From 00b299afea859017089328a4214b7eacb8c3b515 Mon Sep 17 00:00:00 2001 From: Guido van Rossum Date: Wed, 13 Aug 1997 21:38:04 +0000 Subject: [PATCH] removed getpath_nt.c in favor of revamped getpathp.c --- PC/getpath_nt.c | 203 ------------------------------------------------ 1 file changed, 203 deletions(-) delete mode 100644 PC/getpath_nt.c diff --git a/PC/getpath_nt.c b/PC/getpath_nt.c deleted file mode 100644 index d960d15ef53..00000000000 --- a/PC/getpath_nt.c +++ /dev/null @@ -1,203 +0,0 @@ -#include "Python.h" -#include "osdefs.h" -#include - -/* PREFIX and EXEC_PREFIX are meaningless on Windows */ - -#ifndef PREFIX -#define PREFIX "" -#endif - -#ifndef EXEC_PREFIX -#define EXEC_PREFIX "" -#endif - -/* -This is a special Win32 version of getpath. - -* There is no default path. There is nothing even remotely resembling - a standard location. Maybe later "Program Files/Python", but not yet. - -* The Registry is used as the primary store for the Python path. - -* The environment variable PYTHONPATH _overrides_ the registry. This should - allow a "standard" Python environment, but allow you to manually setup - another (eg, a beta version). - -*/ - -BOOL PyWin_IsWin32s() -{ - static BOOL bIsWin32s = -1; // flag as "not yet looked" - - if (bIsWin32s==-1) { - OSVERSIONINFO ver; - ver.dwOSVersionInfoSize = sizeof(ver); - GetVersionEx(&ver); - bIsWin32s = ver.dwPlatformId == VER_PLATFORM_WIN32s; - } - return bIsWin32s; -} - -/* Load a PYTHONPATH value from the registry - Load from either HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER - - Returns NULL, or a pointer that should be free'd. -*/ -static char * -getpythonregpath(HKEY keyBase, BOOL bWin32s) -{ - HKEY newKey = 0; - DWORD nameSize = 0; - DWORD dataSize = 0; - DWORD numEntries = 0; - LONG rc; - char *retval = NULL; - char *dataBuf; - if ((rc=RegOpenKey(keyBase, "Software\\Python\\PythonCore\\" MS_DLL_ID "\\PythonPath", - &newKey))==ERROR_SUCCESS) { - RegQueryInfoKey(newKey, NULL, NULL, NULL, NULL, NULL, NULL, - &numEntries, &nameSize, &dataSize, NULL, NULL ); - } - if (bWin32s && numEntries==0 && dataSize==0) { /* must hardcode for Win32s */ - numEntries = 1; - dataSize = 511; - } - if (numEntries) { - /* Loop over all subkeys. */ - /* Win32s doesnt know how many subkeys, so we do - it twice */ - char keyBuf[MAX_PATH+1]; - int index = 0; - int off = 0; - for(index=0;;index++) { - long reqdSize = 0; - DWORD rc = RegEnumKey(newKey, index, keyBuf,MAX_PATH+1); - if (rc) break; - rc = RegQueryValue(newKey, keyBuf, NULL, &reqdSize); - if (rc) break; - if (bWin32s && reqdSize==0) reqdSize = 512; - dataSize += reqdSize + 1; /* 1 for the ";" */ - } - dataBuf = malloc(dataSize+1); - if (dataBuf==NULL) return NULL; /* pretty serious? Raise error? */ - /* Now loop over, grabbing the paths. Subkeys before main library */ - for(index=0;;index++) { - int adjust; - long reqdSize = dataSize; - DWORD rc = RegEnumKey(newKey, index, keyBuf,MAX_PATH+1); - if (rc) break; - rc = RegQueryValue(newKey, keyBuf, dataBuf+off, &reqdSize); - if (rc) break; - if (reqdSize>1) { // If Nothing, or only '\0' copied. - adjust = strlen(dataBuf+off); - dataSize -= adjust; - off += adjust; - dataBuf[off++] = ';'; - dataBuf[off] = '\0'; - dataSize--; - } - } - /* Additionally, win32s doesnt work as expected, so - the specific strlen() is required for 3.1. */ - rc = RegQueryValue(newKey, "", dataBuf+off, &dataSize); - if (rc==ERROR_SUCCESS) { - if (strlen(dataBuf)==0) - free(dataBuf); - else - retval = dataBuf; // caller will free - } - else - free(dataBuf); - } - - if (newKey) - RegCloseKey(newKey); - return retval; -} -/* Return the initial python search path. This is called once from - initsys() to initialize sys.path. The environment variable - PYTHONPATH is fetched and the default path appended. The default - path may be passed to the preprocessor; if not, a system-dependent - default is used. */ - -char * -Py_GetPath() -{ - char *path = getenv("PYTHONPATH"); - char *defpath = PYTHONPATH; - static char *buf = NULL; - char *p; - int n; - extern char *Py_GetProgramName(); - - if (buf != NULL) { - free(buf); - buf = NULL; - } - - if (path == NULL) { - char *machinePath, *userPath; - int machineLen, userLen; - /* lookup the registry */ - BOOL bWin32s = PyWin_IsWin32s(); - - if (bWin32s) { /* are we running under Windows 3.1 Win32s */ - /* only CLASSES_ROOT is supported */ - machinePath = getpythonregpath(HKEY_CLASSES_ROOT, TRUE); - userPath = NULL; - } else { - machinePath = getpythonregpath(HKEY_LOCAL_MACHINE, FALSE); - userPath = getpythonregpath(HKEY_CURRENT_USER, FALSE); - } - if (machinePath==NULL && userPath==NULL) return defpath; - machineLen = machinePath ? strlen(machinePath) : 0; - userLen = userPath ? strlen(userPath) : 0; - n = machineLen + userLen + 1; - // this is a memory leak, as Python never frees it. Only ever called once, so big deal! - buf = malloc(n); - if (buf == NULL) - Py_FatalError("not enough memory to copy module search path"); - p = buf; - *p = '\0'; - if (machineLen) { - strcpy(p, machinePath); - p += machineLen; - } - if (userLen) { - if (machineLen) - *p++ = DELIM; - strcpy(p, userPath); - } - if (userPath) free(userPath); - if (machinePath) free(machinePath); - } else { - - buf = malloc(strlen(path)+1); - if (buf == NULL) - Py_FatalError("not enough memory to copy module search path"); - strcpy(buf, path); - } - return buf; -} - -/* Similar for Makefile variables $prefix and $exec_prefix */ - -char * -Py_GetPrefix() -{ - return PREFIX; -} - -char * -Py_GetExecPrefix() -{ - return EXEC_PREFIX; -} - -char * -Py_GetProgramFullPath() -{ - extern char *Py_GetProgramName(); - return Py_GetProgramName(); -}