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author | dkf <donal.k.fellows@manchester.ac.uk> | 2005-11-01 15:30:52 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2005-11-01 15:30:52 (GMT) |
commit | 2998dff7d6013d8de26a9f995195109ccdfb7fe8 (patch) | |
tree | 5ba6f151c506b01e44fe93c528465126f2ab35d5 /generic/tclIndexObj.c | |
parent | 2df2847723320a5dade13d3ae8133d879725a887 (diff) | |
download | tcl-2998dff7d6013d8de26a9f995195109ccdfb7fe8.zip tcl-2998dff7d6013d8de26a9f995195109ccdfb7fe8.tar.gz tcl-2998dff7d6013d8de26a9f995195109ccdfb7fe8.tar.bz2 |
ANSIfy. Also converted some deeply nested code to a less nested form for easier reading.
Diffstat (limited to 'generic/tclIndexObj.c')
-rw-r--r-- | generic/tclIndexObj.c | 105 |
1 files changed, 51 insertions, 54 deletions
diff --git a/generic/tclIndexObj.c b/generic/tclIndexObj.c index 794f1c9..0b5401d 100644 --- a/generic/tclIndexObj.c +++ b/generic/tclIndexObj.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclIndexObj.c,v 1.26 2005/07/21 16:58:09 dgp Exp $ + * RCS: @(#) $Id: tclIndexObj.c,v 1.27 2005/11/01 15:30:52 dkf Exp $ */ #include "tclInt.h" @@ -19,12 +19,10 @@ * Prototypes for functions defined later in this file: */ -static int SetIndexFromAny _ANSI_ARGS_((Tcl_Interp *interp, - Tcl_Obj *objPtr)); -static void UpdateStringOfIndex _ANSI_ARGS_((Tcl_Obj *objPtr)); -static void DupIndex _ANSI_ARGS_((Tcl_Obj *srcPtr, - Tcl_Obj *dupPtr)); -static void FreeIndex _ANSI_ARGS_((Tcl_Obj *objPtr)); +static int SetIndexFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr); +static void UpdateStringOfIndex(Tcl_Obj *objPtr); +static void DupIndex(Tcl_Obj *srcPtr, Tcl_Obj *dupPtr); +static void FreeIndex(Tcl_Obj *objPtr); /* * The structure below defines the index Tcl object type by means of functions @@ -48,7 +46,7 @@ static Tcl_ObjType indexType = { */ typedef struct { - VOID *tablePtr; /* Pointer to the table of strings */ + void *tablePtr; /* Pointer to the table of strings */ int offset; /* Offset between table entries */ int index; /* Selected index into table. */ } IndexRep; @@ -56,6 +54,7 @@ typedef struct { /* * The following macros greatly simplify moving through a table... */ + #define STRING_AT(table, offset, index) \ (*((CONST char * CONST *)(((char *)(table)) + ((offset) * (index))))) #define NEXT_ENTRY(table, offset) \ @@ -89,16 +88,16 @@ typedef struct { */ int -Tcl_GetIndexFromObj(interp, objPtr, tablePtr, msg, flags, indexPtr) - Tcl_Interp *interp; /* Used for error reporting if not NULL. */ - Tcl_Obj *objPtr; /* Object containing the string to lookup. */ - CONST char **tablePtr; /* Array of strings to compare against the +Tcl_GetIndexFromObj( + Tcl_Interp *interp, /* Used for error reporting if not NULL. */ + Tcl_Obj *objPtr, /* Object containing the string to lookup. */ + CONST char **tablePtr, /* Array of strings to compare against the * value of objPtr; last entry must be NULL * and there must not be duplicate entries. */ - CONST char *msg; /* Identifying word to use in error + CONST char *msg, /* Identifying word to use in error * messages. */ - int flags; /* 0 or TCL_EXACT */ - int *indexPtr; /* Place to store resulting integer index. */ + int flags, /* 0 or TCL_EXACT */ + int *indexPtr) /* Place to store resulting integer index. */ { /* @@ -115,8 +114,8 @@ Tcl_GetIndexFromObj(interp, objPtr, tablePtr, msg, flags, indexPtr) * on odd platforms like a Cray PVP... */ - if (indexRep->tablePtr == (VOID *)tablePtr && - indexRep->offset == sizeof(char *)) { + if (indexRep->tablePtr == (void *) tablePtr + && indexRep->offset == sizeof(char *)) { *indexPtr = indexRep->index; return TCL_OK; } @@ -152,20 +151,19 @@ Tcl_GetIndexFromObj(interp, objPtr, tablePtr, msg, flags, indexPtr) */ int -Tcl_GetIndexFromObjStruct(interp, objPtr, tablePtr, offset, msg, flags, - indexPtr) - Tcl_Interp *interp; /* Used for error reporting if not NULL. */ - Tcl_Obj *objPtr; /* Object containing the string to lookup. */ - CONST VOID *tablePtr; /* The first string in the table. The second +Tcl_GetIndexFromObjStruct( + Tcl_Interp *interp, /* Used for error reporting if not NULL. */ + Tcl_Obj *objPtr, /* Object containing the string to lookup. */ + CONST VOID *tablePtr, /* The first string in the table. The second * string will be at this address plus the * offset, the third plus the offset again, * etc. The last entry must be NULL and there * must not be duplicate entries. */ - int offset; /* The number of bytes between entries */ - CONST char *msg; /* Identifying word to use in error + int offset, /* The number of bytes between entries */ + CONST char *msg, /* Identifying word to use in error * messages. */ - int flags; /* 0 or TCL_EXACT */ - int *indexPtr; /* Place to store resulting integer index. */ + int flags, /* 0 or TCL_EXACT */ + int *indexPtr) /* Place to store resulting integer index. */ { int index, length, i, numAbbrev; char *key, *p1; @@ -252,10 +250,10 @@ Tcl_GetIndexFromObjStruct(interp, objPtr, tablePtr, offset, msg, flags, } else { TclFreeIntRep(objPtr); indexRep = (IndexRep *) ckalloc(sizeof(IndexRep)); - objPtr->internalRep.otherValuePtr = (VOID *) indexRep; + objPtr->internalRep.otherValuePtr = (void *) indexRep; objPtr->typePtr = &indexType; } - indexRep->tablePtr = (VOID*) tablePtr; + indexRep->tablePtr = (void *) tablePtr; indexRep->offset = offset; indexRep->index = index; @@ -274,17 +272,15 @@ Tcl_GetIndexFromObjStruct(interp, objPtr, tablePtr, offset, msg, flags, Tcl_SetObjResult(interp, resultPtr); Tcl_AppendStringsToObj(resultPtr, (numAbbrev > 1) ? "ambiguous " : "bad ", msg, " \"", key, - "\": must be ", STRING_AT(tablePtr,offset,0), (char*) NULL); + "\": must be ", STRING_AT(tablePtr, offset, 0), NULL); for (entryPtr = NEXT_ENTRY(tablePtr, offset), count = 0; *entryPtr != NULL; entryPtr = NEXT_ENTRY(entryPtr, offset), count++) { if (*NEXT_ENTRY(entryPtr, offset) == NULL) { - Tcl_AppendStringsToObj(resultPtr, - (count > 0) ? ", or " : " or ", *entryPtr, - (char *) NULL); + Tcl_AppendStringsToObj(resultPtr, ((count > 0) ? "," : ""), + " or ", *entryPtr, NULL); } else { - Tcl_AppendStringsToObj(resultPtr, ", ", *entryPtr, - (char *) NULL); + Tcl_AppendStringsToObj(resultPtr, ", ", *entryPtr, NULL); } } } @@ -312,9 +308,9 @@ Tcl_GetIndexFromObjStruct(interp, objPtr, tablePtr, offset, msg, flags, */ static int -SetIndexFromAny(interp, objPtr) - Tcl_Interp *interp; /* Used for error reporting if not NULL. */ - register Tcl_Obj *objPtr; /* The object to convert. */ +SetIndexFromAny( + Tcl_Interp *interp, /* Used for error reporting if not NULL. */ + register Tcl_Obj *objPtr) /* The object to convert. */ { Tcl_SetObjResult(interp, Tcl_NewStringObj( "can't convert value to index except via Tcl_GetIndexFromObj API", @@ -340,8 +336,8 @@ SetIndexFromAny(interp, objPtr) */ static void -UpdateStringOfIndex(objPtr) - Tcl_Obj *objPtr; +UpdateStringOfIndex( + Tcl_Obj *objPtr) { IndexRep *indexRep = (IndexRep *) objPtr->internalRep.otherValuePtr; register char *buf; @@ -374,14 +370,15 @@ UpdateStringOfIndex(objPtr) */ static void -DupIndex(srcPtr, dupPtr) - Tcl_Obj *srcPtr, *dupPtr; +DupIndex( + Tcl_Obj *srcPtr, + Tcl_Obj *dupPtr) { IndexRep *srcIndexRep = (IndexRep *) srcPtr->internalRep.otherValuePtr; IndexRep *dupIndexRep = (IndexRep *) ckalloc(sizeof(IndexRep)); memcpy(dupIndexRep, srcIndexRep, sizeof(IndexRep)); - dupPtr->internalRep.otherValuePtr = (VOID *) dupIndexRep; + dupPtr->internalRep.otherValuePtr = (void *) dupIndexRep; dupPtr->typePtr = &indexType; } @@ -403,8 +400,8 @@ DupIndex(srcPtr, dupPtr) */ static void -FreeIndex(objPtr) - Tcl_Obj *objPtr; +FreeIndex( + Tcl_Obj *objPtr) { ckfree((char *) objPtr->internalRep.otherValuePtr); } @@ -449,12 +446,12 @@ FreeIndex(objPtr) */ void -Tcl_WrongNumArgs(interp, objc, objv, message) - Tcl_Interp *interp; /* Current interpreter. */ - int objc; /* Number of arguments to print from objv. */ - Tcl_Obj *CONST objv[]; /* Initial argument objects, which should be +Tcl_WrongNumArgs( + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments to print from objv. */ + Tcl_Obj *CONST objv[], /* Initial argument objects, which should be * included in the error message. */ - CONST char *message; /* Error message to print after the leading + CONST char *message) /* Error message to print after the leading * objects in objv. The message may be * NULL. */ { @@ -554,7 +551,7 @@ Tcl_WrongNumArgs(interp, objc, objv, message) */ if (i<toPrint-1 || objc!=0 || message!=NULL) { - Tcl_AppendStringsToObj(objPtr, " ", (char *) NULL); + Tcl_AppendStringsToObj(objPtr, " ", NULL); } } } @@ -574,7 +571,7 @@ Tcl_WrongNumArgs(interp, objc, objv, message) if (objv[i]->typePtr == &indexType) { indexRep = (IndexRep *) objv[i]->internalRep.otherValuePtr; - Tcl_AppendStringsToObj(objPtr, EXPAND_OF(indexRep), (char *) NULL); + Tcl_AppendStringsToObj(objPtr, EXPAND_OF(indexRep), NULL); } else { /* * Quote the argument if it contains spaces (Bug 942757). @@ -603,7 +600,7 @@ Tcl_WrongNumArgs(interp, objc, objv, message) */ if (i<objc-1 || message!=NULL) { - Tcl_AppendStringsToObj(objPtr, " ", (char *) NULL); + Tcl_AppendStringsToObj(objPtr, " ", NULL); } } @@ -614,9 +611,9 @@ Tcl_WrongNumArgs(interp, objc, objv, message) */ if (message != NULL) { - Tcl_AppendStringsToObj(objPtr, message, (char *) NULL); + Tcl_AppendStringsToObj(objPtr, message, NULL); } - Tcl_AppendStringsToObj(objPtr, "\"", (char *) NULL); + Tcl_AppendStringsToObj(objPtr, "\"", NULL); Tcl_SetObjResult(interp, objPtr); #undef MAY_QUOTE_WORD #undef AFTER_FIRST_WORD |