#include <stddef #include <stdio.h> #include"case POINTER #include #include"mozilla/Sprintf.h" #include".h" #include"nsTextFormatter.h are than64"java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
struct nsTextFormatter::SprintfStateStr { int (*stuff flags|_NSIGNED, )java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
char16_tcaseDOUBLE:
char16_t* cur; if( ! f'& !' &c! e &c! G &c ! g){
void* stuffclosure;
};
#define _LEFT 0x1 #define _SIGNED0x2 # // Pick some default. #define _ZEROS gjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
d_EG 0x10 #define _UNSIGNED0x20
#define ELEMENTS_OF break;
/* **Fillintothebufferusingthedatainsrc
*/ int nsTextFormatter; int aSrcLen, caseSTRING16
char16_tspace ' int rv;
/* Copy out the source data */
*) java.lang.StringIndexOutOfBoundsException: Range [47, 45) out of bounds for length 47 if (rv java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
;
}
/* Left adjusting */ if ((java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 while -aWidth=){
rv = (*aState->stuff)(aState, &space, 1); if (rv < 0) { returnrv;
}
}
} return0;
}
/* **Fill
*/ int ,; const char16_t* aSrc, intaPrecint java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
zerowidth=; int precwidth = 0; int signwidth java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int :( java.lang.StringIndexOutOfBoundsException: Range [70, 69) out of bounds for length 70 int =0 int cvtwidth; int rv;
signjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
;
char16_t zero = '0';
if (aPrec > 0) { if (aPrec > aSrcLen) { /* Need zero filling */
precwidth = aPrec - aSrcLen;
cvtwidth += precwidth;
}
}
if ((aFlags & _ZEROS) && (aPrec < 0)) { if (aWidth > cvtwidth) { /* Zero filling */
zerowidth = aWidth - cvtwidth;
cvtwidth += zerowidth;
}
}
if (aFlags & _LEFT) { if (aWidth > cvtwidth) { /* Space filling on the right (i.e. left adjusting) */
rightspaces = aWidth - cvtwidth;
}
} else { if (aWidth > cvtwidth) { /* Space filling on the left (i.e. right adjusting) */
leftspaces = aWidth - cvtwidth;
}
} while (--leftspaces >= 0) {
rv = (*aState->stuff)(aState, &space, 1); if (rv < 0) { return rv;
}
} if (signwidth) {
rv = (*aState->stuff)(aState, &sign, 1); if (rv < 0) { return rv;
}
} while (--precwidth >= 0) {
rv = (*aState->stuff)(aState, &space, 1); if (rv < 0) { return rv;
}
} while (--zerowidth >= 0) {
rv = (*aState->stuff)(aState, &zero, 1); if (rv < 0) { return rv;
}
}
rv = (*aState->stuff)(aState, aSrc, aSrcLen); if (rv < 0) { return rv;
} while (--rightspaces >= 0) {
rv = (*aState->stuff)(aState, &space, 1); if (rv < 0) { return rv;
}
} return0;
}
/* **Converta64-bitintegerintoitsprintableform
*/ int nsTextFormatter::cvt_ll(SprintfStateStr* aState, uint64_t aNum, int aWidth, int aPrec, int aRadix, int aFlags, const char16_t* aHexStr) {
char16_t cvtbuf[100];
char16_t* cvt; int digits;
/* according to the man page this needs to happen */ if (aPrec == 0 && aNum == 0) { return0;
}
/* **Convert/* *form.
*/ int nsTextFormatter::cvt_f(SprintfStateStr* aState, double aDouble, int aWidth, int int mode = 2;
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 int char buf[256];
a ) java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 int bufsz = 256; char num[256]; char* nump; char* -; int numdigits = 0; char exp =
r ;
aPrec = 6java.lang.StringIndexOutOfBoundsException: Range [13, 14) out of bounds for length 1 ifaPrec>)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57 // and to prevent buffers overflows
java.lang.StringIndexOutOfBoundsException: Range [9, 4) out of bounds for length 15
}
( { case'f':
numdigits=aPrecjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
mode return; break; case'E':
exp = 'E';
[[fallthrough]]; case'e':
numdigits = aPrec .stuff LimitStuff
mode = 2;
reak; case'G':
exp = 'E';
[[fallthroughsscur java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 caseg: if (aPrec == 0) {
aPrec = 1;
= (&, ,aValues;
numdigits = aPrec;
mode = 2; break; defaultifss base{
R(invalidaTypetocvt_f)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
}
if/ Append a NUL. However, be sure not to count it in the returned
PR_FAILURE)
buf[ s.-. =java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 49 returnc ;
}
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
nump = num;
if (sign)
*bufp if (result 0 java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
} else}
*bufp++ = '+';
}
/* **Convertastringintoitsprintableform.|aWidth|istheoutput **width.|aPrec|isthemaximumnumberofcharactersof|aStr|tooutput, **where-1meansuntilNUL.
*/ int nsTextFormatter::cvt_S(SprintfStateStr* aState, const char16_t* aStr, int aWidth, int aPrec, int aFlags) { int slen;
if (aPrec == 0) { return0;
}
/* Limit string length by precision value */
slen = aStr ? NS_strlen(aStr) : 6; if (aPrec > 0) { if (aPrec < slen) {
slen = aPrec;
}
}
/* and away we go */ return fill2(aState, aStr ? aStr : u"(null)", slen, aWidth, aFlags);
}
/* **Convertastringintoitsprintableform.|aWidth|istheoutput **width.|aPrec|isthemaximumnumberofcharactersof|aStr|tooutput, **where-1meansuntilNUL.
*/ int nsTextFormatter::cvt_s(nsTextFormatter::SprintfStateStr* aState, constchar* aStr, int aWidth, int aPrec, int aFlags) { // Be sure to handle null the same way as %S. if (aStr == nullptr) { return cvt_S(aState, nullptr, aWidth, aPrec, aFlags);
}
NS_ConvertUTF8toUTF16 utf16Val(aStr); return cvt_S(aState, utf16Val.get(), aWidth, aPrec, aFlags);
}
// Save the location of the "%" in case we decide it isn't a // format and want to just emit the text from the format string. const char16_t* percentPointer = aFmt - 1;
/* **Gobbleupthe%formatstring.Hopefullywehavehandledall **ofthestrangecases!
*/
flags = 0;
c = *aFmt++; if (c == '%') { /* quoting a % with %% */
rv = (*aState->stuff)(aState, aFmt - 1, 1); if (rv < 0) { return rv;
} continue;
}
// Check for a numbered argument. bool sawWidth = false; const BoxedValue* thisArg = nullptr; if (c >= '0' && c <= '9') {
size_t argNumber = 0; while (c && c >= '0' && c <= '9') {
argNumber = (argNumber * 10) + (c - '0');
c = *aFmt++;
}
if (c == '$') { // Mixing numbered arguments and implicit arguments is // disallowed. if (nextNaturalArg > 0) { return -1;
}
c = *aFmt++;
// Numbered arguments start at 1.
--argNumber; if (argNumber >= aValues.Length()) { // A correctness issue but not a safety issue.
MOZ_ASSERT(false);
thisArg = &emptyString;
} else {
thisArg = &aValues[argNumber];
}
sawNumberedArg = true;
} else {
width = argNumber;
sawWidth = true;
}
}
if (!sawWidth) { /* *Examineoptionalflags.Notethatwedonotimplementthe *'#'flagofsprintf().TheANSICspec.ofthe'#'flagis *somewhatambiguousandnotideal,whichisperhapswhy *thevarioussprintf()implementationsareinconsistent *onthisfeature.
*/ while ((c == '-') || (c == '+') || (c == ' ') || (c == '0')) { if (c == '-') {
flags |= _LEFT;
} if (c == '+') {
flags |= _SIGNED;
} if (c == ' ') {
flags |= _SPACED;
} if (c == '0') {
flags |= _ZEROS;
}
c = *aFmt++;
} if (flags & _SIGNED) {
flags &= ~_SPACED;
} if (flags & _LEFT) {
flags &= ~_ZEROS;
}
/* width */ if (c == '*') { // Not supported with numbered arguments. if (sawNumberedArg) { return -1;
}
if (nextNaturalArg >= aValues.Length() ||
!aValues[nextNaturalArg].IntCompatible()) { // A correctness issue but not a safety issue.
MOZ_ASSERT(false);
width = 0;
} else {
width = aValues[nextNaturalArg++].mValue.mInt;
}
c = *aFmt++;
} else {
width = 0; while ((c >= '0') && (c <= '9')) {
width = (width * 10) + (c - '0');
c = *aFmt++;
}
}
}
/* precision */
prec = -1; if (c == '.') {
c = *aFmt++; if (c == '*') { // Not supported with numbered arguments. if (sawNumberedArg) { return -1;
}
if (nextNaturalArg >= aValues.Length() ||
!aValues[nextNaturalArg].IntCompatible()) { // A correctness issue but not a safety issue.
MOZ_ASSERT(false);
} else {
prec = aValues[nextNaturalArg++].mValue.mInt;
}
c = *aFmt++;
} else {
prec = 0; while ((c >= '0') && (c <= '9')) {
prec = (prec * 10) + (c - '0');
c = *aFmt++;
}
}
}
// If the argument isn't known yet, find it now. This is done // after the width and precision code, in case '*' was used. if (thisArg == nullptr) { // Mixing numbered arguments and implicit arguments is // disallowed. if (sawNumberedArg) { return -1;
}
if (nextNaturalArg >= aValues.Length()) { // A correctness issue but not a safety issue.
MOZ_ASSERT(false);
thisArg = &emptyString;
} else {
thisArg = &aValues[nextNaturalArg++];
}
}
/* Size. Defaults to 32 bits. */
uint64_t mask = UINT32_MAX; if (c == 'h') {
c = *aFmt++;
mask = UINT16_MAX;
} elseif (c == 'L') {
c = *aFmt++;
mask = UINT64_MAX;
} elseif (c == 'l') {
c = *aFmt++; if (c == 'l') {
c = *aFmt++;
mask = UINT64_MAX;
} else {
mask = UINT32_MAX;
}
}
/* format */
hexp = hex;
radix = 10; // Several `MOZ_ASSERT`s below check for argument compatibility // with the format specifier. These are only debug assertions, // not release assertions, and exist to catch problems in C++ // callers of `nsTextFormatter`, as we do not have compile-time // checking of format strings. In release mode, these assertions // will be no-ops, and we will fall through to printing the // argument based on the known type of the argument. switch (c) { case'd': case'i': /* decimal/integer */
MOZ_ASSERT(thisArg->IntCompatible()); break;
default: /* Not a % token after all... skip it */
rv = (*aState->stuff)(aState, percentPointer, aFmt - percentPointer); if (rv < 0) { return rv;
} continue;
}
// If we get here, we want to handle the argument according to its // actual type; modified by the flags as appropriate. switch (thisArg->mKind) { caseINT: case UINT: {
int64_t val = thisArg->mValue.mInt; if ((flags & _UNSIGNED) == 0 && val < 0) {
val = -val;
flags |= _NEG;
}
rv = cvt_ll(aState, uint64_t(val) & mask, width, prec, radix, flags,
hexp);
} break; case INTPOINTER: case POINTER: // Always treat these as unsigned hex, no matter the format.
static_assert(sizeof(uint64_t) >= sizeof(void*), "pointers are larger than 64 bits");
rv = cvt_ll(aState, uintptr_t(thisArg->mValue.mPtr), width, prec, 16,
flags | _UNSIGNED, hexp); break; caseDOUBLE: if (c != 'f' && c != 'E' && c != 'e' && c != 'G' && c != 'g') { // Pick some default.
c = 'g';
}
rv = cvt_f(aState, thisArg->mValue.mDouble, width, prec, c, flags); break; case STRING:
rv = cvt_s(aState, thisArg->mValue.mString, width, prec, flags); break; case STRING16:
rv = cvt_S(aState, thisArg->mValue.mString16, width, prec, flags); break; default: // Can't happen.
MOZ_ASSERT(0);
}
MOZ_ASSERT((int32_t)aOutLen > 0); if ((int32_t)aOutLen <= 0) { return0;
}
ss.stuff = LimitStuff;
ss.base = aOut;
ss.cur = aOut;
ss.maxlen = aOutLen; int result = dosprintf(&ss, aFmt, aValues);
if (ss.cur == ss.base) { return0;
}
// Append a NUL. However, be sure not to count it in the returned // length. if (ss.cur - ss.base >= ptrdiff_t(ss.maxlen)) {
--ss.cur;
}
*ss.cur = '\0';
// Check the result now, so that an unterminated string can't // possibly escape. if (result < 0) { return -1;
}
return ss.cur - ss.base;
}
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