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authorGuido van Rossum <guido@python.org>1997-04-29 20:08:16 (GMT)
committerGuido van Rossum <guido@python.org>1997-04-29 20:08:16 (GMT)
commit79f25d9a7b853a9f491a0cfe4b81eeb9e2d19569 (patch)
tree5e456453855bd2906af42f998d70f17e8b834cba /Python/importdl.c
parent65bf9f265e4052c3eee95cd73f8de66bc92e53bf (diff)
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Quickly renamed the remaining files -- this directory is done.
Diffstat (limited to 'Python/importdl.c')
-rw-r--r--Python/importdl.c150
1 files changed, 84 insertions, 66 deletions
diff --git a/Python/importdl.c b/Python/importdl.c
index 6541e09..16271d6 100644
--- a/Python/importdl.c
+++ b/Python/importdl.c
@@ -32,7 +32,7 @@ PERFORMANCE OF THIS SOFTWARE.
/* Support for dynamic loading of extension modules */
/* If no dynamic linking is supported, this file still generates some code! */
-#include "allobjects.h"
+#include "Python.h"
#include "osdefs.h"
#include "importdl.h"
@@ -167,7 +167,7 @@ typedef void (*dl_funcptr)();
#ifdef USE_MAC_DYNAMIC_LOADING
#include <Aliases.h>
#include <CodeFragments.h>
-#ifdef SYMANTEC__CFM68K__ /* Really just an older version of Universal Headers */
+#ifdef SYMANTEC__CFM68K__ /* Really an older version of Universal Headers */
#define CFragConnectionID ConnectionID
#define kLoadCFrag 0x01
#endif
@@ -184,7 +184,7 @@ typedef void (*dl_funcptr)();
#endif
#endif /* USE_RLD */
-extern char *getprogramname();
+extern char *Py_GetProgramName();
#ifndef FUNCNAME_PATTERN
#if defined(__hp9000s300) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__BORLANDC__)
@@ -207,9 +207,9 @@ extern char *getprogramname();
#endif
/* Pass it on to import.c */
-int import_maxsuffixsize = MAXSUFFIXSIZE;
+int _PyImport_MaxSuffixSize = MAXSUFFIXSIZE;
-struct filedescr import_filetab[] = {
+struct filedescr _PyImport_Filetab[] = {
#ifdef SHORT_EXT
{SHORT_EXT, "rb", C_EXTENSION},
#endif /* !SHORT_EXT */
@@ -225,17 +225,18 @@ struct filedescr import_filetab[] = {
#undef DYNAMIC_LINK
#endif
-object *
-load_dynamic_module(name, pathname, fp)
+PyObject *
+_PyImport_LoadDynamicModule(name, pathname, fp)
char *name;
char *pathname;
FILE *fp;
{
#ifndef DYNAMIC_LINK
- err_setstr(ImportError, "dynamically linked modules not supported");
+ PyErr_SetString(PyExc_ImportError,
+ "dynamically linked modules not supported");
return NULL;
#else
- object *m, *d, *s;
+ PyObject *m, *d, *s;
char funcname[258];
dl_funcptr p = NULL;
#ifdef USE_SHLIB
@@ -274,11 +275,12 @@ load_dynamic_module(name, pathname, fp)
#endif /* USE_SHLIB */
#ifdef USE_MAC_DYNAMIC_LOADING
/*
- ** 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".
+ ** 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;
@@ -297,30 +299,35 @@ load_dynamic_module(name, pathname, fp)
err = ResolveAliasFile(&libspec, 1, &isfolder, &didsomething);
if ( err ) {
sprintf(buf, "%s: %s", pathname, PyMac_StrError(err));
- err_setstr(ImportError, buf);
+ PyErr_SetString(PyExc_ImportError, buf);
return NULL;
}
- /* Next, determine the fragment name, by stripping '.slb' and 'module' */
+ /* 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 )
+ 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 )
+ 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 */
+ /* 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: %s", errMessage[0], errMessage+1, PyMac_StrError(err));
- err_setstr(ImportError, buf);
+ sprintf(buf, "%.*s: %s", 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: %s", funcname, PyMac_StrError(err));
- err_setstr(ImportError, buf);
+ PyErr_SetString(PyExc_ImportError, buf);
return NULL;
}
p = (dl_funcptr)symAddr;
@@ -334,12 +341,12 @@ load_dynamic_module(name, pathname, fp)
void *handle = dlopen(pathname, RTLD_NOW);
#else
void *handle;
- if (verbose)
+ if (Py_VerboseFlag)
printf("dlopen(\"%s\", %d);\n", pathname, RTLD_LAZY);
handle = dlopen(pathname, RTLD_LAZY);
#endif /* RTLD_NOW */
if (handle == NULL) {
- err_setstr(ImportError, dlerror());
+ PyErr_SetString(PyExc_ImportError, dlerror());
return NULL;
}
if (fp != NULL && nhandles < 128)
@@ -382,35 +389,44 @@ load_dynamic_module(name, pathname, fp)
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 */
+ 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. */
+ 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);
+ 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') {
+ /* 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);
+ strncpy(errBuf+len, theInfo,
+ sizeof(errBuf)-len);
errBuf[sizeof(errBuf)-1] = '\0';
}
- err_setstr(ImportError, errBuf);
+ PyErr_SetString(PyExc_ImportError, errBuf);
return NULL;
}
p = GetProcAddress(hDLL, funcname);
@@ -422,15 +438,16 @@ load_dynamic_module(name, pathname, fp)
hDLL = LoadLibrary(pathname);
if (hDLL < HINSTANCE_ERROR){
char errBuf[256];
- sprintf(errBuf, "DLL load failed with error code %d", hDLL);
- err_setstr(ImportError, errBuf);
+ sprintf(errBuf,
+ "DLL load failed with error code %d", hDLL);
+ PyErr_SetString(PyExc_ImportError, errBuf);
return NULL;
}
p = GetProcAddress(hDLL, funcname);
}
#endif /* MS_WIN16 */
#ifdef USE_DL
- p = dl_loadmod(getprogramname(), pathname, funcname);
+ p = dl_loadmod(Py_GetProgramName(), pathname, funcname);
#endif /* USE_DL */
#ifdef USE_RLD
{
@@ -455,7 +472,7 @@ load_dynamic_module(name, pathname, fp)
NXGetMemoryBuffer(errorStream,
&streamBuf, &len, &maxLen);
- err_setstr(ImportError, streamBuf);
+ PyErr_SetString(PyExc_ImportError, streamBuf);
}
if(ret && rld_lookup(errorStream, funcname, &ptr))
@@ -473,25 +490,26 @@ load_dynamic_module(name, pathname, fp)
int flags;
flags = BIND_FIRST | BIND_DEFERRED;
- if (verbose)
+ if (Py_VerboseFlag)
{
- flags = DYNAMIC_PATH | BIND_FIRST | BIND_IMMEDIATE | BIND_NONFATAL | BIND_VERBOSE;
+ flags = DYNAMIC_PATH | BIND_FIRST | BIND_IMMEDIATE |
+ BIND_NONFATAL | BIND_VERBOSE;
printf("shl_load %s\n",pathname);
}
lib = shl_load(pathname, flags, 0);
if (lib == NULL)
{
char buf[256];
- if (verbose)
+ if (Py_VerboseFlag)
perror(pathname);
sprintf(buf, "Failed to load %.200s", pathname);
- err_setstr(ImportError, buf);
+ PyErr_SetString(PyExc_ImportError, buf);
return NULL;
}
- if (verbose)
+ if (Py_VerboseFlag)
printf("shl_findsym %s\n", funcname);
shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p);
- if (p == NULL && verbose)
+ if (p == NULL && Py_VerboseFlag)
perror(funcname);
}
#endif /* hpux */
@@ -499,31 +517,31 @@ load_dynamic_module(name, pathname, fp)
got_it:
#endif
if (p == NULL) {
- err_setstr(ImportError,
+ PyErr_SetString(PyExc_ImportError,
"dynamic module does not define init function");
return NULL;
}
(*p)();
/* XXX Need check for err_occurred() here */
- m = dictlookup(import_modules, name);
+ m = PyDict_GetItemString(import_modules, name);
if (m == NULL) {
- if (err_occurred() == NULL)
- err_setstr(SystemError,
+ if (PyErr_Occurred() == NULL)
+ PyErr_SetString(PyExc_SystemError,
"dynamic module not initialized properly");
return NULL;
}
/* Remember the filename as the __file__ attribute */
- d = getmoduledict(m);
- s = newstringobject(pathname);
- if (s == NULL || dictinsert(d, "__file__", s) != 0)
- err_clear(); /* Not important enough to report */
- XDECREF(s);
- if (verbose)
+ d = PyModule_GetDict(m);
+ s = PyString_FromString(pathname);
+ if (s == NULL || PyDict_SetItemString(d, "__file__", s) != 0)
+ PyErr_Clear(); /* Not important enough to report */
+ Py_XDECREF(s);
+ if (Py_VerboseFlag)
fprintf(stderr,
"import %s # dynamically loaded from %s\n",
name, pathname);
- INCREF(m);
+ Py_INCREF(m);
return m;
#endif /* DYNAMIC_LINK */
}
@@ -555,7 +573,7 @@ aix_getoldmodules(modlistptr)
-- Get the list of loaded modules into ld_info structures.
*/
if ((ldibuf = malloc(bufsize)) == NULL) {
- err_setstr(ImportError, strerror(errno));
+ PyErr_SetString(PyExc_ImportError, strerror(errno));
return -1;
}
while ((errflag = loadquery(L_GETINFO, ldibuf, bufsize)) == -1
@@ -563,12 +581,12 @@ aix_getoldmodules(modlistptr)
free(ldibuf);
bufsize += 1024;
if ((ldibuf = malloc(bufsize)) == NULL) {
- err_setstr(ImportError, strerror(errno));
+ PyErr_SetString(PyExc_ImportError, strerror(errno));
return -1;
}
}
if (errflag == -1) {
- err_setstr(ImportError, strerror(errno));
+ PyErr_SetString(PyExc_ImportError, strerror(errno));
return -1;
}
/*
@@ -578,7 +596,7 @@ aix_getoldmodules(modlistptr)
prevmodptr = NULL;
do {
if ((modptr = (ModulePtr)malloc(sizeof(Module))) == NULL) {
- err_setstr(ImportError, strerror(errno));
+ PyErr_SetString(PyExc_ImportError, strerror(errno));
while (*modlistptr) {
modptr = (ModulePtr)*modlistptr;
*modlistptr = (void *)modptr->next;
@@ -662,7 +680,7 @@ aix_loaderror(pathname)
ERRBUF_APPEND("\n");
}
errbuf[strlen(errbuf)-1] = '\0'; /* trim off last newline */
- err_setstr(ImportError, errbuf);
+ PyErr_SetString(PyExc_ImportError, errbuf);
return;
}