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author | dkf <donal.k.fellows@manchester.ac.uk> | 2003-03-14 16:19:04 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2003-03-14 16:19:04 (GMT) |
commit | 5b39ab8cefba4d3245053e8090ca9b7d871aa677 (patch) | |
tree | c45cad7f0684ed58a614fef63ad7c515e9225893 /generic/tclCmdAH.c | |
parent | 107484bbd04b8aa0e32e7c4c5c5cf09d8ac21f26 (diff) | |
download | tcl-5b39ab8cefba4d3245053e8090ca9b7d871aa677.zip tcl-5b39ab8cefba4d3245053e8090ca9b7d871aa677.tar.gz tcl-5b39ab8cefba4d3245053e8090ca9b7d871aa677.tar.bz2 |
* generic/tclCmdAH.c (Tcl_FormatObjCmd): Only add the modifier
that indicates we've got a wide int when we're formatting in an
integer style. Stops some libc's from going mad. [Bug #702622]
Also tidied whitespace.
Diffstat (limited to 'generic/tclCmdAH.c')
-rw-r--r-- | generic/tclCmdAH.c | 308 |
1 files changed, 159 insertions, 149 deletions
diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c index 2992367..8d1387a 100644 --- a/generic/tclCmdAH.c +++ b/generic/tclCmdAH.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclCmdAH.c,v 1.27 2002/07/02 12:16:05 vincentdarley Exp $ + * RCS: @(#) $Id: tclCmdAH.c,v 1.27.2.1 2003/03/14 16:19:11 dkf Exp $ */ #include "tclInt.h" @@ -1955,12 +1955,12 @@ Tcl_FormatObjCmd(dummy, interp, objc, objv) Tcl_Obj *resultPtr; /* Where result is stored finally. */ char staticBuf[MAX_FLOAT_SIZE + 1]; - /* A static buffer to copy the format results + /* A static buffer to copy the format results * into */ char *dst = staticBuf; /* The buffer that sprintf writes into each * time the format processes a specifier */ int dstSize = MAX_FLOAT_SIZE; - /* The size of the dst buffer */ + /* The size of the dst buffer */ int noPercent; /* Special case for speed: indicates there's * no field specifier, just a string to copy.*/ int objIndex; /* Index of argument to substitute next. */ @@ -1998,7 +1998,7 @@ Tcl_FormatObjCmd(dummy, interp, objc, objv) */ if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "formatString ?arg arg ...?"); + Tcl_WrongNumArgs(interp, 1, objv, "formatString ?arg arg ...?"); return TCL_ERROR; } @@ -2160,8 +2160,20 @@ Tcl_FormatObjCmd(dummy, interp, objc, objv) if (*format == 'l') { #ifndef TCL_WIDE_INT_IS_LONG useWide = 1; - strcpy(newPtr, TCL_LL_MODIFIER); - newPtr += TCL_LL_MODIFIER_SIZE; + /* + * Only add a 'll' modifier for integer values as it makes + * some libc's go into spasm otherwise. [Bug #702622] + */ + switch (format[1]) { + case 'i': + case 'd': + case 'o': + case 'u': + case 'x': + case 'X': + strcpy(newPtr, TCL_LL_MODIFIER); + newPtr += TCL_LL_MODIFIER_SIZE; + } #endif /* TCL_WIDE_INT_IS_LONG */ format++; } else if (*format == 'h') { @@ -2177,95 +2189,97 @@ Tcl_FormatObjCmd(dummy, interp, objc, objv) goto badIndex; } switch (*format) { - case 'i': - newPtr[-1] = 'd'; - case 'd': - case 'o': - case 'u': - case 'x': - case 'X': + case 'i': + newPtr[-1] = 'd'; + case 'd': + case 'o': + case 'u': + case 'x': + case 'X': #ifndef TCL_WIDE_INT_IS_LONG - if (useWide) { - if (Tcl_GetWideIntFromObj(interp, /* INTL: Tcl source. */ - objv[objIndex], &wideValue) != TCL_OK) { - goto fmtError; - } - whichValue = WIDE_VALUE; - size = 40 + precision; - break; - } -#endif /* TCL_WIDE_INT_IS_LONG */ - if (Tcl_GetLongFromObj(interp, /* INTL: Tcl source. */ - objv[objIndex], &intValue) != TCL_OK) { + if (useWide) { + if (Tcl_GetWideIntFromObj(interp, /* INTL: Tcl source. */ + objv[objIndex], &wideValue) != TCL_OK) { goto fmtError; } -#if (LONG_MAX > INT_MAX) - /* - * Add the 'l' for long format type because we are on - * an LP64 archtecture and we are really going to pass - * a long argument to sprintf. - */ - newPtr++; - *newPtr = 0; - newPtr[-1] = newPtr[-2]; - newPtr[-2] = 'l'; -#endif /* LONG_MAX > INT_MAX */ - whichValue = INT_VALUE; + whichValue = WIDE_VALUE; size = 40 + precision; break; - case 's': - /* - * Compute the length of the string in characters and add - * any additional space required by the field width. All of - * the extra characters will be spaces, so one byte per - * character is adequate. - */ + } +#endif /* TCL_WIDE_INT_IS_LONG */ + if (Tcl_GetLongFromObj(interp, /* INTL: Tcl source. */ + objv[objIndex], &intValue) != TCL_OK) { + goto fmtError; + } +#if (LONG_MAX > INT_MAX) + /* + * Add the 'l' for long format type because we are on an + * LP64 archtecture and we are really going to pass a long + * argument to sprintf. + */ + newPtr++; + *newPtr = 0; + newPtr[-1] = newPtr[-2]; + newPtr[-2] = 'l'; +#endif /* LONG_MAX > INT_MAX */ + whichValue = INT_VALUE; + size = 40 + precision; + break; + case 's': + /* + * Compute the length of the string in characters and add + * any additional space required by the field width. All + * of the extra characters will be spaces, so one byte per + * character is adequate. + */ - whichValue = STRING_VALUE; - ptrValue = Tcl_GetStringFromObj(objv[objIndex], &size); - stringLen = Tcl_NumUtfChars(ptrValue, size); - if (gotPrecision && (precision < stringLen)) { - stringLen = precision; - } - size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue; - if (width > stringLen) { - size += (width - stringLen); - } - break; - case 'c': - if (Tcl_GetLongFromObj(interp, /* INTL: Tcl source. */ - objv[objIndex], &intValue) != TCL_OK) { - goto fmtError; - } - whichValue = CHAR_VALUE; - size = width + TCL_UTF_MAX; - break; - case 'e': - case 'E': - case 'f': - case 'g': - case 'G': - if (Tcl_GetDoubleFromObj(interp, /* INTL: Tcl source. */ - objv[objIndex], &doubleValue) != TCL_OK) { - goto fmtError; - } - whichValue = DOUBLE_VALUE; - size = MAX_FLOAT_SIZE; - if (precision > 10) { - size += precision; - } - break; - case 0: - Tcl_SetResult(interp, - "format string ended in middle of field specifier", - TCL_STATIC); + whichValue = STRING_VALUE; + ptrValue = Tcl_GetStringFromObj(objv[objIndex], &size); + stringLen = Tcl_NumUtfChars(ptrValue, size); + if (gotPrecision && (precision < stringLen)) { + stringLen = precision; + } + size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue; + if (width > stringLen) { + size += (width - stringLen); + } + break; + case 'c': + if (Tcl_GetLongFromObj(interp, /* INTL: Tcl source. */ + objv[objIndex], &intValue) != TCL_OK) { goto fmtError; - default: { - char buf[40]; - sprintf(buf, "bad field specifier \"%c\"", *format); - Tcl_SetResult(interp, buf, TCL_VOLATILE); + } + whichValue = CHAR_VALUE; + size = width + TCL_UTF_MAX; + break; + case 'e': + case 'E': + case 'f': + case 'g': + case 'G': + if (Tcl_GetDoubleFromObj(interp, /* INTL: Tcl source. */ + objv[objIndex], &doubleValue) != TCL_OK) { goto fmtError; } + whichValue = DOUBLE_VALUE; + size = MAX_FLOAT_SIZE; + if (precision > 10) { + size += precision; + } + break; + case 0: + Tcl_SetResult(interp, + "format string ended in middle of field specifier", + TCL_STATIC); + goto fmtError; + default: + { + char buf[40]; + + sprintf(buf, "bad field specifier \"%c\"", *format); + Tcl_SetResult(interp, buf, TCL_VOLATILE); + goto fmtError; + } } objIndex++; format++; @@ -2290,103 +2304,99 @@ Tcl_FormatObjCmd(dummy, interp, objc, objv) dstSize = size; } switch (whichValue) { - case DOUBLE_VALUE: { - sprintf(dst, newFormat, doubleValue); /* INTL: user locale. */ - break; - } + case DOUBLE_VALUE: + sprintf(dst, newFormat, doubleValue); /* INTL: user locale. */ + break; #ifndef TCL_WIDE_INT_IS_LONG - case WIDE_VALUE: { - sprintf(dst, newFormat, wideValue); - break; - } + case WIDE_VALUE: + sprintf(dst, newFormat, wideValue); + break; #endif /* TCL_WIDE_INT_IS_LONG */ - case INT_VALUE: { - if (useShort) { - sprintf(dst, newFormat, (short) intValue); - } else { - sprintf(dst, newFormat, intValue); - } - break; + case INT_VALUE: + if (useShort) { + sprintf(dst, newFormat, (short) intValue); + } else { + sprintf(dst, newFormat, intValue); } - case CHAR_VALUE: { - char *ptr; - char padChar = (gotZero ? '0' : ' '); - ptr = dst; - if (!gotMinus) { - for ( ; --width > 0; ptr++) { - *ptr = padChar; - } - } - ptr += Tcl_UniCharToUtf(intValue, ptr); + break; + case CHAR_VALUE: { + char *ptr; + char padChar = (gotZero ? '0' : ' '); + ptr = dst; + if (!gotMinus) { for ( ; --width > 0; ptr++) { *ptr = padChar; } - *ptr = '\0'; - break; } - case STRING_VALUE: { - char *ptr; - char padChar = (gotZero ? '0' : ' '); - int pad; - - ptr = dst; - if (width > stringLen) { - pad = width - stringLen; - } else { - pad = 0; - } + ptr += Tcl_UniCharToUtf(intValue, ptr); + for ( ; --width > 0; ptr++) { + *ptr = padChar; + } + *ptr = '\0'; + break; + } + case STRING_VALUE: { + char *ptr; + char padChar = (gotZero ? '0' : ' '); + int pad; - if (!gotMinus) { - while (pad > 0) { - *ptr++ = padChar; - pad--; - } - } + ptr = dst; + if (width > stringLen) { + pad = width - stringLen; + } else { + pad = 0; + } - size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue; - if (size) { - memcpy(ptr, ptrValue, (size_t) size); - ptr += size; - } + if (!gotMinus) { while (pad > 0) { *ptr++ = padChar; pad--; } - *ptr = '\0'; - break; } - default: { - sprintf(dst, newFormat, ptrValue); - break; + + size = Tcl_UtfAtIndex(ptrValue, stringLen) - ptrValue; + if (size) { + memcpy(ptr, ptrValue, (size_t) size); + ptr += size; + } + while (pad > 0) { + *ptr++ = padChar; + pad--; } + *ptr = '\0'; + break; + } + default: + sprintf(dst, newFormat, ptrValue); + break; } Tcl_AppendToObj(resultPtr, dst, -1); } } Tcl_SetObjResult(interp, resultPtr); - if(dst != staticBuf) { - ckfree(dst); + if (dst != staticBuf) { + ckfree(dst); } return TCL_OK; mixedXPG: Tcl_SetResult(interp, - "cannot mix \"%\" and \"%n$\" conversion specifiers", TCL_STATIC); + "cannot mix \"%\" and \"%n$\" conversion specifiers", TCL_STATIC); goto fmtError; badIndex: if (gotXpg) { - Tcl_SetResult(interp, - "\"%n$\" argument index out of range", TCL_STATIC); + Tcl_SetResult(interp, + "\"%n$\" argument index out of range", TCL_STATIC); } else { - Tcl_SetResult(interp, - "not enough arguments for all format specifiers", TCL_STATIC); + Tcl_SetResult(interp, + "not enough arguments for all format specifiers", TCL_STATIC); } fmtError: - if(dst != staticBuf) { - ckfree(dst); + if (dst != staticBuf) { + ckfree(dst); } Tcl_DecrRefCount(resultPtr); return TCL_ERROR; |