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Dqn/dqn_external.cpp

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dqn: Reorganize the library
2023-08-16 11:59:38 +00:00
// NOTE: [$BSTK] b_stacktrace ======================================================================
dqn: Add MSVC SAL annotations
2023-08-25 13:42:09 +00:00
DQN_MSVC_WARNING_PUSH
DQN_MSVC_WARNING_DISABLE(6308) // b_stacktrace.h|147 'realloc' might return null pointer: assigning null pointer to 'b->buf', which is passed as an argument to 'realloc', will cause the original memory block to be leaked.
DQN_MSVC_WARNING_DISABLE(6011) // b_stacktrace.h|244 Dereferencing NULL pointer 'cur'. : Lines: 183, 184, 185, 186, 187, 188, 189, 191, 196, 198, 208, 209, 210, 211, 212, 213, 214, 229, 230, 231, 237, 244
DQN_MSVC_WARNING_DISABLE(6387) // b_stacktrace.h|284 'symbol' could be '0'.: Lines: 256, 257, 258, 259, 260, 261, 262, 264, 265, 266, 267, 268, 270, 276, 281, 282, 284
dqn: Reorganize the library
2023-08-16 11:59:38 +00:00
#define B_STACKTRACE_IMPL
#include "b_stacktrace.h"
dqn: Add MSVC SAL annotations
2023-08-25 13:42:09 +00:00
DQN_MSVC_WARNING_POP
dqn: Reorganize the library
2023-08-16 11:59:38 +00:00
// NOTE: [$STBS] stb_sprintf =======================================================================
#if !defined(DQN_STB_SPRINTF_HEADER_ONLY)
#define STB_SPRINTF_IMPLEMENTATION
#ifdef STB_SPRINTF_IMPLEMENTATION
#define stbsp__uint32 unsigned int
#define stbsp__int32 signed int
#ifdef _MSC_VER
#define stbsp__uint64 unsigned __int64
#define stbsp__int64 signed __int64
#else
#define stbsp__uint64 unsigned long long
#define stbsp__int64 signed long long
#endif
#define stbsp__uint16 unsigned short
#ifndef stbsp__uintptr
#if defined(__ppc64__) || defined(__powerpc64__) || defined(__aarch64__) || defined(_M_X64) || defined(__x86_64__) || defined(__x86_64) || defined(__s390x__)
#define stbsp__uintptr stbsp__uint64
#else
#define stbsp__uintptr stbsp__uint32
#endif
#endif
#ifndef STB_SPRINTF_MSVC_MODE // used for MSVC2013 and earlier (MSVC2015 matches GCC)
#if defined(_MSC_VER) && (_MSC_VER < 1900)
#define STB_SPRINTF_MSVC_MODE
#endif
#endif
#ifdef STB_SPRINTF_NOUNALIGNED // define this before inclusion to force stbsp_sprintf to always use aligned accesses
#define STBSP__UNALIGNED(code)
#else
#define STBSP__UNALIGNED(code) code
#endif
#ifndef STB_SPRINTF_NOFLOAT
// internal float utility functions
static stbsp__int32 stbsp__real_to_str(char const **start, stbsp__uint32 *len, char *out, stbsp__int32 *decimal_pos, double value, stbsp__uint32 frac_digits);
static stbsp__int32 stbsp__real_to_parts(stbsp__int64 *bits, stbsp__int32 *expo, double value);
#define STBSP__SPECIAL 0x7000
#endif
static char stbsp__period = '.';
static char stbsp__comma = ',';
static struct
{
short temp; // force next field to be 2-byte aligned
char pair[201];
} stbsp__digitpair =
{
0,
"00010203040506070809101112131415161718192021222324"
"25262728293031323334353637383940414243444546474849"
"50515253545556575859606162636465666768697071727374"
"75767778798081828384858687888990919293949596979899"
};
STBSP__PUBLICDEF void STB_SPRINTF_DECORATE(set_separators)(char pcomma, char pperiod)
{
stbsp__period = pperiod;
stbsp__comma = pcomma;
}
#define STBSP__LEFTJUST 1
#define STBSP__LEADINGPLUS 2
#define STBSP__LEADINGSPACE 4
#define STBSP__LEADING_0X 8
#define STBSP__LEADINGZERO 16
#define STBSP__INTMAX 32
#define STBSP__TRIPLET_COMMA 64
#define STBSP__NEGATIVE 128
#define STBSP__METRIC_SUFFIX 256
#define STBSP__HALFWIDTH 512
#define STBSP__METRIC_NOSPACE 1024
#define STBSP__METRIC_1024 2048
#define STBSP__METRIC_JEDEC 4096
static void stbsp__lead_sign(stbsp__uint32 fl, char *sign)
{
sign[0] = 0;
if (fl & STBSP__NEGATIVE) {
sign[0] = 1;
sign[1] = '-';
} else if (fl & STBSP__LEADINGSPACE) {
sign[0] = 1;
sign[1] = ' ';
} else if (fl & STBSP__LEADINGPLUS) {
sign[0] = 1;
sign[1] = '+';
}
}
static STBSP__ASAN stbsp__uint32 stbsp__strlen_limited(char const *s, stbsp__uint32 limit)
{
char const * sn = s;
// get up to 4-byte alignment
for (;;) {
if (((stbsp__uintptr)sn & 3) == 0)
break;
if (!limit || *sn == 0)
return (stbsp__uint32)(sn - s);
++sn;
--limit;
}
// scan over 4 bytes at a time to find terminating 0
// this will intentionally scan up to 3 bytes past the end of buffers,
// but becase it works 4B aligned, it will never cross page boundaries
// (hence the STBSP__ASAN markup; the over-read here is intentional
// and harmless)
while (limit >= 4) {
stbsp__uint32 v = *(stbsp__uint32 *)sn;
// bit hack to find if there's a 0 byte in there
if ((v - 0x01010101) & (~v) & 0x80808080UL)
break;
sn += 4;
limit -= 4;
}
// handle the last few characters to find actual size
while (limit && *sn) {
++sn;
--limit;
}
return (stbsp__uint32)(sn - s);
}
STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(vsprintfcb)(STBSP_SPRINTFCB *callback, void *user, char *buf, char const *fmt, va_list va)
{
static char hex[] = "0123456789abcdefxp";
static char hexu[] = "0123456789ABCDEFXP";
char *bf;
char const *f;
int tlen = 0;
bf = buf;
f = fmt;
for (;;) {
stbsp__int32 fw, pr, tz;
stbsp__uint32 fl;
// macros for the callback buffer stuff
#define stbsp__chk_cb_bufL(bytes) \
{ \
int len = (int)(bf - buf); \
if ((len + (bytes)) >= STB_SPRINTF_MIN) { \
tlen += len; \
if (0 == (bf = buf = callback(buf, user, len))) \
goto done; \
} \
}
#define stbsp__chk_cb_buf(bytes) \
{ \
if (callback) { \
stbsp__chk_cb_bufL(bytes); \
} \
}
#define stbsp__flush_cb() \
{ \
stbsp__chk_cb_bufL(STB_SPRINTF_MIN - 1); \
} // flush if there is even one byte in the buffer
#define stbsp__cb_buf_clamp(cl, v) \
cl = v; \
if (callback) { \
int lg = STB_SPRINTF_MIN - (int)(bf - buf); \
if (cl > lg) \
cl = lg; \
}
// fast copy everything up to the next % (or end of string)
for (;;) {
while (((stbsp__uintptr)f) & 3) {
schk1:
if (f[0] == '%')
goto scandd;
schk2:
if (f[0] == 0)
goto endfmt;
stbsp__chk_cb_buf(1);
*bf++ = f[0];
++f;
}
for (;;) {
// Check if the next 4 bytes contain %(0x25) or end of string.
// Using the 'hasless' trick:
// https://graphics.stanford.edu/~seander/bithacks.html#HasLessInWord
stbsp__uint32 v, c;
v = *(stbsp__uint32 *)f;
c = (~v) & 0x80808080;
if (((v ^ 0x25252525) - 0x01010101) & c)
goto schk1;
if ((v - 0x01010101) & c)
goto schk2;
if (callback)
if ((STB_SPRINTF_MIN - (int)(bf - buf)) < 4)
goto schk1;
#ifdef STB_SPRINTF_NOUNALIGNED
if(((stbsp__uintptr)bf) & 3) {
bf[0] = f[0];
bf[1] = f[1];
bf[2] = f[2];
bf[3] = f[3];
} else
#endif
{
*(stbsp__uint32 *)bf = v;
}
bf += 4;
f += 4;
}
}
scandd:
++f;
// ok, we have a percent, read the modifiers first
fw = 0;
pr = -1;
fl = 0;
tz = 0;
// flags
for (;;) {
switch (f[0]) {
// if we have left justify
case '-':
fl |= STBSP__LEFTJUST;
++f;
continue;
// if we have leading plus
case '+':
fl |= STBSP__LEADINGPLUS;
++f;
continue;
// if we have leading space
case ' ':
fl |= STBSP__LEADINGSPACE;
++f;
continue;
// if we have leading 0x
case '#':
fl |= STBSP__LEADING_0X;
++f;
continue;
// if we have thousand commas
case '\'':
fl |= STBSP__TRIPLET_COMMA;
++f;
continue;
// if we have kilo marker (none->kilo->kibi->jedec)
case '$':
if (fl & STBSP__METRIC_SUFFIX) {
if (fl & STBSP__METRIC_1024) {
fl |= STBSP__METRIC_JEDEC;
} else {
fl |= STBSP__METRIC_1024;
}
} else {
fl |= STBSP__METRIC_SUFFIX;
}
++f;
continue;
// if we don't want space between metric suffix and number
case '_':
fl |= STBSP__METRIC_NOSPACE;
++f;
continue;
// if we have leading zero
case '0':
fl |= STBSP__LEADINGZERO;
++f;
goto flags_done;
default: goto flags_done;
}
}
flags_done:
// get the field width
if (f[0] == '*') {
fw = va_arg(va, stbsp__uint32);
++f;
} else {
while ((f[0] >= '0') && (f[0] <= '9')) {
fw = fw * 10 + f[0] - '0';
f++;
}
}
// get the precision
if (f[0] == '.') {
++f;
if (f[0] == '*') {
pr = va_arg(va, stbsp__uint32);
++f;
} else {
pr = 0;
while ((f[0] >= '0') && (f[0] <= '9')) {
pr = pr * 10 + f[0] - '0';
f++;
}
}
}
// handle integer size overrides
switch (f[0]) {
// are we halfwidth?
case 'h':
fl |= STBSP__HALFWIDTH;
++f;
if (f[0] == 'h')
++f; // QUARTERWIDTH
break;
// are we 64-bit (unix style)
case 'l':
fl |= ((sizeof(long) == 8) ? STBSP__INTMAX : 0);
++f;
if (f[0] == 'l') {
fl |= STBSP__INTMAX;
++f;
}
break;
// are we 64-bit on intmax? (c99)
case 'j':
fl |= (sizeof(size_t) == 8) ? STBSP__INTMAX : 0;
++f;
break;
// are we 64-bit on size_t or ptrdiff_t? (c99)
case 'z':
fl |= (sizeof(ptrdiff_t) == 8) ? STBSP__INTMAX : 0;
++f;
break;
case 't':
fl |= (sizeof(ptrdiff_t) == 8) ? STBSP__INTMAX : 0;
++f;
break;
// are we 64-bit (msft style)
case 'I':
if ((f[1] == '6') && (f[2] == '4')) {
fl |= STBSP__INTMAX;
f += 3;
} else if ((f[1] == '3') && (f[2] == '2')) {
f += 3;
} else {
fl |= ((sizeof(void *) == 8) ? STBSP__INTMAX : 0);
++f;
}
break;
default: break;
}
// handle each replacement
switch (f[0]) {
#define STBSP__NUMSZ 512 // big enough for e308 (with commas) or e-307
char num[STBSP__NUMSZ];
char lead[8];
char tail[8];
char *s;
char const *h;
stbsp__uint32 l, n, cs;
stbsp__uint64 n64;
#ifndef STB_SPRINTF_NOFLOAT
double fv;
#endif
stbsp__int32 dp;
char const *sn;
case 's':
// get the string
s = va_arg(va, char *);
if (s == 0)
s = (char *)"null";
// get the length, limited to desired precision
// always limit to ~0u chars since our counts are 32b
l = stbsp__strlen_limited(s, (pr >= 0) ? pr : ~0u);
lead[0] = 0;
tail[0] = 0;
pr = 0;
dp = 0;
cs = 0;
// copy the string in
goto scopy;
case 'c': // char
// get the character
s = num + STBSP__NUMSZ - 1;
*s = (char)va_arg(va, int);
l = 1;
lead[0] = 0;
tail[0] = 0;
pr = 0;
dp = 0;
cs = 0;
goto scopy;
case 'n': // weird write-bytes specifier
{
int *d = va_arg(va, int *);
*d = tlen + (int)(bf - buf);
} break;
#ifdef STB_SPRINTF_NOFLOAT
case 'A': // float
case 'a': // hex float
case 'G': // float
case 'g': // float
case 'E': // float
case 'e': // float
case 'f': // float
va_arg(va, double); // eat it
s = (char *)"No float";
l = 8;
lead[0] = 0;
tail[0] = 0;
pr = 0;
cs = 0;
STBSP__NOTUSED(dp);
goto scopy;
#else
case 'A': // hex float
case 'a': // hex float
h = (f[0] == 'A') ? hexu : hex;
fv = va_arg(va, double);
if (pr == -1)
pr = 6; // default is 6
// read the double into a string
if (stbsp__real_to_parts((stbsp__int64 *)&n64, &dp, fv))
fl |= STBSP__NEGATIVE;
s = num + 64;
stbsp__lead_sign(fl, lead);
if (dp == -1023)
dp = (n64) ? -1022 : 0;
else
n64 |= (((stbsp__uint64)1) << 52);
n64 <<= (64 - 56);
if (pr < 15)
n64 += ((((stbsp__uint64)8) << 56) >> (pr * 4));
// add leading chars
#ifdef STB_SPRINTF_MSVC_MODE
*s++ = '0';
*s++ = 'x';
#else
lead[1 + lead[0]] = '0';
lead[2 + lead[0]] = 'x';
lead[0] += 2;
#endif
*s++ = h[(n64 >> 60) & 15];
n64 <<= 4;
if (pr)
*s++ = stbsp__period;
sn = s;
// print the bits
n = pr;
if (n > 13)
n = 13;
if (pr > (stbsp__int32)n)
tz = pr - n;
pr = 0;
while (n--) {
*s++ = h[(n64 >> 60) & 15];
n64 <<= 4;
}
// print the expo
tail[1] = h[17];
if (dp < 0) {
tail[2] = '-';
dp = -dp;
} else
tail[2] = '+';
n = (dp >= 1000) ? 6 : ((dp >= 100) ? 5 : ((dp >= 10) ? 4 : 3));
tail[0] = (char)n;
for (;;) {
tail[n] = '0' + dp % 10;
if (n <= 3)
break;
--n;
dp /= 10;
}
dp = (int)(s - sn);
l = (int)(s - (num + 64));
s = num + 64;
cs = 1 + (3 << 24);
goto scopy;
case 'G': // float
case 'g': // float
h = (f[0] == 'G') ? hexu : hex;
fv = va_arg(va, double);
if (pr == -1)
pr = 6;
else if (pr == 0)
pr = 1; // default is 6
// read the double into a string
if (stbsp__real_to_str(&sn, &l, num, &dp, fv, (pr - 1) | 0x80000000))
fl |= STBSP__NEGATIVE;
// clamp the precision and delete extra zeros after clamp
n = pr;
if (l > (stbsp__uint32)pr)
l = pr;
while ((l > 1) && (pr) && (sn[l - 1] == '0')) {
--pr;
--l;
}
// should we use %e
if ((dp <= -4) || (dp > (stbsp__int32)n)) {
if (pr > (stbsp__int32)l)
pr = l - 1;
else if (pr)
--pr; // when using %e, there is one digit before the decimal
goto doexpfromg;
}
// this is the insane action to get the pr to match %g semantics for %f
if (dp > 0) {
pr = (dp < (stbsp__int32)l) ? l - dp : 0;
} else {
pr = -dp + ((pr > (stbsp__int32)l) ? (stbsp__int32) l : pr);
}
goto dofloatfromg;
case 'E': // float
case 'e': // float
h = (f[0] == 'E') ? hexu : hex;
fv = va_arg(va, double);
if (pr == -1)
pr = 6; // default is 6
// read the double into a string
if (stbsp__real_to_str(&sn, &l, num, &dp, fv, pr | 0x80000000))
fl |= STBSP__NEGATIVE;
doexpfromg:
tail[0] = 0;
stbsp__lead_sign(fl, lead);
if (dp == STBSP__SPECIAL) {
s = (char *)sn;
cs = 0;
pr = 0;
goto scopy;
}
s = num + 64;
// handle leading chars
*s++ = sn[0];
if (pr)
*s++ = stbsp__period;
// handle after decimal
if ((l - 1) > (stbsp__uint32)pr)
l = pr + 1;
for (n = 1; n < l; n++)
*s++ = sn[n];
// trailing zeros
tz = pr - (l - 1);
pr = 0;
// dump expo
tail[1] = h[0xe];
dp -= 1;
if (dp < 0) {
tail[2] = '-';
dp = -dp;
} else
tail[2] = '+';
#ifdef STB_SPRINTF_MSVC_MODE
n = 5;
#else
n = (dp >= 100) ? 5 : 4;
#endif
tail[0] = (char)n;
for (;;) {
tail[n] = '0' + dp % 10;
if (n <= 3)
break;
--n;
dp /= 10;
}
cs = 1 + (3 << 24); // how many tens
goto flt_lead;
case 'f': // float
fv = va_arg(va, double);
doafloat:
// do kilos
if (fl & STBSP__METRIC_SUFFIX) {
double divisor;
divisor = 1000.0f;
if (fl & STBSP__METRIC_1024)
divisor = 1024.0;
while (fl < 0x4000000) {
if ((fv < divisor) && (fv > -divisor))
break;
fv /= divisor;
fl += 0x1000000;
}
}
if (pr == -1)
pr = 6; // default is 6
// read the double into a string
if (stbsp__real_to_str(&sn, &l, num, &dp, fv, pr))
fl |= STBSP__NEGATIVE;
dofloatfromg:
tail[0] = 0;
stbsp__lead_sign(fl, lead);
if (dp == STBSP__SPECIAL) {
s = (char *)sn;
cs = 0;
pr = 0;
goto scopy;
}
s = num + 64;
// handle the three decimal varieties
if (dp <= 0) {
stbsp__int32 i;
// handle 0.000*000xxxx
*s++ = '0';
if (pr)
*s++ = stbsp__period;
n = -dp;
if ((stbsp__int32)n > pr)
n = pr;
i = n;
while (i) {
if ((((stbsp__uintptr)s) & 3) == 0)
break;
*s++ = '0';
--i;
}
while (i >= 4) {
*(stbsp__uint32 *)s = 0x30303030;
s += 4;
i -= 4;
}
while (i) {
*s++ = '0';
--i;
}
if ((stbsp__int32)(l + n) > pr)
l = pr - n;
i = l;
while (i) {
*s++ = *sn++;
--i;
}
tz = pr - (n + l);
cs = 1 + (3 << 24); // how many tens did we write (for commas below)
} else {
cs = (fl & STBSP__TRIPLET_COMMA) ? ((600 - (stbsp__uint32)dp) % 3) : 0;
if ((stbsp__uint32)dp >= l) {
// handle xxxx000*000.0
n = 0;
for (;;) {
if ((fl & STBSP__TRIPLET_COMMA) && (++cs == 4)) {
cs = 0;
*s++ = stbsp__comma;
} else {
*s++ = sn[n];
++n;
if (n >= l)
break;
}
}
if (n < (stbsp__uint32)dp) {
n = dp - n;
if ((fl & STBSP__TRIPLET_COMMA) == 0) {
while (n) {
if ((((stbsp__uintptr)s) & 3) == 0)
break;
*s++ = '0';
--n;
}
while (n >= 4) {
*(stbsp__uint32 *)s = 0x30303030;
s += 4;
n -= 4;
}
}
while (n) {
if ((fl & STBSP__TRIPLET_COMMA) && (++cs == 4)) {
cs = 0;
*s++ = stbsp__comma;
} else {
*s++ = '0';
--n;
}
}
}
cs = (int)(s - (num + 64)) + (3 << 24); // cs is how many tens
if (pr) {
*s++ = stbsp__period;
tz = pr;
}
} else {
// handle xxxxx.xxxx000*000
n = 0;
for (;;) {
if ((fl & STBSP__TRIPLET_COMMA) && (++cs == 4)) {
cs = 0;
*s++ = stbsp__comma;
} else {
*s++ = sn[n];
++n;
if (n >= (stbsp__uint32)dp)
break;
}
}
cs = (int)(s - (num + 64)) + (3 << 24); // cs is how many tens
if (pr)
*s++ = stbsp__period;
if ((l - dp) > (stbsp__uint32)pr)
l = pr + dp;
while (n < l) {
*s++ = sn[n];
++n;
}
tz = pr - (l - dp);
}
}
pr = 0;
// handle k,m,g,t
if (fl & STBSP__METRIC_SUFFIX) {
char idx;
idx = 1;
if (fl & STBSP__METRIC_NOSPACE)
idx = 0;
tail[0] = idx;
tail[1] = ' ';
{
if (fl >> 24) { // SI kilo is 'k', JEDEC and SI kibits are 'K'.
if (fl & STBSP__METRIC_1024)
tail[idx + 1] = "_KMGT"[fl >> 24];
else
tail[idx + 1] = "_kMGT"[fl >> 24];
idx++;
// If printing kibits and not in jedec, add the 'i'.
if (fl & STBSP__METRIC_1024 && !(fl & STBSP__METRIC_JEDEC)) {
tail[idx + 1] = 'i';
idx++;
}
tail[0] = idx;
}
}
};
flt_lead:
// get the length that we copied
l = (stbsp__uint32)(s - (num + 64));
s = num + 64;
goto scopy;
#endif
case 'B': // upper binary
case 'b': // lower binary
h = (f[0] == 'B') ? hexu : hex;
lead[0] = 0;
if (fl & STBSP__LEADING_0X) {
lead[0] = 2;
lead[1] = '0';
lead[2] = h[0xb];
}
l = (8 << 4) | (1 << 8);
goto radixnum;
case 'o': // octal
h = hexu;
lead[0] = 0;
if (fl & STBSP__LEADING_0X) {
lead[0] = 1;
lead[1] = '0';
}
l = (3 << 4) | (3 << 8);
goto radixnum;
case 'p': // pointer
fl |= (sizeof(void *) == 8) ? STBSP__INTMAX : 0;
pr = sizeof(void *) * 2;
fl &= ~STBSP__LEADINGZERO; // 'p' only prints the pointer with zeros
// fall through - to X
case 'X': // upper hex
case 'x': // lower hex
h = (f[0] == 'X') ? hexu : hex;
l = (4 << 4) | (4 << 8);
lead[0] = 0;
if (fl & STBSP__LEADING_0X) {
lead[0] = 2;
lead[1] = '0';
lead[2] = h[16];
}
radixnum:
// get the number
if (fl & STBSP__INTMAX)
n64 = va_arg(va, stbsp__uint64);
else
n64 = va_arg(va, stbsp__uint32);
s = num + STBSP__NUMSZ;
dp = 0;
// clear tail, and clear leading if value is zero
tail[0] = 0;
if (n64 == 0) {
lead[0] = 0;
if (pr == 0) {
l = 0;
cs = 0;
goto scopy;
}
}
// convert to string
for (;;) {
*--s = h[n64 & ((1 << (l >> 8)) - 1)];
n64 >>= (l >> 8);
if (!((n64) || ((stbsp__int32)((num + STBSP__NUMSZ) - s) < pr)))
break;
if (fl & STBSP__TRIPLET_COMMA) {
++l;
if ((l & 15) == ((l >> 4) & 15)) {
l &= ~15;
*--s = stbsp__comma;
}
}
};
// get the tens and the comma pos
cs = (stbsp__uint32)((num + STBSP__NUMSZ) - s) + ((((l >> 4) & 15)) << 24);
// get the length that we copied
l = (stbsp__uint32)((num + STBSP__NUMSZ) - s);
// copy it
goto scopy;
case 'u': // unsigned
case 'i':
case 'd': // integer
// get the integer and abs it
if (fl & STBSP__INTMAX) {
stbsp__int64 i64 = va_arg(va, stbsp__int64);
n64 = (stbsp__uint64)i64;
if ((f[0] != 'u') && (i64 < 0)) {
n64 = (stbsp__uint64)-i64;
fl |= STBSP__NEGATIVE;
}
} else {
stbsp__int32 i = va_arg(va, stbsp__int32);
n64 = (stbsp__uint32)i;
if ((f[0] != 'u') && (i < 0)) {
n64 = (stbsp__uint32)-i;
fl |= STBSP__NEGATIVE;
}
}
#ifndef STB_SPRINTF_NOFLOAT
if (fl & STBSP__METRIC_SUFFIX) {
if (n64 < 1024)
pr = 0;
else if (pr == -1)
pr = 1;
fv = (double)(stbsp__int64)n64;
goto doafloat;
}
#endif
// convert to string
s = num + STBSP__NUMSZ;
l = 0;
for (;;) {
// do in 32-bit chunks (avoid lots of 64-bit divides even with constant denominators)
char *o = s - 8;
if (n64 >= 100000000) {
n = (stbsp__uint32)(n64 % 100000000);
n64 /= 100000000;
} else {
n = (stbsp__uint32)n64;
n64 = 0;
}
if ((fl & STBSP__TRIPLET_COMMA) == 0) {
do {
s -= 2;
*(stbsp__uint16 *)s = *(stbsp__uint16 *)&stbsp__digitpair.pair[(n % 100) * 2];
n /= 100;
} while (n);
}
while (n) {
if ((fl & STBSP__TRIPLET_COMMA) && (l++ == 3)) {
l = 0;
*--s = stbsp__comma;
--o;
} else {
*--s = (char)(n % 10) + '0';
n /= 10;
}
}
if (n64 == 0) {
if ((s[0] == '0') && (s != (num + STBSP__NUMSZ)))
++s;
break;
}
while (s != o)
if ((fl & STBSP__TRIPLET_COMMA) && (l++ == 3)) {
l = 0;
*--s = stbsp__comma;
--o;
} else {
*--s = '0';
}
}
tail[0] = 0;
stbsp__lead_sign(fl, lead);
// get the length that we copied
l = (stbsp__uint32)((num + STBSP__NUMSZ) - s);
if (l == 0) {
*--s = '0';
l = 1;
}
cs = l + (3 << 24);
if (pr < 0)
pr = 0;
scopy:
// get fw=leading/trailing space, pr=leading zeros
if (pr < (stbsp__int32)l)
pr = l;
n = pr + lead[0] + tail[0] + tz;
if (fw < (stbsp__int32)n)
fw = n;
fw -= n;
pr -= l;
// handle right justify and leading zeros
if ((fl & STBSP__LEFTJUST) == 0) {
if (fl & STBSP__LEADINGZERO) // if leading zeros, everything is in pr
{
pr = (fw > pr) ? fw : pr;
fw = 0;
} else {
fl &= ~STBSP__TRIPLET_COMMA; // if no leading zeros, then no commas
}
}
// copy the spaces and/or zeros
if (fw + pr) {
stbsp__int32 i;
stbsp__uint32 c;
// copy leading spaces (or when doing %8.4d stuff)
if ((fl & STBSP__LEFTJUST) == 0)
while (fw > 0) {
stbsp__cb_buf_clamp(i, fw);
fw -= i;
while (i) {
if ((((stbsp__uintptr)bf) & 3) == 0)
break;
*bf++ = ' ';
--i;
}
while (i >= 4) {
*(stbsp__uint32 *)bf = 0x20202020;
bf += 4;
i -= 4;
}
while (i) {
*bf++ = ' ';
--i;
}
stbsp__chk_cb_buf(1);
}
// copy leader
sn = lead + 1;
while (lead[0]) {
stbsp__cb_buf_clamp(i, lead[0]);
lead[0] -= (char)i;
while (i) {
*bf++ = *sn++;
--i;
}
stbsp__chk_cb_buf(1);
}
// copy leading zeros
c = cs >> 24;
cs &= 0xffffff;
cs = (fl & STBSP__TRIPLET_COMMA) ? ((stbsp__uint32)(c - ((pr + cs) % (c + 1)))) : 0;
while (pr > 0) {
stbsp__cb_buf_clamp(i, pr);
pr -= i;
if ((fl & STBSP__TRIPLET_COMMA) == 0) {
while (i) {
if ((((stbsp__uintptr)bf) & 3) == 0)
break;
*bf++ = '0';
--i;
}
while (i >= 4) {
*(stbsp__uint32 *)bf = 0x30303030;
bf += 4;
i -= 4;
}
}
while (i) {
if ((fl & STBSP__TRIPLET_COMMA) && (cs++ == c)) {
cs = 0;
*bf++ = stbsp__comma;
} else
*bf++ = '0';
--i;
}
stbsp__chk_cb_buf(1);
}
}
// copy leader if there is still one
sn = lead + 1;
while (lead[0]) {
stbsp__int32 i;
stbsp__cb_buf_clamp(i, lead[0]);
lead[0] -= (char)i;
while (i) {
*bf++ = *sn++;
--i;
}
stbsp__chk_cb_buf(1);
}
// copy the string
n = l;
while (n) {
stbsp__int32 i;
stbsp__cb_buf_clamp(i, n);
n -= i;
STBSP__UNALIGNED(while (i >= 4) {
*(stbsp__uint32 volatile *)bf = *(stbsp__uint32 volatile *)s;
bf += 4;
s += 4;
i -= 4;
})
while (i) {
*bf++ = *s++;
--i;
}
stbsp__chk_cb_buf(1);
}
// copy trailing zeros
while (tz) {
stbsp__int32 i;
stbsp__cb_buf_clamp(i, tz);
tz -= i;
while (i) {
if ((((stbsp__uintptr)bf) & 3) == 0)
break;
*bf++ = '0';
--i;
}
while (i >= 4) {
*(stbsp__uint32 *)bf = 0x30303030;
bf += 4;
i -= 4;
}
while (i) {
*bf++ = '0';
--i;
}
stbsp__chk_cb_buf(1);
}
// copy tail if there is one
sn = tail + 1;
while (tail[0]) {
stbsp__int32 i;
stbsp__cb_buf_clamp(i, tail[0]);
tail[0] -= (char)i;
while (i) {
*bf++ = *sn++;
--i;
}
stbsp__chk_cb_buf(1);
}
// handle the left justify
if (fl & STBSP__LEFTJUST)
if (fw > 0) {
while (fw) {
stbsp__int32 i;
stbsp__cb_buf_clamp(i, fw);
fw -= i;
while (i) {
if ((((stbsp__uintptr)bf) & 3) == 0)
break;
*bf++ = ' ';
--i;
}
while (i >= 4) {
*(stbsp__uint32 *)bf = 0x20202020;
bf += 4;
i -= 4;
}
while (i--)
*bf++ = ' ';
stbsp__chk_cb_buf(1);
}
}
break;
default: // unknown, just copy code
s = num + STBSP__NUMSZ - 1;
*s = f[0];
l = 1;
fw = fl = 0;
lead[0] = 0;
tail[0] = 0;
pr = 0;
dp = 0;
cs = 0;
goto scopy;
}
++f;
}
endfmt:
if (!callback)
*bf = 0;
else
stbsp__flush_cb();
done:
return tlen + (int)(bf - buf);
}
// cleanup
#undef STBSP__LEFTJUST
#undef STBSP__LEADINGPLUS
#undef STBSP__LEADINGSPACE
#undef STBSP__LEADING_0X
#undef STBSP__LEADINGZERO
#undef STBSP__INTMAX
#undef STBSP__TRIPLET_COMMA
#undef STBSP__NEGATIVE
#undef STBSP__METRIC_SUFFIX
#undef STBSP__NUMSZ
#undef stbsp__chk_cb_bufL
#undef stbsp__chk_cb_buf
#undef stbsp__flush_cb
#undef stbsp__cb_buf_clamp
// ============================================================================
// wrapper functions
STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(sprintf)(char *buf, char const *fmt, ...)
{
int result;
va_list va;
va_start(va, fmt);
result = STB_SPRINTF_DECORATE(vsprintfcb)(0, 0, buf, fmt, va);
va_end(va);
return result;
}
typedef struct stbsp__context {
char *buf;
int count;
int length;
char tmp[STB_SPRINTF_MIN];
} stbsp__context;
static char *stbsp__clamp_callback(const char *buf, void *user, int len)
{
stbsp__context *c = (stbsp__context *)user;
c->length += len;
if (len > c->count)
len = c->count;
if (len) {
if (buf != c->buf) {
const char *s, *se;
char *d;
d = c->buf;
s = buf;
se = buf + len;
do {
*d++ = *s++;
} while (s < se);
}
c->buf += len;
c->count -= len;
}
if (c->count <= 0)
return c->tmp;
return (c->count >= STB_SPRINTF_MIN) ? c->buf : c->tmp; // go direct into buffer if you can
}
static char * stbsp__count_clamp_callback( const char * buf, void * user, int len )
{
stbsp__context * c = (stbsp__context*)user;
(void) sizeof(buf);
c->length += len;
return c->tmp; // go direct into buffer if you can
}
STBSP__PUBLICDEF int STB_SPRINTF_DECORATE( vsnprintf )( char * buf, int count, char const * fmt, va_list va )
{
stbsp__context c;
if ( (count == 0) && !buf )
{
c.length = 0;
STB_SPRINTF_DECORATE( vsprintfcb )( stbsp__count_clamp_callback, &c, c.tmp, fmt, va );
}
else
{
int l;
c.buf = buf;
c.count = count;
c.length = 0;
STB_SPRINTF_DECORATE( vsprintfcb )( stbsp__clamp_callback, &c, stbsp__clamp_callback(0,&c,0), fmt, va );
// zero-terminate
l = (int)( c.buf - buf );
if ( l >= count ) // should never be greater, only equal (or less) than count
l = count - 1;
buf[l] = 0;
}
return c.length;
}
STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(snprintf)(char *buf, int count, char const *fmt, ...)
{
int result;
va_list va;
va_start(va, fmt);
result = STB_SPRINTF_DECORATE(vsnprintf)(buf, count, fmt, va);
va_end(va);
return result;
}
STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(vsprintf)(char *buf, char const *fmt, va_list va)
{
return STB_SPRINTF_DECORATE(vsprintfcb)(0, 0, buf, fmt, va);
}
// =======================================================================
// low level float utility functions
#ifndef STB_SPRINTF_NOFLOAT
// copies d to bits w/ strict aliasing (this compiles to nothing on /Ox)
#define STBSP__COPYFP(dest, src) \
{ \
int cn; \
for (cn = 0; cn < 8; cn++) \
((char *)&dest)[cn] = ((char *)&src)[cn]; \
}
// get float info
static stbsp__int32 stbsp__real_to_parts(stbsp__int64 *bits, stbsp__int32 *expo, double value)
{
double d;
stbsp__int64 b = 0;
// load value and round at the frac_digits
d = value;
STBSP__COPYFP(b, d);
*bits = b & ((((stbsp__uint64)1) << 52) - 1);
*expo = (stbsp__int32)(((b >> 52) & 2047) - 1023);
return (stbsp__int32)((stbsp__uint64) b >> 63);
}
static double const stbsp__bot[23] = {
1e+000, 1e+001, 1e+002, 1e+003, 1e+004, 1e+005, 1e+006, 1e+007, 1e+008, 1e+009, 1e+010, 1e+011,
1e+012, 1e+013, 1e+014, 1e+015, 1e+016, 1e+017, 1e+018, 1e+019, 1e+020, 1e+021, 1e+022
};
static double const stbsp__negbot[22] = {
1e-001, 1e-002, 1e-003, 1e-004, 1e-005, 1e-006, 1e-007, 1e-008, 1e-009, 1e-010, 1e-011,
1e-012, 1e-013, 1e-014, 1e-015, 1e-016, 1e-017, 1e-018, 1e-019, 1e-020, 1e-021, 1e-022
};
static double const stbsp__negboterr[22] = {
-5.551115123125783e-018, -2.0816681711721684e-019, -2.0816681711721686e-020, -4.7921736023859299e-021, -8.1803053914031305e-022, 4.5251888174113741e-023,
4.5251888174113739e-024, -2.0922560830128471e-025, -6.2281591457779853e-026, -3.6432197315497743e-027, 6.0503030718060191e-028, 2.0113352370744385e-029,
-3.0373745563400371e-030, 1.1806906454401013e-032, -7.7705399876661076e-032, 2.0902213275965398e-033, -7.1542424054621921e-034, -7.1542424054621926e-035,
2.4754073164739869e-036, 5.4846728545790429e-037, 9.2462547772103625e-038, -4.8596774326570872e-039
};
static double const stbsp__top[13] = {
1e+023, 1e+046, 1e+069, 1e+092, 1e+115, 1e+138, 1e+161, 1e+184, 1e+207, 1e+230, 1e+253, 1e+276, 1e+299
};
static double const stbsp__negtop[13] = {
1e-023, 1e-046, 1e-069, 1e-092, 1e-115, 1e-138, 1e-161, 1e-184, 1e-207, 1e-230, 1e-253, 1e-276, 1e-299
};
static double const stbsp__toperr[13] = {
8388608,
6.8601809640529717e+028,
-7.253143638152921e+052,
-4.3377296974619174e+075,
-1.5559416129466825e+098,
-3.2841562489204913e+121,
-3.7745893248228135e+144,
-1.7356668416969134e+167,
-3.8893577551088374e+190,
-9.9566444326005119e+213,
6.3641293062232429e+236,
-5.2069140800249813e+259,
-5.2504760255204387e+282
};
static double const stbsp__negtoperr[13] = {
3.9565301985100693e-040, -2.299904345391321e-063, 3.6506201437945798e-086, 1.1875228833981544e-109,
-5.0644902316928607e-132, -6.7156837247865426e-155, -2.812077463003139e-178, -5.7778912386589953e-201,
7.4997100559334532e-224, -4.6439668915134491e-247, -6.3691100762962136e-270, -9.436808465446358e-293,
8.0970921678014997e-317
};
#if defined(_MSC_VER) && (_MSC_VER <= 1200)
static stbsp__uint64 const stbsp__powten[20] = {
1,
10,
100,
1000,
10000,
100000,
1000000,
10000000,
100000000,
1000000000,
10000000000,
100000000000,
1000000000000,
10000000000000,
100000000000000,
1000000000000000,
10000000000000000,
100000000000000000,
1000000000000000000,
10000000000000000000U
};
#define stbsp__tento19th ((stbsp__uint64)1000000000000000000)
#else
static stbsp__uint64 const stbsp__powten[20] = {
1,
10,
100,
1000,
10000,
100000,
1000000,
10000000,
100000000,
1000000000,
10000000000ULL,
100000000000ULL,
1000000000000ULL,
10000000000000ULL,
100000000000000ULL,
1000000000000000ULL,
10000000000000000ULL,
100000000000000000ULL,
1000000000000000000ULL,
10000000000000000000ULL
};
#define stbsp__tento19th (1000000000000000000ULL)
#endif
#define stbsp__ddmulthi(oh, ol, xh, yh) \
{ \
double ahi = 0, alo, bhi = 0, blo; \
stbsp__int64 bt; \
oh = xh * yh; \
STBSP__COPYFP(bt, xh); \
bt &= ((~(stbsp__uint64)0) << 27); \
STBSP__COPYFP(ahi, bt); \
alo = xh - ahi; \
STBSP__COPYFP(bt, yh); \
bt &= ((~(stbsp__uint64)0) << 27); \
STBSP__COPYFP(bhi, bt); \
blo = yh - bhi; \
ol = ((ahi * bhi - oh) + ahi * blo + alo * bhi) + alo * blo; \
}
#define stbsp__ddtoS64(ob, xh, xl) \
{ \
double ahi = 0, alo, vh, t; \
ob = (stbsp__int64)xh; \
vh = (double)ob; \
ahi = (xh - vh); \
t = (ahi - xh); \
alo = (xh - (ahi - t)) - (vh + t); \
ob += (stbsp__int64)(ahi + alo + xl); \
}
#define stbsp__ddrenorm(oh, ol) \
{ \
double s; \
s = oh + ol; \
ol = ol - (s - oh); \
oh = s; \
}
#define stbsp__ddmultlo(oh, ol, xh, xl, yh, yl) ol = ol + (xh * yl + xl * yh);
#define stbsp__ddmultlos(oh, ol, xh, yl) ol = ol + (xh * yl);
static void stbsp__raise_to_power10(double *ohi, double *olo, double d, stbsp__int32 power) // power can be -323 to +350
{
double ph, pl;
if ((power >= 0) && (power <= 22)) {
stbsp__ddmulthi(ph, pl, d, stbsp__bot[power]);
} else {
stbsp__int32 e, et, eb;
double p2h, p2l;
e = power;
if (power < 0)
e = -e;
et = (e * 0x2c9) >> 14; /* %23 */
if (et > 13)
et = 13;
eb = e - (et * 23);
ph = d;
pl = 0.0;
if (power < 0) {
if (eb) {
--eb;
stbsp__ddmulthi(ph, pl, d, stbsp__negbot[eb]);
stbsp__ddmultlos(ph, pl, d, stbsp__negboterr[eb]);
}
if (et) {
stbsp__ddrenorm(ph, pl);
--et;
stbsp__ddmulthi(p2h, p2l, ph, stbsp__negtop[et]);
stbsp__ddmultlo(p2h, p2l, ph, pl, stbsp__negtop[et], stbsp__negtoperr[et]);
ph = p2h;
pl = p2l;
}
} else {
if (eb) {
e = eb;
if (eb > 22)
eb = 22;
e -= eb;
stbsp__ddmulthi(ph, pl, d, stbsp__bot[eb]);
if (e) {
stbsp__ddrenorm(ph, pl);
stbsp__ddmulthi(p2h, p2l, ph, stbsp__bot[e]);
stbsp__ddmultlos(p2h, p2l, stbsp__bot[e], pl);
ph = p2h;
pl = p2l;
}
}
if (et) {
stbsp__ddrenorm(ph, pl);
--et;
stbsp__ddmulthi(p2h, p2l, ph, stbsp__top[et]);
stbsp__ddmultlo(p2h, p2l, ph, pl, stbsp__top[et], stbsp__toperr[et]);
ph = p2h;
pl = p2l;
}
}
}
stbsp__ddrenorm(ph, pl);
*ohi = ph;
*olo = pl;
}
// given a float value, returns the significant bits in bits, and the position of the
// decimal point in decimal_pos. +/-INF and NAN are specified by special values
// returned in the decimal_pos parameter.
// frac_digits is absolute normally, but if you want from first significant digits (got %g and %e), or in 0x80000000
static stbsp__int32 stbsp__real_to_str(char const **start, stbsp__uint32 *len, char *out, stbsp__int32 *decimal_pos, double value, stbsp__uint32 frac_digits)
{
double d;
stbsp__int64 bits = 0;
stbsp__int32 expo, e, ng, tens;
d = value;
STBSP__COPYFP(bits, d);
expo = (stbsp__int32)((bits >> 52) & 2047);
ng = (stbsp__int32)((stbsp__uint64) bits >> 63);
if (ng)
d = -d;
if (expo == 2047) // is nan or inf?
{
*start = (bits & ((((stbsp__uint64)1) << 52) - 1)) ? "NaN" : "Inf";
*decimal_pos = STBSP__SPECIAL;
*len = 3;
return ng;
}
if (expo == 0) // is zero or denormal
{
if (((stbsp__uint64) bits << 1) == 0) // do zero
{
*decimal_pos = 1;
*start = out;
out[0] = '0';
*len = 1;
return ng;
}
// find the right expo for denormals
{
stbsp__int64 v = ((stbsp__uint64)1) << 51;
while ((bits & v) == 0) {
--expo;
v >>= 1;
}
}
}
// find the decimal exponent as well as the decimal bits of the value
{
double ph, pl;
// log10 estimate - very specifically tweaked to hit or undershoot by no more than 1 of log10 of all expos 1..2046
tens = expo - 1023;
tens = (tens < 0) ? ((tens * 617) / 2048) : (((tens * 1233) / 4096) + 1);
// move the significant bits into position and stick them into an int
stbsp__raise_to_power10(&ph, &pl, d, 18 - tens);
// get full as much precision from double-double as possible
stbsp__ddtoS64(bits, ph, pl);
// check if we undershot
if (((stbsp__uint64)bits) >= stbsp__tento19th)
++tens;
}
// now do the rounding in integer land
frac_digits = (frac_digits & 0x80000000) ? ((frac_digits & 0x7ffffff) + 1) : (tens + frac_digits);
if ((frac_digits < 24)) {
stbsp__uint32 dg = 1;
if ((stbsp__uint64)bits >= stbsp__powten[9])
dg = 10;
while ((stbsp__uint64)bits >= stbsp__powten[dg]) {
++dg;
if (dg == 20)
goto noround;
}
if (frac_digits < dg) {
stbsp__uint64 r;
// add 0.5 at the right position and round
e = dg - frac_digits;
if ((stbsp__uint32)e >= 24)
goto noround;
r = stbsp__powten[e];
bits = bits + (r / 2);
if ((stbsp__uint64)bits >= stbsp__powten[dg])
++tens;
bits /= r;
}
noround:;
}
// kill long trailing runs of zeros
if (bits) {
stbsp__uint32 n;
for (;;) {
if (bits <= 0xffffffff)
break;
if (bits % 1000)
goto donez;
bits /= 1000;
}
n = (stbsp__uint32)bits;
while ((n % 1000) == 0)
n /= 1000;
bits = n;
donez:;
}
// convert to string
out += 64;
e = 0;
for (;;) {
stbsp__uint32 n;
char *o = out - 8;
// do the conversion in chunks of U32s (avoid most 64-bit divides, worth it, constant denomiators be damned)
if (bits >= 100000000) {
n = (stbsp__uint32)(bits % 100000000);
bits /= 100000000;
} else {
n = (stbsp__uint32)bits;
bits = 0;
}
while (n) {
out -= 2;
*(stbsp__uint16 *)out = *(stbsp__uint16 *)&stbsp__digitpair.pair[(n % 100) * 2];
n /= 100;
e += 2;
}
if (bits == 0) {
if ((e) && (out[0] == '0')) {
++out;
--e;
}
break;
}
while (out != o) {
*--out = '0';
++e;
}
}
*decimal_pos = tens;
*start = out;
*len = e;
return ng;
}
#undef stbsp__ddmulthi
#undef stbsp__ddrenorm
#undef stbsp__ddmultlo
#undef stbsp__ddmultlos
#undef STBSP__SPECIAL
#undef STBSP__COPYFP
#endif // STB_SPRINTF_NOFLOAT
// clean up
#undef stbsp__uint16
#undef stbsp__uint32
#undef stbsp__int32
#undef stbsp__uint64
#undef stbsp__int64
#undef STBSP__UNALIGNED
#endif // STB_SPRINTF_IMPLEMENTATION
/*
------------------------------------------------------------------------------
This software is available under 2 licenses -- choose whichever you prefer.
------------------------------------------------------------------------------
ALTERNATIVE A - MIT License
Copyright (c) 2017 Sean Barrett
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
------------------------------------------------------------------------------
ALTERNATIVE B - Public Domain (www.unlicense.org)
This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
software, either in source code form or as a compiled binary, for any purpose,
commercial or non-commercial, and by any means.
In jurisdictions that recognize copyright laws, the author or authors of this
software dedicate any and all copyright interest in the software to the public
domain. We make this dedication for the benefit of the public at large and to
the detriment of our heirs and successors. We intend this dedication to be an
overt act of relinquishment in perpetuity of all present and future rights to
this software under copyright law.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
------------------------------------------------------------------------------
*/
#endif // DQN_STB_SPRINTF_HEADER_ONLY
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