1 files changed, 157 insertions, 132 deletions

diff --git a/macosx/tclMacOSXFCmd.c b/macosx/tclMacOSXFCmd.c
index 09ee96d..f266443 100644
--- a/macosx/tclMacOSXFCmd.c
+++ b/macosx/tclMacOSXFCmd.c
@@ -22,26 +22,37 @@
 #ifdef HAVE_COPYFILE
 #ifdef HAVE_COPYFILE_H
 #include <copyfile.h>
-#if defined(HAVE_WEAK_IMPORT) && MAC_OS_X_VERSION_MIN_REQUIRED < 1040
+#if defined(HAVE_WEAK_IMPORT) && (MAC_OS_X_VERSION_MIN_REQUIRED < 1040)
 /* Support for weakly importing copyfile. */
 #define WEAK_IMPORT_COPYFILE
-extern int copyfile(const char *from, const char *to, copyfile_state_t state,
-		    copyfile_flags_t flags) WEAK_IMPORT_ATTRIBUTE;
+extern int		copyfile(const char *from, const char *to,
+			    copyfile_state_t state, copyfile_flags_t flags)
+			    WEAK_IMPORT_ATTRIBUTE;
 #endif /* HAVE_WEAK_IMPORT */
 #else /* HAVE_COPYFILE_H */
-int copyfile(const char *from, const char *to, void *state, uint32_t flags);
-#define COPYFILE_ACL            (1<<0)
-#define COPYFILE_XATTR          (1<<2)
-#define COPYFILE_NOFOLLOW_SRC   (1<<18)
-#if defined(HAVE_WEAK_IMPORT) && MAC_OS_X_VERSION_MIN_REQUIRED < 1040
+int			copyfile(const char *from, const char *to,
+			    void *state, uint32_t flags);
+#define COPYFILE_ACL		(1<<0)
+#define COPYFILE_XATTR		(1<<2)
+#define COPYFILE_NOFOLLOW_SRC	(1<<18)
+#if defined(HAVE_WEAK_IMPORT) && (MAC_OS_X_VERSION_MIN_REQUIRED < 1040)
 /* Support for weakly importing copyfile. */
 #define WEAK_IMPORT_COPYFILE
-extern int copyfile(const char *from, const char *to, void *state,
-                    uint32_t flags) WEAK_IMPORT_ATTRIBUTE;
+extern int		copyfile(const char *from, const char *to,
+			    void *state, uint32_t flags)
+			    WEAK_IMPORT_ATTRIBUTE;
 #endif /* HAVE_WEAK_IMPORT */
 #endif /* HAVE_COPYFILE_H */
 #endif /* HAVE_COPYFILE */
 
+#ifdef WEAK_IMPORT_COPYFILE
+#define MayUseCopyFile()	(copyfile != NULL)
+#elif defined(HAVE_COPYFILE)
+#define MayUseCopyFile()	(1)
+#else
+#define MayUseCopyFile()	(0)
+#endif
+
 #include <libkern/OSByteOrder.h>
 
 /*
@@ -72,7 +83,7 @@ static Tcl_Obj *	NewOSTypeObj(const OSType newOSType);
 static int		SetOSTypeFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);
 static void		UpdateStringOfOSType(Tcl_Obj *objPtr);
 
-static Tcl_ObjType tclOSTypeType = {
+static const Tcl_ObjType tclOSTypeType = {
     "osType",				/* name */
     NULL,				/* freeIntRepProc */
     NULL,				/* dupIntRepProc */
@@ -81,10 +92,10 @@ static Tcl_ObjType tclOSTypeType = {
 };
 
 enum {
-   kIsInvisible = 0x4000,
+    kIsInvisible = 0x4000,
 };
 
-#define kFinfoIsInvisible (OSSwapHostToBigConstInt16(kIsInvisible))
+#define kFinfoIsInvisible	(OSSwapHostToBigConstInt16(kIsInvisible))
 
 typedef	struct finderinfo {
     u_int32_t type;
@@ -130,15 +141,16 @@ TclMacOSXGetFileAttribute(
     Tcl_StatBuf statBuf;
     struct attrlist alist;
     fileinfobuf finfo;
-    finderinfo *finder = (finderinfo*)(&finfo.data);
-    off_t *rsrcForkSize = (off_t*)(&finfo.data);
+    finderinfo *finder = (finderinfo *) &finfo.data;
+    off_t *rsrcForkSize = (off_t *) &finfo.data;
     const char *native;
 
     result = TclpObjStat(fileName, &statBuf);
 
     if (result != 0) {
-	Tcl_AppendResult(interp, "could not read \"",
-		TclGetString(fileName), "\": ", Tcl_PosixError(interp), NULL);
+	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		"could not read \"%s\": %s",
+		TclGetString(fileName), Tcl_PosixError(interp)));
 	return TCL_ERROR;
     }
 
@@ -148,8 +160,8 @@ TclMacOSXGetFileAttribute(
 	 */
 
 	errno = EISDIR;
-	Tcl_AppendResult(interp, "invalid attribute: ",
-		Tcl_PosixError(interp), NULL);
+	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		"invalid attribute: %s", Tcl_PosixError(interp)));
 	return TCL_ERROR;
     }
 
@@ -164,8 +176,9 @@ TclMacOSXGetFileAttribute(
     result = getattrlist(native, &alist, &finfo, sizeof(fileinfobuf), 0);
 
     if (result != 0) {
-	Tcl_AppendResult(interp, "could not read attributes of \"",
-		TclGetString(fileName), "\": ", Tcl_PosixError(interp), NULL);
+	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		"could not read attributes of \"%s\": %s",
+		TclGetString(fileName), Tcl_PosixError(interp)));
 	return TCL_ERROR;
     }
 
@@ -188,9 +201,11 @@ TclMacOSXGetFileAttribute(
     }
     return TCL_OK;
 #else
-    Tcl_AppendResult(interp, "Mac OS X file attributes not supported", NULL);
+    Tcl_SetObjResult(interp, Tcl_NewStringObj(
+	    "Mac OS X file attributes not supported", -1));
+    Tcl_SetErrorCode(interp, "TCL", "UNSUPPORTED", NULL);
     return TCL_ERROR;
-#endif
+#endif /* HAVE_GETATTRLIST */
 }
 
 /*
@@ -222,15 +237,16 @@ TclMacOSXSetFileAttribute(
     Tcl_StatBuf statBuf;
     struct attrlist alist;
     fileinfobuf finfo;
-    finderinfo *finder = (finderinfo*)(&finfo.data);
-    off_t *rsrcForkSize = (off_t*)(&finfo.data);
+    finderinfo *finder = (finderinfo *) &finfo.data;
+    off_t *rsrcForkSize = (off_t *) &finfo.data;
     const char *native;
 
     result = TclpObjStat(fileName, &statBuf);
 
     if (result != 0) {
-	Tcl_AppendResult(interp, "could not read \"",
-		TclGetString(fileName), "\": ", Tcl_PosixError(interp), NULL);
+	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		"could not read \"%s\": %s",
+		TclGetString(fileName), Tcl_PosixError(interp)));
 	return TCL_ERROR;
     }
 
@@ -240,8 +256,8 @@ TclMacOSXSetFileAttribute(
 	 */
 
 	errno = EISDIR;
-	Tcl_AppendResult(interp, "invalid attribute: ",
-		Tcl_PosixError(interp), NULL);
+	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		"invalid attribute: %s", Tcl_PosixError(interp)));
 	return TCL_ERROR;
     }
 
@@ -256,8 +272,9 @@ TclMacOSXSetFileAttribute(
     result = getattrlist(native, &alist, &finfo, sizeof(fileinfobuf), 0);
 
     if (result != 0) {
-	Tcl_AppendResult(interp, "could not read attributes of \"",
-		TclGetString(fileName), "\": ", Tcl_PosixError(interp), NULL);
+	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		"could not read attributes of \"%s\": %s",
+		TclGetString(fileName), Tcl_PosixError(interp)));
 	return TCL_ERROR;
     }
 
@@ -294,9 +311,9 @@ TclMacOSXSetFileAttribute(
 		&finfo.data, sizeof(finfo.data), 0);
 
 	if (result != 0) {
-	    Tcl_AppendResult(interp, "could not set attributes of \"",
-		    TclGetString(fileName), "\": ",
-		    Tcl_PosixError(interp), NULL);
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "could not set attributes of \"%s\": %s",
+		    TclGetString(fileName), Tcl_PosixError(interp)));
 	    return TCL_ERROR;
 	}
     } else {
@@ -315,9 +332,10 @@ TclMacOSXSetFileAttribute(
 	     * supported.
 	     */
 
-	    if(newRsrcForkSize != 0) {
-		Tcl_AppendResult(interp,
-			"setting nonzero rsrclength not supported", NULL);
+	    if (newRsrcForkSize != 0) {
+		Tcl_SetObjResult(interp, Tcl_NewStringObj(
+			"setting nonzero rsrclength not supported", -1));
+		Tcl_SetErrorCode(interp, "TCL", "UNSUPPORTED", NULL);
 		return TCL_ERROR;
 	    }
 
@@ -332,11 +350,13 @@ TclMacOSXSetFileAttribute(
 	    result = truncate(Tcl_DStringValue(&ds), (off_t)0);
 	    if (result != 0) {
 		/*
-		 * truncate() on a valid resource fork path may fail with
-		 * a permission error in some OS releases, try truncating
-		 * with open() instead:
+		 * truncate() on a valid resource fork path may fail with a
+		 * permission error in some OS releases, try truncating with
+		 * open() instead:
 		 */
+
 		int fd = open(Tcl_DStringValue(&ds), O_WRONLY | O_TRUNC);
+
 		if (fd > 0) {
 		    result = close(fd);
 		}
@@ -345,17 +365,18 @@ TclMacOSXSetFileAttribute(
 	    Tcl_DStringFree(&ds);
 
 	    if (result != 0) {
-		Tcl_AppendResult(interp,
-			"could not truncate resource fork of \"",
-			TclGetString(fileName), "\": ",
-			Tcl_PosixError(interp), NULL);
+		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+			"could not truncate resource fork of \"%s\": %s",
+			TclGetString(fileName), Tcl_PosixError(interp)));
 		return TCL_ERROR;
 	    }
 	}
     }
     return TCL_OK;
 #else
-    Tcl_AppendResult(interp, "Mac OS X file attributes not supported", NULL);
+    Tcl_SetObjResult(interp, Tcl_NewStringObj(
+	    "Mac OS X file attributes not supported", -1));
+    Tcl_SetErrorCode(interp, "TCL", "UNSUPPORTED", NULL);
     return TCL_ERROR;
 #endif
 }
@@ -380,89 +401,84 @@ TclMacOSXSetFileAttribute(
 
 int
 TclMacOSXCopyFileAttributes(
-    CONST char *src,		/* Path name of source file (native). */
-    CONST char *dst,		/* Path name of target file (native). */
-    CONST Tcl_StatBuf *statBufPtr)
+    const char *src,		/* Path name of source file (native). */
+    const char *dst,		/* Path name of target file (native). */
+    const Tcl_StatBuf *statBufPtr)
 				/* Stat info for source file */
 {
-#ifdef WEAK_IMPORT_COPYFILE
-    if (copyfile != NULL) {
-#endif
+    if (MayUseCopyFile()) {
 #ifdef HAVE_COPYFILE
-    if (copyfile(src, dst, NULL, COPYFILE_XATTR |
-	    (S_ISLNK(statBufPtr->st_mode) ? COPYFILE_NOFOLLOW_SRC :
-		                            COPYFILE_ACL)) < 0) {
-	return TCL_ERROR;
-    }
-    return TCL_OK;
+	if (0 == copyfile(src, dst, NULL, (S_ISLNK(statBufPtr->st_mode)
+		? COPYFILE_XATTR | COPYFILE_NOFOLLOW_SRC
+		: COPYFILE_XATTR | COPYFILE_ACL))) {
+	    return TCL_OK;
+	}
 #endif /* HAVE_COPYFILE */
-#ifdef WEAK_IMPORT_COPYFILE
     } else {
-#endif
-#if !defined(HAVE_COPYFILE) || defined(WEAK_IMPORT_COPYFILE)
-#ifdef HAVE_GETATTRLIST
-    struct attrlist alist;
-    fileinfobuf finfo;
-    off_t *rsrcForkSize = (off_t*)(&finfo.data);
+#if (!defined(HAVE_COPYFILE) || defined(WEAK_IMPORT_COPYFILE)) && defined(HAVE_GETATTRLIST)
+	struct attrlist alist;
+	fileinfobuf finfo;
+	off_t *rsrcForkSize = (off_t *) &finfo.data;
+	Tcl_DString srcBuf, dstBuf;
+	int result;
+
+	bzero(&alist, sizeof(struct attrlist));
+	alist.bitmapcount = ATTR_BIT_MAP_COUNT;
+	alist.commonattr = ATTR_CMN_FNDRINFO;
 
-    bzero(&alist, sizeof(struct attrlist));
-    alist.bitmapcount = ATTR_BIT_MAP_COUNT;
-    alist.commonattr = ATTR_CMN_FNDRINFO;
+	if (getattrlist(src, &alist, &finfo, sizeof(fileinfobuf), 0)) {
+	    return TCL_ERROR;
+	}
+	if (setattrlist(dst, &alist, &finfo.data, sizeof(finfo.data), 0)) {
+	    return TCL_ERROR;
+	}
 
-    if (getattrlist(src, &alist, &finfo, sizeof(fileinfobuf), 0)) {
-	return TCL_ERROR;
-    }
+	/*
+	 * If we're a directory, we're done as they never have resource forks.
+	 */
 
-    if (setattrlist(dst, &alist, &finfo.data, sizeof(finfo.data), 0)) {
-	return TCL_ERROR;
-    }
+	if (S_ISDIR(statBufPtr->st_mode)) {
+	    return TCL_OK;
+	}
 
-    if (!S_ISDIR(statBufPtr->st_mode)) {
 	/*
-	 * Only copy non-empty resource fork.
+	 * We only copy a non-empty resource fork, so determine if that's the
+	 * case first.
 	 */
 
 	alist.commonattr = 0;
 	alist.fileattr = ATTR_FILE_RSRCLENGTH;
-
 	if (getattrlist(src, &alist, &finfo, sizeof(fileinfobuf), 0)) {
 	    return TCL_ERROR;
+	} else if (*rsrcForkSize == 0) {
+	    return TCL_OK;
 	}
 
-	if(*rsrcForkSize > 0) {
-	    int result;
-	    Tcl_DString ds_src, ds_dst;
-
-	    /*
-	     * Construct paths to resource forks.
-	     */
-
-	    Tcl_DStringInit(&ds_src);
-	    Tcl_DStringAppend(&ds_src, src, -1);
-	    Tcl_DStringAppend(&ds_src, _PATH_RSRCFORKSPEC, -1);
-	    Tcl_DStringInit(&ds_dst);
-	    Tcl_DStringAppend(&ds_dst, dst, -1);
-	    Tcl_DStringAppend(&ds_dst, _PATH_RSRCFORKSPEC, -1);
+	/*
+	 * Construct paths to resource forks.
+	 */
 
-	    result = TclUnixCopyFile(Tcl_DStringValue(&ds_src),
-		    Tcl_DStringValue(&ds_dst), statBufPtr, 1);
+	Tcl_DStringInit(&srcBuf);
+	Tcl_DStringAppend(&srcBuf, src, -1);
+	Tcl_DStringAppend(&srcBuf, _PATH_RSRCFORKSPEC, -1);
+	Tcl_DStringInit(&dstBuf);
+	Tcl_DStringAppend(&dstBuf, dst, -1);
+	Tcl_DStringAppend(&dstBuf, _PATH_RSRCFORKSPEC, -1);
 
-	    Tcl_DStringFree(&ds_src);
-	    Tcl_DStringFree(&ds_dst);
+	/*
+	 * Do the copy.
+	 */
 
-	    if (result != 0) {
-		return TCL_ERROR;
-	    }
+	result = TclUnixCopyFile(Tcl_DStringValue(&srcBuf),
+		Tcl_DStringValue(&dstBuf), statBufPtr, 1);
+	Tcl_DStringFree(&srcBuf);
+	Tcl_DStringFree(&dstBuf);
+	if (result == 0) {
+	    return TCL_OK;
 	}
+#endif /* (!HAVE_COPYFILE || WEAK_IMPORT_COPYFILE) && HAVE_GETATTRLIST */
     }
-    return TCL_OK;
-#else
     return TCL_ERROR;
-#endif /* HAVE_GETATTRLIST */
-#endif /* !defined(HAVE_COPYFILE) || defined(WEAK_IMPORT_COPYFILE) */
-#ifdef WEAK_IMPORT_COPYFILE
-    }
-#endif
 }
 
 /*
@@ -470,13 +486,13 @@ TclMacOSXCopyFileAttributes(
  *
  * TclMacOSXMatchType --
  *
- *	This routine is used by the globbing code to check if a file
- *	matches a given mac type and/or creator code.
+ *	This routine is used by the globbing code to check if a file matches a
+ *	given mac type and/or creator code.
  *
  * Results:
- *	The return value is 1, 0 or -1 indicating whether the file
- *	matches the given criteria, does not match them, or an error
- *	occurred (in wich case an error is left in interp).
+ *	The return value is 1, 0 or -1 indicating whether the file matches the
+ *	given criteria, does not match them, or an error occurred (in wich
+ *	case an error is left in interp).
  *
  * Side effects:
  *	None.
@@ -486,16 +502,16 @@ TclMacOSXCopyFileAttributes(
 
 int
 TclMacOSXMatchType(
-    Tcl_Interp *interp,       /* Interpreter to receive errors. */
-    CONST char *pathName,     /* Native path to check. */
-    CONST char *fileName,     /* Native filename to check. */
-    Tcl_StatBuf *statBufPtr,  /* Stat info for file to check */
-    Tcl_GlobTypeData *types)  /* Type description to match against. */
+    Tcl_Interp *interp,		/* Interpreter to receive errors. */
+    const char *pathName,	/* Native path to check. */
+    const char *fileName,	/* Native filename to check. */
+    Tcl_StatBuf *statBufPtr,	/* Stat info for file to check */
+    Tcl_GlobTypeData *types)	/* Type description to match against. */
 {
 #ifdef HAVE_GETATTRLIST
     struct attrlist alist;
     fileinfobuf finfo;
-    finderinfo *finder = (finderinfo*)(&finfo.data);
+    finderinfo *finder = (finderinfo *) &finfo.data;
     OSType osType;
 
     bzero(&alist, sizeof(struct attrlist));
@@ -508,8 +524,12 @@ TclMacOSXMatchType(
 	    !((finder->fdFlags & kFinfoIsInvisible) || (*fileName == '.'))) {
 	return 0;
     }
-    if (S_ISDIR(statBufPtr->st_mode) && (types->macType || types->macCreator)) {
-	/* Directories don't support types or creators */
+    if (S_ISDIR(statBufPtr->st_mode)
+	    && (types->macType || types->macCreator)) {
+	/*
+	 * Directories don't support types or creators.
+	 */
+
 	return 0;
     }
     if (types->macType) {
@@ -559,7 +579,7 @@ GetOSTypeFromObj(
 
     if (objPtr->typePtr != &tclOSTypeType) {
 	result = tclOSTypeType.setFromAnyProc(interp, objPtr);
-    };
+    }
     *osTypePtr = (OSType) objPtr->internalRep.longValue;
     return result;
 }
@@ -582,7 +602,8 @@ GetOSTypeFromObj(
 
 static Tcl_Obj *
 NewOSTypeObj(
-    const OSType osType)    /* OSType used to initialize the new object. */
+    const OSType osType)	/* OSType used to initialize the new
+				 * object. */
 {
     Tcl_Obj *objPtr;
 
@@ -614,7 +635,7 @@ SetOSTypeFromAny(
     Tcl_Interp *interp,		/* Tcl interpreter */
     Tcl_Obj *objPtr)		/* Pointer to the object to convert */
 {
-    char *string;
+    const char *string;
     int length, result = TCL_OK;
     Tcl_DString ds;
     Tcl_Encoding encoding = Tcl_GetEncoding(NULL, "macRoman");
@@ -624,19 +645,20 @@ SetOSTypeFromAny(
 
     if (Tcl_DStringLength(&ds) > 4) {
 	if (interp) {
-	    Tcl_AppendResult(interp, "expected Macintosh OS type but got \"",
-		    string, "\": ", NULL);
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "expected Macintosh OS type but got \"%s\": ", string));
+	    Tcl_SetErrorCode(interp, "TCL", "VALUE", "MAC_OSTYPE", NULL);
 	}
 	result = TCL_ERROR;
     } else {
 	OSType osType;
-	char string[4] = {'\0','\0','\0','\0'};
-	memcpy(string, Tcl_DStringValue(&ds),
-		(size_t) Tcl_DStringLength(&ds));
-	osType = (OSType) string[0] << 24 |
-		 (OSType) string[1] << 16 |
-		 (OSType) string[2] <<  8 |
-		 (OSType) string[3];
+	char bytes[4] = {'\0','\0','\0','\0'};
+
+	memcpy(bytes, Tcl_DStringValue(&ds), (size_t)Tcl_DStringLength(&ds));
+	osType = (OSType) bytes[0] << 24 |
+		 (OSType) bytes[1] << 16 |
+		 (OSType) bytes[2] <<  8 |
+		 (OSType) bytes[3];
 	TclFreeIntRep(objPtr);
 	objPtr->internalRep.longValue = (long) osType;
 	objPtr->typePtr = &tclOSTypeType;
@@ -667,12 +689,14 @@ SetOSTypeFromAny(
 
 static void
 UpdateStringOfOSType(
-    register Tcl_Obj *objPtr)	/* OSType object whose string rep to update. */
+    register Tcl_Obj *objPtr)	/* OSType object whose string rep to
+				 * update. */
 {
     char string[5];
     OSType osType = (OSType) objPtr->internalRep.longValue;
     Tcl_DString ds;
     Tcl_Encoding encoding = Tcl_GetEncoding(NULL, "macRoman");
+    unsigned len;
 
     string[0] = (char) (osType >> 24);
     string[1] = (char) (osType >> 16);
@@ -680,8 +704,9 @@ UpdateStringOfOSType(
     string[3] = (char) (osType);
     string[4] = '\0';
     Tcl_ExternalToUtfDString(encoding, string, -1, &ds);
-    objPtr->bytes = ckalloc((unsigned) Tcl_DStringLength(&ds) + 1);
-    strcpy(objPtr->bytes, Tcl_DStringValue(&ds));
+    len = (unsigned) Tcl_DStringLength(&ds) + 1;
+    objPtr->bytes = ckalloc(len);
+    memcpy(objPtr->bytes, Tcl_DStringValue(&ds), len);
     objPtr->length = Tcl_DStringLength(&ds);
     Tcl_DStringFree(&ds);
     Tcl_FreeEncoding(encoding);