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Diffstat (limited to 'mac/tclMacEnv.c')
| -rw-r--r-- | mac/tclMacEnv.c | 536 |
1 files changed, 0 insertions, 536 deletions
diff --git a/mac/tclMacEnv.c b/mac/tclMacEnv.c deleted file mode 100644 index 8f6b58f..0000000 --- a/mac/tclMacEnv.c +++ /dev/null @@ -1,536 +0,0 @@ -/* - * tclMacEnv.c -- - * - * Implements the "environment" on a Macintosh. - * - * Copyright (c) 1995-1996 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclMacEnv.c,v 1.2 1998/09/14 18:40:04 stanton Exp $ - */ - -#include <Gestalt.h> -#include <Folders.h> -#include <TextUtils.h> -#include <Resources.h> -#include <string.h> - -#include "tcl.h" -#include "tclInt.h" -#include "tclMacInt.h" -#include "tclPort.h" - -#define kMaxEnvStringSize 255 -#define kMaxEnvVarSize 100 -#define kLoginnameTag "LOGIN=" -#define kUsernameTag "USER=" -#define kDefaultDirTag "HOME=" - -/* - * The following specifies a text file where additional environment variables - * can be set. The file must reside in the preferences folder. If the file - * doesn't exist NO error will occur. Commet out the difinition if you do - * NOT want to use an environment variables file. - */ -#define kPrefsFile "Tcl Environment Variables" - -/* - * The following specifies the Name of a 'STR#' resource in the application - * where additional environment variables may be set. If the resource doesn't - * exist no errors will occur. Commet it out if you don't want it. - */ -#define REZ_ENV "\pTcl Environment Variables" - -/* Globals */ -char **environ = NULL; - -/* - * Declarations for local procedures defined in this file: - */ -static char ** RezRCVariables _ANSI_ARGS_((void)); -static char ** FileRCVariables _ANSI_ARGS_((void)); -static char ** PathVariables _ANSI_ARGS_((void)); -static char ** SystemVariables _ANSI_ARGS_((void)); -static char * MakeFolderEnvVar _ANSI_ARGS_((char * prefixTag, - long whichFolder)); -static char * GetUserName _ANSI_ARGS_((void)); - -/* - *---------------------------------------------------------------------- - * - * RezRCVariables -- - * - * Creates environment variables from the applications resource fork. - * The function looks for the 'STR#' resource with the name defined - * in the #define REZ_ENV. If the define is not defined this code - * will not be included. If the resource doesn't exist or no strings - * reside in the resource nothing will happen. - * - * Results: - * ptr to value on success, NULL if error. - * - * Side effects: - * Memory is allocated and returned to the caller. - * - *---------------------------------------------------------------------- - */ - -#ifdef REZ_ENV -static char ** -RezRCVariables() -{ - Handle envStrs = NULL; - char** rezEnv = NULL; - short int numStrs; - - envStrs = GetNamedResource('STR#', REZ_ENV); - if (envStrs == NULL) return NULL; - numStrs = *((short *) (*envStrs)); - - rezEnv = (char **) ckalloc((numStrs + 1) * sizeof(char *)); - - if (envStrs != NULL) { - ResType theType; - Str255 theName; - short theID, index = 1; - int i = 0; - char* string; - - GetResInfo(envStrs, &theID, &theType, theName); - for(;;) { - GetIndString(theName, theID, index++); - if (theName[0] == '\0') break; - string = (char *) ckalloc(theName[0] + 2); - strncpy(string, (char *) theName + 1, theName[0]); - string[theName[0]] = '\0'; - rezEnv[i++] = string; - } - ReleaseResource(envStrs); - - rezEnv[i] = NULL; - return rezEnv; - } - - return NULL; -} -#endif - -/* - *---------------------------------------------------------------------- - * - * FileRCVariables -- - * - * Creates environment variables from a file in the system preferences - * folder. The function looks for a file in the preferences folder - * a name defined in the #define kPrefsFile. If the define is not - * defined this code will not be included. If the resource doesn't exist or - * no strings reside in the resource nothing will happen. - * - * Results: - * ptr to value on success, NULL if error. - * - * Side effects: - * Memory is allocated and returned to the caller. - * - *---------------------------------------------------------------------- - */ - -#ifdef kPrefsFile -static char ** -FileRCVariables() -{ - char *prefsFolder = NULL; - char *tempPtr = NULL; - char **fileEnv = NULL; - FILE *thePrefsFile = NULL; - int i; - FSSpec prefDir; - OSErr err; - Handle theString = NULL; - Tcl_Channel chan; - int size; - Tcl_DString lineRead; - - err = FSpFindFolder(kOnSystemDisk, kPreferencesFolderType, - kDontCreateFolder, &prefDir); - if (err != noErr) { - return NULL; - } - err = FSpPathFromLocation(&prefDir, &size, &theString); - if (err != noErr) { - return NULL; - } - (void) Munger(theString, size, NULL, 0, kPrefsFile, strlen(kPrefsFile)); - - HLock(theString); - chan = Tcl_OpenFileChannel(NULL, *theString, "r", 0); - HUnlock(theString); - DisposeHandle(theString); - if (chan == NULL) { - return NULL; - } - - /* - * We found a env file. Let start parsing it. - */ - fileEnv = (char **) ckalloc((kMaxEnvVarSize + 1) * sizeof(char *)); - - i = 0; - Tcl_DStringInit(&lineRead); - while (Tcl_Gets(chan, &lineRead) != -1) { - /* - * First strip off new line char - */ - if (lineRead.string[lineRead.length-1] == '\n') { - lineRead.string[lineRead.length-1] = '\0'; - } - if (lineRead.string[0] == '\0' || lineRead.string[0] == '#') { - /* - * skip empty lines or commented lines - */ - Tcl_DStringSetLength(&lineRead, 0); - continue; - } - - tempPtr = (char *) ckalloc(lineRead.length + 1); - strcpy(tempPtr, lineRead.string); - fileEnv[i++] = tempPtr; - Tcl_DStringSetLength(&lineRead, 0); - } - - fileEnv[i] = NULL; - Tcl_Close(NULL, chan); - Tcl_DStringFree(&lineRead); - - return fileEnv; -} -#endif - -/* - *---------------------------------------------------------------------- - * - * MakeFolderEnvVar -- - * - * This function creates "environment" variable by taking a prefix and - * appending a folder path to a directory. The directory is specified - * by a integer value acceptable by the FindFolder function. - * - * Results: - * The function returns an *allocated* string. If the folder doesn't - * exist the return string is still allocated and just contains the - * given prefix. - * - * Side effects: - * Memory is allocated and returned to the caller. - * - *---------------------------------------------------------------------- - */ - -static char * -MakeFolderEnvVar( - char * prefixTag, /* Prefix added before result. */ - long whichFolder) /* Constant for FSpFindFolder. */ -{ - char * thePath = NULL; - char * result = NULL; - OSErr theErr = noErr; - Handle theString = NULL; - FSSpec theFolder; - int size; - Tcl_DString pathStr; - Tcl_DString tagPathStr; - - Tcl_DStringInit(&pathStr); - theErr = FSpFindFolder(kOnSystemDisk, whichFolder, - kDontCreateFolder, &theFolder); - if (theErr == noErr) { - theErr = FSpPathFromLocation(&theFolder, &size, &theString); - - HLock(theString); - tclPlatform = TCL_PLATFORM_MAC; - Tcl_DStringAppend(&pathStr, *theString, -1); - HUnlock(theString); - DisposeHandle(theString); - - Tcl_DStringInit(&tagPathStr); - Tcl_DStringAppend(&tagPathStr, prefixTag, strlen(prefixTag)); - Tcl_DStringAppend(&tagPathStr, pathStr.string, pathStr.length); - Tcl_DStringFree(&pathStr); - - /* - * Make sure the path ends with a ':' - */ - if (tagPathStr.string[tagPathStr.length - 1] != ':') { - Tcl_DStringAppend(&tagPathStr, ":", 1); - } - - /* - * Don't free tagPathStr - rather make sure it's allocated - * and return it as the result. - */ - if (tagPathStr.string == tagPathStr.staticSpace) { - result = (char *) ckalloc(tagPathStr.length + 1); - strcpy(result, tagPathStr.string); - } else { - result = tagPathStr.string; - } - } else { - result = (char *) ckalloc(strlen(prefixTag) + 1); - strcpy(result, prefixTag); - } - - return result; -} - -/* - *---------------------------------------------------------------------- - * - * PathVariables -- - * - * Creates environment variables from the system call FSpFindFolder. - * The function generates environment variables for many of the - * commonly used paths on the Macintosh. - * - * Results: - * ptr to value on success, NULL if error. - * - * Side effects: - * Memory is allocated and returned to the caller. - * - *---------------------------------------------------------------------- - */ - -static char ** -PathVariables() -{ - int i = 0; - char **sysEnv; - char *thePath = NULL; - - sysEnv = (char **) ckalloc((12) * sizeof(char *)); - - sysEnv[i++] = MakeFolderEnvVar("PREF_FOLDER=", kPreferencesFolderType); - sysEnv[i++] = MakeFolderEnvVar("SYS_FOLDER=", kSystemFolderType); - sysEnv[i++] = MakeFolderEnvVar("TEMP=", kTemporaryFolderType); - sysEnv[i++] = MakeFolderEnvVar("APPLE_M_FOLDER=", kAppleMenuFolderType); - sysEnv[i++] = MakeFolderEnvVar("CP_FOLDER=", kControlPanelFolderType); - sysEnv[i++] = MakeFolderEnvVar("DESK_FOLDER=", kDesktopFolderType); - sysEnv[i++] = MakeFolderEnvVar("EXT_FOLDER=", kExtensionFolderType); - sysEnv[i++] = MakeFolderEnvVar("PRINT_MON_FOLDER=", - kPrintMonitorDocsFolderType); - sysEnv[i++] = MakeFolderEnvVar("SHARED_TRASH_FOLDER=", - kWhereToEmptyTrashFolderType); - sysEnv[i++] = MakeFolderEnvVar("TRASH_FOLDER=", kTrashFolderType); - sysEnv[i++] = MakeFolderEnvVar("START_UP_FOLDER=", kStartupFolderType); - sysEnv[i++] = NULL; - - return sysEnv; -} - -/* - *---------------------------------------------------------------------- - * - * SystemVariables -- - * - * Creates environment variables from various Mac system calls. - * - * Results: - * ptr to value on success, NULL if error. - * - * Side effects: - * Memory is allocated and returned to the caller. - * - *---------------------------------------------------------------------- - */ - -static char ** -SystemVariables() -{ - int i = 0; - char ** sysEnv; - char * thePath = NULL; - Handle theString = NULL; - FSSpec currentDir; - int size; - - sysEnv = (char **) ckalloc((4) * sizeof(char *)); - - /* - * Get user name from chooser. It will be assigned to both - * the USER and LOGIN environment variables. - */ - thePath = GetUserName(); - if (thePath != NULL) { - sysEnv[i] = (char *) ckalloc(strlen(kLoginnameTag) + strlen(thePath) + 1); - strcpy(sysEnv[i], kLoginnameTag); - strcpy(sysEnv[i]+strlen(kLoginnameTag), thePath); - i++; - sysEnv[i] = (char *) ckalloc(strlen(kUsernameTag) + strlen(thePath) + 1); - strcpy(sysEnv[i], kUsernameTag); - strcpy(sysEnv[i]+strlen(kUsernameTag), thePath); - i++; - } - - /* - * Get 'home' directory - */ -#ifdef kDefaultDirTag - FSpGetDefaultDir(¤tDir); - FSpPathFromLocation(¤tDir, &size, &theString); - HLock(theString); - sysEnv[i] = (char *) ckalloc(strlen(kDefaultDirTag) + size + 4); - strcpy(sysEnv[i], kDefaultDirTag); - strncpy(sysEnv[i]+strlen(kDefaultDirTag) , *theString, size); - if (sysEnv[i][strlen(kDefaultDirTag) + size - 1] != ':') { - sysEnv[i][strlen(kDefaultDirTag) + size] = ':'; - sysEnv[i][strlen(kDefaultDirTag) + size + 1] = '\0'; - } else { - sysEnv[i][strlen(kDefaultDirTag) + size] = '\0'; - } - HUnlock(theString); - DisposeHandle(theString); - i++; -#endif - - sysEnv[i++] = NULL; - return sysEnv; -} - -/* - *---------------------------------------------------------------------- - * - * TclMacCreateEnv -- - * - * This function allocates and populates the global "environ" - * variable. Entries are in traditional Unix format but variables - * are, hopefully, a bit more relevant for the Macintosh. - * - * Results: - * The number of elements in the newly created environ array. - * - * Side effects: - * Memory is allocated and pointed too by the environ variable. - * - *---------------------------------------------------------------------- - */ - -int -TclMacCreateEnv() -{ - char ** sysEnv = NULL; - char ** pathEnv = NULL; - char ** fileEnv = NULL; - char ** rezEnv = NULL; - int count = 0; - int i, j; - - sysEnv = SystemVariables(); - if (sysEnv != NULL) { - for (i = 0; sysEnv[i] != NULL; count++, i++) { - /* Empty Loop */ - } - } - - pathEnv = PathVariables(); - if (pathEnv != NULL) { - for (i = 0; pathEnv[i] != NULL; count++, i++) { - /* Empty Loop */ - } - } - -#ifdef kPrefsFile - fileEnv = FileRCVariables(); - if (fileEnv != NULL) { - for (i = 0; fileEnv[i] != NULL; count++, i++) { - /* Empty Loop */ - } - } -#endif - -#ifdef REZ_ENV - rezEnv = RezRCVariables(); - if (rezEnv != NULL) { - for (i = 0; rezEnv[i] != NULL; count++, i++) { - /* Empty Loop */ - } - } -#endif - - /* - * Create environ variable - */ - environ = (char **) ckalloc((count + 1) * sizeof(char *)); - j = 0; - - if (sysEnv != NULL) { - for (i = 0; sysEnv[i] != NULL;) - environ[j++] = sysEnv[i++]; - ckfree((char *) sysEnv); - } - - if (pathEnv != NULL) { - for (i = 0; pathEnv[i] != NULL;) - environ[j++] = pathEnv[i++]; - ckfree((char *) pathEnv); - } - -#ifdef kPrefsFile - if (fileEnv != NULL) { - for (i = 0; fileEnv[i] != NULL;) - environ[j++] = fileEnv[i++]; - ckfree((char *) fileEnv); - } -#endif - -#ifdef REZ_ENV - if (rezEnv != NULL) { - for (i = 0; rezEnv[i] != NULL;) - environ[j++] = rezEnv[i++]; - ckfree((char *) rezEnv); - } -#endif - - environ[j] = NULL; - return j; -} - -/* - *---------------------------------------------------------------------- - * - * GetUserName -- - * - * Get the user login name. - * - * Results: - * ptr to static string, NULL if error. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -static char * -GetUserName() -{ - static char buf[33]; - short refnum; - Handle h; - - refnum = CurResFile(); - UseResFile(0); - h = GetResource('STR ', -16096); - UseResFile(refnum); - if (h == NULL) { - return NULL; - } - - HLock(h); - strncpy(buf, (*h)+1, **h); - buf[**h] = '\0'; - HUnlock(h); - ReleaseResource(h); - return(buf[0] ? buf : NULL); -} |