+ memcpy(fragname+1, libspec.name+1, libspec.name[0]);
+ fragname[0] = libspec.name[0];
+ if( strncmp((char *)(fragname+1+fragname[0]-4),
+ ".slb", 4) == 0 )
+ fragname[0] -= 4;
+ if ( strncmp((char *)(fragname+1+fragname[0]-6),
+ "module", 6) == 0 )
+ fragname[0] -= 6;
+ /* Load the fragment
+ (or return the connID if it is already loaded */
+ err = GetDiskFragment(&libspec, 0, 0, fragname,
+ kLoadCFrag, &connID, &mainAddr,
+ errMessage);
+ if ( err ) {
+ sprintf(buf, "%.*s: %.200s",
+ errMessage[0], errMessage+1,
+ PyMac_StrError(err));
+ PyErr_SetString(PyExc_ImportError, buf);
+ return NULL;
+ }
+ /* Locate the address of the correct init function */
+ err = FindSymbol(connID, Pstring(funcname), &symAddr, &class);
+ if ( err ) {
+ sprintf(buf, "%s: %.200s",
+ funcname, PyMac_StrError(err));
+ PyErr_SetString(PyExc_ImportError, buf);
+ return NULL;
+ }
+ p = (dl_funcptr)symAddr;
+
+ return p;
+}
diff --git a/Python/dynload_next.c b/Python/dynload_next.c
new file mode 100644
index 0000000000..bcb9e4bb37
--- /dev/null
+++ b/Python/dynload_next.c
@@ -0,0 +1,194 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#include "Python.h"
+#include "importdl.h"
+
+
+#ifdef WITH_DYLD
+
+#define USE_DYLD
+
+#include <mach-o/dyld.h>
+
+#else /* WITH_DYLD */
+
+#define USE_RLD
+/* Define this to 1 if you want be able to load ObjC modules as well:
+ it switches between two different way of loading modules on the NeXT,
+ one that directly interfaces with the dynamic loader (rld_load(), which
+ does not correctly load ObjC object files), and another that uses the
+ ObjC runtime (objc_loadModules()) to do the job.
+ You'll have to add ``-ObjC'' to the compiler flags if you set this to 1.
+*/
+#define HANDLE_OBJC_MODULES 1
+#if HANDLE_OBJC_MODULES
+#include <objc/Object.h>
+#include <objc/objc-load.h>
+#endif
+
+#include <mach-o/rld.h>
+
+#endif /* WITH_DYLD */
+
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".so", "rb", C_EXTENSION},
+ {"module.so", "rb", C_EXTENSION},
+ {0, 0}
+};
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p = NULL;
+
+#ifdef USE_RLD
+ {
+ NXStream *errorStream;
+ struct mach_header *new_header;
+ const char *filenames[2];
+ long ret;
+ unsigned long ptr;
+
+ errorStream = NXOpenMemory(NULL, 0, NX_WRITEONLY);
+ filenames[0] = pathname;
+ filenames[1] = NULL;
+
+#if HANDLE_OBJC_MODULES
+
+/* The following very bogus line of code ensures that
+ objc_msgSend, etc are linked into the binary. Without
+ it, dynamic loading of a module that includes objective-c
+ method calls will fail with "undefined symbol _objc_msgSend()".
+ This remains true even in the presence of the -ObjC flag
+ to the compiler
+*/
+
+ [Object name];
+
+/* objc_loadModules() dynamically loads the object files
+ indicated by the paths in filenames. If there are any
+ errors generated during loading -- typically due to the
+ inability to find particular symbols -- an error message
+ will be written to errorStream.
+ It returns 0 if the module is successfully loaded, 1
+ otherwise.
+*/
+
+ ret = !objc_loadModules(filenames, errorStream,
+ NULL, &new_header, NULL);
+
+#else /* !HANDLE_OBJC_MODULES */
+
+ ret = rld_load(errorStream, &new_header,
+ filenames, NULL);
+
+#endif /* HANDLE_OBJC_MODULES */
+
+ /* extract the error messages for the exception */
+ if(!ret) {
+ char *streamBuf;
+ int len, maxLen;
+
+ NXPutc(errorStream, (char)0);
+
+ NXGetMemoryBuffer(errorStream,
+ &streamBuf, &len, &maxLen);
+ PyErr_SetString(PyExc_ImportError, streamBuf);
+ }
+
+ if(ret && rld_lookup(errorStream, funcname, &ptr))
+ p = (dl_funcptr) ptr;
+
+ NXCloseMemory(errorStream, NX_FREEBUFFER);
+
+ if(!ret)
+ return NULL;
+ }
+#endif /* USE_RLD */
+#ifdef USE_DYLD
+ /* This is also NeXT-specific. However, frameworks (the new style
+ of shared library) and rld() can't be used in the same program;
+ instead, you have to use dyld, which is mostly unimplemented. */
+ {
+ NSObjectFileImageReturnCode rc;
+ NSObjectFileImage image;
+ NSModule newModule;
+ NSSymbol theSym;
+ void *symaddr;
+ const char *errString;
+
+ rc = NSCreateObjectFileImageFromFile(pathname, &image);
+ switch(rc) {
+ default:
+ case NSObjectFileImageFailure:
+ NSObjectFileImageFormat:
+ /* for these a message is printed on stderr by dyld */
+ errString = "Can't create object file image";
+ break;
+ case NSObjectFileImageSuccess:
+ errString = NULL;
+ break;
+ case NSObjectFileImageInappropriateFile:
+ errString = "Inappropriate file type for dynamic loading";
+ break;
+ case NSObjectFileImageArch:
+ errString = "Wrong CPU type in object file";
+ break;
+ NSObjectFileImageAccess:
+ errString = "Can't read object file (no access)";
+ break;
+ }
+ if (errString == NULL) {
+ newModule = NSLinkModule(image, pathname, TRUE);
+ if (!newModule)
+ errString = "Failure linking new module";
+ }
+ if (errString != NULL) {
+ PyErr_SetString(PyExc_ImportError, errString);
+ return NULL;
+ }
+ if (!NSIsSymbolNameDefined(funcname)) {
+ /* UnlinkModule() isn't implimented in current versions, but calling it does no harm */
+ NSUnLinkModule(newModule, FALSE);
+ PyErr_Format(PyExc_ImportError, "Loaded module does not contain symbol %s", funcname);
+ return NULL;
+ }
+ theSym = NSLookupAndBindSymbol(funcname);
+ p = (dl_funcptr)NSAddressOfSymbol(theSym);
+ }
+#endif /* USE_DYLD */
+
+ return p;
+}
diff --git a/Python/dynload_os2.c b/Python/dynload_os2.c
new file mode 100644
index 0000000000..6090c3300b
--- /dev/null
+++ b/Python/dynload_os2.c
@@ -0,0 +1,74 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#define INCL_DOSERRORS
+#define INCL_DOSMODULEMGR
+#include <os2.h>
+
+#include "Python.h"
+#include "importdl.h"
+
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".pyd", "rb", C_EXTENSION},
+ {".dll", "rb", C_EXTENSION},
+ {0, 0}
+};
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p;
+ APIRET rc;
+ HMODULE hDLL;
+ char failreason[256];
+
+ rc = DosLoadModule(failreason,
+ sizeof(failreason),
+ pathname,
+ &hDLL);
+
+ if (rc != NO_ERROR) {
+ char errBuf[256];
+ sprintf(errBuf,
+ "DLL load failed, rc = %d: %s",
+ rc, failreason);
+ PyErr_SetString(PyExc_ImportError, errBuf);
+ return NULL;
+ }
+
+ rc = DosQueryProcAddr(hDLL, 0L, funcname, &p);
+ if (rc != NO_ERROR)
+ p = NULL; /* Signify Failure to Acquire Entrypoint */
+ return p;
+}
diff --git a/Python/dynload_shlib.c b/Python/dynload_shlib.c
new file mode 100644
index 0000000000..d3c5a6ee34
--- /dev/null
+++ b/Python/dynload_shlib.c
@@ -0,0 +1,110 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#include "Python.h"
+#include "importdl.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#if defined(__NetBSD__) && (NetBSD < 199712)
+#include <nlist.h>
+#include <link.h>
+#define dlerror() "error in dynamic linking"
+#else
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+#endif
+
+#ifndef RTLD_LAZY
+#define RTLD_LAZY 1
+#endif
+
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".so", "rb", C_EXTENSION},
+ {"module.so", "rb", C_EXTENSION},
+ {0, 0}
+};
+
+static struct {
+ dev_t dev;
+ ino_t ino;
+ void *handle;
+} handles[128];
+static int nhandles = 0;
+
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p;
+ void *handle;
+
+ if (fp != NULL) {
+ int i;
+ struct stat statb;
+ fstat(fileno(fp), &statb);
+ for (i = 0; i < nhandles; i++) {
+ if (statb.st_dev == handles[i].dev &&
+ statb.st_ino == handles[i].ino) {
+ p = (dl_funcptr) dlsym(handles[i].handle,
+ funcname);
+ return p;
+ }
+ }
+ if (nhandles < 128) {
+ handles[nhandles].dev = statb.st_dev;
+ handles[nhandles].ino = statb.st_ino;
+ }
+ }
+
+#ifdef RTLD_NOW
+ /* RTLD_NOW: resolve externals now
+ (i.e. core dump now if some are missing) */
+ handle = dlopen(pathname, RTLD_NOW);
+#else
+ if (Py_VerboseFlag)
+ printf("dlopen(\"%s\", %d);\n", pathname,
+ RTLD_LAZY);
+ handle = dlopen(pathname, RTLD_LAZY);
+#endif /* RTLD_NOW */
+ if (handle == NULL) {
+ PyErr_SetString(PyExc_ImportError, dlerror());
+ return NULL;
+ }
+ if (fp != NULL && nhandles < 128)
+ handles[nhandles++].handle = handle;
+ p = (dl_funcptr) dlsym(handle, funcname);
+ return p;
+}
diff --git a/Python/dynload_stub.c b/Python/dynload_stub.c
new file mode 100644
index 0000000000..85dd801d24
--- /dev/null
+++ b/Python/dynload_stub.c
@@ -0,0 +1,41 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* This module provides the necessary stubs for when dynamic loading is
+ not present. */
+
+#include "Python.h"
+#include "importdl.h"
+
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {0, 0}
+};
diff --git a/Python/dynload_win.c b/Python/dynload_win.c
new file mode 100644
index 0000000000..9e68cac35d
--- /dev/null
+++ b/Python/dynload_win.c
@@ -0,0 +1,149 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#include <windows.h>
+#include <direct.h>
+
+#include "Python.h"
+#include "importdl.h"
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+#ifdef _DEBUG
+ {"_d.pyd", "rb", C_EXTENSION},
+ {"_d.dll", "rb", C_EXTENSION},
+#else
+ {".pyd", "rb", C_EXTENSION},
+ {".dll", "rb", C_EXTENSION},
+#endif
+ {0, 0}
+};
+
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p;
+
+#ifdef MS_WIN32
+ {
+ HINSTANCE hDLL;
+ char pathbuf[260];
+ if (strchr(pathname, '\\') == NULL &&
+ strchr(pathname, '/') == NULL)
+ {
+ /* Prefix bare filename with ".\" */
+ char *p = pathbuf;
+ *p = '\0';
+ _getcwd(pathbuf, sizeof pathbuf);
+ if (*p != '\0' && p[1] == ':')
+ p += 2;
+ sprintf(p, ".\\%-.255s", pathname);
+ pathname = pathbuf;
+ }
+ /* Look for dependent DLLs in directory of pathname first */
+ /* XXX This call doesn't exist in Windows CE */
+ hDLL = LoadLibraryEx(pathname, NULL,
+ LOAD_WITH_ALTERED_SEARCH_PATH);
+ if (hDLL==NULL){
+ char errBuf[256];
+ unsigned int errorCode;
+
+ /* Get an error string from Win32 error code */
+ char theInfo[256]; /* Pointer to error text
+ from system */
+ int theLength; /* Length of error text */
+
+ errorCode = GetLastError();
+
+ theLength = FormatMessage(
+ FORMAT_MESSAGE_FROM_SYSTEM, /* flags */
+ NULL, /* message source */
+ errorCode, /* the message (error) ID */
+ 0, /* default language environment */
+ (LPTSTR) theInfo, /* the buffer */
+ sizeof(theInfo), /* the buffer size */
+ NULL); /* no additional format args. */
+
+ /* Problem: could not get the error message.
+ This should not happen if called correctly. */
+ if (theLength == 0) {
+ sprintf(errBuf,
+ "DLL load failed with error code %d",
+ errorCode);
+ } else {
+ int len;
+ /* For some reason a \r\n
+ is appended to the text */
+ if (theLength >= 2 &&
+ theInfo[theLength-2] == '\r' &&
+ theInfo[theLength-1] == '\n') {
+ theLength -= 2;
+ theInfo[theLength] = '\0';
+ }
+ strcpy(errBuf, "DLL load failed: ");
+ len = strlen(errBuf);
+ strncpy(errBuf+len, theInfo,
+ sizeof(errBuf)-len);
+ errBuf[sizeof(errBuf)-1] = '\0';
+ }
+ PyErr_SetString(PyExc_ImportError, errBuf);
+ return NULL;
+ }
+ p = GetProcAddress(hDLL, funcname);
+ }
+#endif /* MS_WIN32 */
+#ifdef MS_WIN16
+ {
+ HINSTANCE hDLL;
+ char pathbuf[16];
+ if (strchr(pathname, '\\') == NULL &&
+ strchr(pathname, '/') == NULL)
+ {
+ /* Prefix bare filename with ".\" */
+ sprintf(pathbuf, ".\\%-.13s", pathname);
+ pathname = pathbuf;
+ }
+ hDLL = LoadLibrary(pathname);
+ if (hDLL < HINSTANCE_ERROR){
+ char errBuf[256];
+ sprintf(errBuf,
+ "DLL load failed with error code %d", hDLL);
+ PyErr_SetString(PyExc_ImportError, errBuf);
+ return NULL;
+ }
+ p = GetProcAddress(hDLL, funcname);
+ }
+#endif /* MS_WIN16 */
+
+ return p;
+}
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