/** * Parses Java version string. Also returns the number of digits in the * version string that have been successfully parsed. All non-parsed digits * are filled with zeros. The ndigits pointer may be NULL. */ Bool JVM_ParseVersion2(Str strVersion, JavaVersion * version, int* ndigits) { int i; Str p = strVersion; StrBuf16 buf; STRBUF_InitBufXXX(&buf); memset(version, 0, sizeof(*version)); for (i=0; i<JAVA_VERSION_SIZE; i++) { STRBUF_Clear(&buf.sb); while (*p && !IsDigit(*p)) p++; if (*p) { while (IsDigit(*p)) STRBUF_AppendChar(&buf.sb, *p++); if (STRBUF_Length(&buf.sb) > 0) { if (PARSE_Int(STRBUF_Text(&buf.sb),&(version->v[i]),10)) { continue; } } } break; } if (ndigits) *ndigits = i; STRBUF_Destroy(&buf.sb); return (i >= 2); }
STATIC void EXPAT_ConvertTag(StrBuf * sb, XML_Str tag) { XML_Str ptr; STRBUF_Clear(sb); for (ptr = tag; *ptr; ptr++) { STRBUF_AppendChar(sb, (Char)*ptr); } }
/** * Creates a directory hierarhy. */ Bool FILE_MkDir(Str dir) { Bool ok = False; StrBuf64 entry; StrBuf* sb = &entry.sb; STRBUF_InitBufXXX(&entry); if (STRBUF_Copy(sb, dir)) { while (sb->len > 0 && FILE_IsFileSeparator(STRBUF_LastChar(sb))) { STRBUF_SetLength(sb, sb->len-1); } /* check if the directory already exists */ if (FILE_IsDir(STRBUF_Text(sb)) || FILE_CreateDir(STRBUF_Text(sb))) { ok = True; } else { /* directory does not exists, walk the hierarhy */ int pos = 0; int next = 0; while ((next = FILE_FindSeparator(dir+pos)) >= 0) { STRBUF_Clear(sb); if (next == 0) { pos++; continue; } else { if (!STRBUF_CopyN(sb,dir,pos+next) || !FILE_CreateDir(STRBUF_Text(sb))) { break; } pos += next + 1; } } /* final test */ if (STRBUF_Copy(sb, dir)) { while (sb->len && FILE_IsFileSeparator(STRBUF_LastChar(sb))) { STRBUF_SetLength(sb, sb->len-1); } if (FILE_IsDir(STRBUF_Text(sb)) || FILE_CreateDir(STRBUF_Text(sb))) { ok = True; } } } } STRBUF_Destroy(sb); return ok; }
/** * Returns the module file name, using the specified buffer to actually store * the file name. Returns NULL in case of any problem, such as wrong module * handle or memory allocation failure. */ STATIC Str JVM_GetModuleFileName(HMODULE hModule, StrBuf * sb) { size_t maxlen = (sb->alloc ? ((sb->alloc-1)/2) : 0); do { STRBUF_Clear(sb); maxlen = MAX(2*maxlen,31); if (!STRBUF_Alloc(sb, maxlen)) { /* cannot allocate the memory */ return NULL; } sb->len = GetModuleFileName(hModule, sb->s, maxlen); ASSERT(sb->len <= maxlen); sb->s[maxlen] = 0; ASSERT(!sb->s[sb->len]); if (!sb->len) { return NULL; /* bad module handle, I guess */ } } while (sb->len >= (maxlen-1)); return STRBUF_GetString(sb); }
/** * 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; }