/** * Discovers all available JVMs. If no JVMs are discovered, returns NULL. * In addition to the standard directories, also looks in the additional * directories specified by the dirs array. Note that this directory list * replaces the default list ("jre","../jre") used by JVM_Find, it does not * adds new directories to the list. */ JVMSet * JVM_Find2(const Str dirs[], int n) { JVMSet * jvms = MEM_New(JVMSet); if (jvms) { memset(jvms, 0, sizeof(*jvms)); if (VECTOR_Init(&jvms->found, 0, JVM_VectorEquals, JVM_VectorFree)) { /* Look for JVMs in the Windows registry */ JVM_Discover(jvms); /* Look for JVMs in the additional directories */ if (n > 0) { int i; StrBuf sb,sb2; Char* baseDir = NULL; STRBUF_Init(&sb); STRBUF_Init(&sb2); TRACE("JNILIB: checking special directories\n"); for (i=0; i<n; i++) { Str javaHome = NULL; JvmPathType pathType = JVM_GetPathType(dirs[i]); if (pathType == JvmPathRelative) { LPTSTR filePath; TRACE1("JNILIB: relative path: %s\n",dirs[i]); if (baseDir) { STRBUF_Copy(&sb, baseDir); } else { int separator; JVM_GetModuleFileName(NULL,&sb); STRBUF_Replace(&sb, '/', '\\'); separator = STRBUF_LastIndexOf(&sb,'\\'); STRBUF_SetLength(&sb,separator+1); baseDir = STRBUF_Dup(&sb); if (!baseDir) continue; TRACE1("JNILIB: base dir: %s\n",baseDir); } STRBUF_Append(&sb, dirs[i]); STRBUF_Replace(&sb, '/', '\\'); STRBUF_Alloc(&sb2, STRBUF_Length(&sb)); sb2.len = GetFullPathName(STRBUF_Text(&sb), sb2.alloc, sb2.s, &filePath); ASSERT(sb2.len && sb2.s[0]); javaHome = STRBUF_Text(&sb2); } else if (pathType == JvmPathAbsolute) { TRACE1("JNILIB: absolute path: %s\n",dirs[i]); javaHome = dirs[i]; } else if (pathType == JvmPathSystem) { /* directory on the system drive */ TRACE1("JNILIB: system path: %s\n",dirs[i]); STRBUF_Alloc(&sb,GetSystemDirectory(NULL,0)+1); STRBUF_SetLength(&sb,GetSystemDirectory(sb.s,sb.alloc)); STRBUF_Clear(&sb2); STRBUF_AppendChar(&sb2,STRBUF_CharAt(&sb,0)); STRBUF_AppendChar(&sb2,':'); STRBUF_Append(&sb2, dirs[i]); javaHome = STRBUF_Text(&sb2); } else { TRACE1("JNILIB: invalid path: %s\n",dirs[i]); continue; } if (javaHome) { TRACE1("JNILIB: Java home: %s\n",javaHome); if (FILE_IsDir(javaHome)) { JVM* jvm = JVM_CreateDirContext(javaHome); if (jvm) { jvm->flags |= JVM_FLAG_SPECIAL; if (JVM_Add(jvms, jvm) && !jvms->specialVM) { jvms->specialVM = jvm; } } } else { TRACE1("JNILIB: no such directory: %s\n",javaHome); } } } MEM_Free(baseDir); STRBUF_Destroy(&sb); STRBUF_Destroy(&sb2); } /* Did we find anything? */ if (!VECTOR_IsEmpty(&jvms->found)) { JVM_Sort(jvms, JVM_DefaultSort); TRACE1("JNILIB: found %d JVM(s)\n",VECTOR_Size(&jvms->found)); return jvms; } TRACE("JNILIB: found no JVMs\n, sorry"); VECTOR_Destroy(&jvms->found); } MEM_Free(jvms); } return NULL; }
/** * This routine runs EXPAT parser */ Bool XML_ParseStream(File * f, const XMLCallbacks * cb, void * ctx) { XML_Parser parser; Bool ok = False; /* set up memory management functions */ XML_Memory_Handling_Suite mem; memset(&mem, 0, sizeof(mem)); mem.malloc_fcn = MEM_Alloc; mem.realloc_fcn = MEM_Realloc; mem.free_fcn = MEM_Free; /* create parser */ parser = XML_ParserCreate_MM(NULL,&mem,NULL); if (parser) { int bufsize = 4096; void * buf = NULL; Bool done = False; /* initialize EXPAT */ ExpatContext expat; expat.ctx = ctx; expat.cb = (*cb); STRBUF_Init(&expat.sb); BUFFER_Init(&expat.buf); VECTOR_Init(&expat.atts, 0, NULL, NULL); /* initialize the parser */ XML_SetElementHandler(parser, EXPAT_StartElement, EXPAT_EndElement); XML_SetCharacterDataHandler(parser, EXPAT_Characters); XML_SetUserData(parser, &expat); /* * By obtaining the buffer from Expat with the XML_GetBuffer, * we can avoid double copying of the input. */ ok = True; while (ok && !done && (buf = XML_GetBuffer(parser,bufsize)) != NULL) { int len = -1; if (!FILE_Eof(f)) { len = FILE_Read(f, buf, bufsize); } if (len <= 0) { done = True; len = 0; } ok = XML_ParseBuffer(parser, len, done); } #if DEBUG if (!ok) { enum XML_Error code = XML_GetErrorCode(parser); int l = XML_GetCurrentLineNumber(parser); int c = XML_GetCurrentColumnNumber(parser); Str fname = FILE_Name(f); const char * msg = XML_ErrorString(code); if (!fname) fname = TEXT("<noname>"); if (!msg) msg = "<no message>"; # ifdef _WIN32 TRACE4("EXPAT: %s: line %d, column %d: %hs\n",fname,l,c,msg); # else /* _WIN32 */ TRACE4("EXPAT: %s: line %d, column %d: %s\n",fname,l,c,msg); # endif /* _WIN32 */ } #endif /* DEBUG */ if (!buf) ok = False; /* deallocate parser */ XML_ParserFree(parser); STRBUF_Destroy(&expat.sb); BUFFER_Destroy(&expat.buf); VECTOR_Destroy(&expat.atts); } return (ok); }
/** * Initializer for the platform independent part of the directory iterator. * Assumes that the memory has been zeroed. */ void DIR_ItrInit(DirIterator * di, const Itr * type) { ITR_Init(&di->itr, type); STRBUF_Init(&di->dirName); STRBUF_Init(&di->fileName); }