diff options
Diffstat (limited to 'generic/tclUtil.c')
| -rw-r--r-- | generic/tclUtil.c | 69 |
1 files changed, 28 insertions, 41 deletions
diff --git a/generic/tclUtil.c b/generic/tclUtil.c index 4b69628..bcfdc2a 100644 --- a/generic/tclUtil.c +++ b/generic/tclUtil.c @@ -167,7 +167,7 @@ const Tcl_ObjType tclEndOffsetType = { * separating whitespace, or a string terminator. It is just another * character in a list element. * - * The interpretaton of a formatted substring as a list element follows rules + * The interpretation of a formatted substring as a list element follows rules * similar to the parsing of the words of a command in a Tcl script. Backslash * substitution plays a key role, and is defined exactly as it is in command * parsing. The same routine, TclParseBackslash() is used in both command @@ -179,7 +179,7 @@ const Tcl_ObjType tclEndOffsetType = { * Backslash substitution replaces an "escape sequence" of one or more * characters starting with * \u005c \ BACKSLASH - * with a single character. The one character escape sequent case happens only + * with a single character. The one character escape sequence case happens only * when BACKSLASH is the last character in the string. In all other cases, the * escape sequence is at least two characters long. * @@ -871,9 +871,9 @@ Tcl_SplitList( int Tcl_ScanElement( - register const char *src, /* String to convert to list element. */ - register int *flagPtr) /* Where to store information to guide - * Tcl_ConvertCountedElement. */ + const char *src, /* String to convert to list element. */ + int *flagPtr) /* Where to store information to guide + * Tcl_ConvertCountedElement. */ { return Tcl_ScanCountedElement(src, -1, flagPtr); } @@ -908,7 +908,7 @@ Tcl_ScanCountedElement( int *flagPtr) /* Where to store information to guide * Tcl_ConvertElement. */ { - int flags = CONVERT_ANY; + char flags = CONVERT_ANY; int numBytes = TclScanElement(src, length, &flags); *flagPtr = flags; @@ -949,7 +949,7 @@ int TclScanElement( const char *src, /* String to convert to Tcl list element. */ int length, /* Number of bytes in src, or -1. */ - int *flagPtr) /* Where to store information to guide + char *flagPtr) /* Where to store information to guide * Tcl_ConvertElement. */ { const char *p = src; @@ -1234,9 +1234,9 @@ TclScanElement( int Tcl_ConvertElement( - register const char *src, /* Source information for list element. */ - register char *dst, /* Place to put list-ified element. */ - register int flags) /* Flags produced by Tcl_ScanElement. */ + const char *src, /* Source information for list element. */ + char *dst, /* Place to put list-ified element. */ + int flags) /* Flags produced by Tcl_ScanElement. */ { return Tcl_ConvertCountedElement(src, -1, dst, flags); } @@ -1300,9 +1300,9 @@ TclConvertElement( register const char *src, /* Source information for list element. */ int length, /* Number of bytes in src, or -1. */ char *dst, /* Place to put list-ified element. */ - int flags) /* Flags produced by Tcl_ScanElement. */ + char flags) /* Flags produced by Tcl_ScanElement. */ { - int conversion = flags & CONVERT_MASK; + char conversion = flags & CONVERT_MASK; char *p = dst; /* @@ -1481,11 +1481,10 @@ Tcl_Merge( int argc, /* How many strings to merge. */ const char *const *argv) /* Array of string values. */ { -#define LOCAL_SIZE 20 - int localFlags[LOCAL_SIZE], *flagPtr = NULL; +#define LOCAL_SIZE 64 + char localFlags[LOCAL_SIZE]; int i, bytesNeeded = 0; - char *result, *dst; - const int maxFlags = UINT_MAX / sizeof(int); + char *result, *dst, *flagPtr = NULL; /* * Handle empty list case first, so logic of the general case can be @@ -1504,22 +1503,8 @@ Tcl_Merge( if (argc <= LOCAL_SIZE) { flagPtr = localFlags; - } else if (argc > maxFlags) { - /* - * We cannot allocate a large enough flag array to format this list in - * one pass. We could imagine converting this routine to a multi-pass - * implementation, but for sizeof(int) == 4, the limit is a max of - * 2^30 list elements and since each element is at least one byte - * formatted, and requires one byte space between it and the next one, - * that a minimum space requirement of 2^31 bytes, which is already - * INT_MAX. If we tried to format a list of > maxFlags elements, we're - * just going to overflow the size limits on the formatted string - * anyway, so just issue that same panic early. - */ - - Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", INT_MAX); } else { - flagPtr = ckalloc(argc * sizeof(int)); + flagPtr = ckalloc(argc); } for (i = 0; i < argc; i++) { flagPtr[i] = ( i ? TCL_DONT_QUOTE_HASH : 0 ); @@ -2597,7 +2582,7 @@ Tcl_DStringAppendElement( { char *dst = dsPtr->string + dsPtr->length; int needSpace = TclNeedSpace(dsPtr->string, dst); - int flags = needSpace ? TCL_DONT_QUOTE_HASH : 0; + char flags = needSpace ? TCL_DONT_QUOTE_HASH : 0; int newSize = dsPtr->length + needSpace + TclScanElement(element, -1, &flags); @@ -2827,14 +2812,16 @@ TclDStringToObj( { Tcl_Obj *result; - if (dsPtr->length == 0) { - TclNewObj(result); - } else if (dsPtr->string == dsPtr->staticSpace) { - /* - * Static buffer, so must copy. - */ - - TclNewStringObj(result, dsPtr->string, dsPtr->length); + if (dsPtr->string == dsPtr->staticSpace) { + if (dsPtr->length == 0) { + TclNewObj(result); + } else { + /* + * Static buffer, so must copy. + */ + + TclNewStringObj(result, dsPtr->string, dsPtr->length); + } } else { /* * Dynamic buffer, so transfer ownership and reset. @@ -3141,7 +3128,7 @@ TclPrecTraceProc( if (flags & TCL_TRACE_READS) { - Tcl_SetVar2Ex(interp, name1, name2, Tcl_NewIntObj(*precisionPtr), + Tcl_SetVar2Ex(interp, name1, name2, Tcl_NewLongObj(*precisionPtr), flags & TCL_GLOBAL_ONLY); return NULL; } |