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update libpng

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update libpng, the repo now requires a vcpkg setup for integrating but skipping the install step should allow it to work for windows an linux, mac might need more
This commit is contained in:
marauder2k7 2025-12-31 20:11:14 +00:00
parent c593d860a0
commit 5d644b4ffb
300 changed files with 25573 additions and 17698 deletions
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101
Engine/lib/lpng/contrib/libtests/tarith.c
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@ -1,10 +1,8 @@
/* tarith.c
*
* Copyright (c) 2021 Cosmin Truta
* Copyright (c) 2011-2013 John Cunningham Bowler
*
* Last changed in libpng 1.6.0 [February 14, 2013]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
@ -88,6 +86,7 @@ int validation_ascii_to_fp(int count, int argc, char **argv)
int minorarith = 0;
while (--argc > 0)
{
if (strcmp(*++argv, "-a") == 0)
showall = 1;
else if (strcmp(*argv, "-e") == 0 && argc > 0)
@ -105,6 +104,7 @@ int validation_ascii_to_fp(int count, int argc, char **argv)
fprintf(stderr, "unknown argument %s\n", *argv);
return 1;
}
}
do
{
@ -130,8 +130,8 @@ int validation_ascii_to_fp(int count, int argc, char **argv)
*/
if (buffer[precision+7] != 71)
{
fprintf(stderr, "%g[%d] -> '%s'[%lu] buffer overflow\n", test,
precision, buffer, (unsigned long)strlen(buffer));
fprintf(stderr, "%g[%d] -> '%s'[%lu] buffer overflow\n",
test, precision, buffer, (unsigned long)strlen(buffer));
failed = 1;
}
@ -146,16 +146,16 @@ int validation_ascii_to_fp(int count, int argc, char **argv)
if (test >= 0 && strcmp(buffer, "inf") ||
test < 0 && strcmp(buffer, "-inf"))
{
fprintf(stderr, "%g[%d] -> '%s' but expected 'inf'\n", test,
precision, buffer);
fprintf(stderr, "%g[%d] -> '%s' but expected 'inf'\n",
test, precision, buffer);
failed = 1;
}
}
else if (!png_check_fp_number(buffer, precision+10, &state, &index) ||
buffer[index] != 0)
{
fprintf(stderr, "%g[%d] -> '%s' but has bad format ('%c')\n", test,
precision, buffer, buffer[index]);
fprintf(stderr, "%g[%d] -> '%s' but has bad format ('%c')\n",
test, precision, buffer, buffer[index]);
failed = 1;
}
else if (PNG_FP_IS_NEGATIVE(state) && !(test < 0))
@ -187,7 +187,7 @@ int validation_ascii_to_fp(int count, int argc, char **argv)
/* Check the result against the original. */
double out = atof(buffer);
double change = fabs((out - test)/test);
double allow = .5/pow(10,
double allow = .5 / pow(10,
(precision >= DBL_DIG) ? DBL_DIG-1 : precision-1);
/* NOTE: if you hit this error case are you compiling with gcc
@ -257,8 +257,9 @@ skip:
}
while (--count);
printf("Tested %d finite values, %d non-finite, %d OK (%d failed) %d minor "
"arithmetic errors\n", finite, nonfinite, ok, failcount, minorarith);
printf("Tested %d finite values, %d non-finite, %d OK (%d failed) "
"%d minor arithmetic errors\n",
finite, nonfinite, ok, failcount, minorarith);
printf(" Error with >=%d digit precision %.2f%%\n", DBL_DIG, max_abs);
printf(" Error with < %d digit precision %.2f%%\n", DBL_DIG, max);
@ -371,8 +372,8 @@ static int check_one_character(checkfp_command *co, checkfp_control c, int ch)
/* This should never fail (it's a serious bug if it does): */
if (index != 0 && index != 1)
{
fprintf(stderr, "%s: read beyond end of string (%lu)\n", co->number,
(unsigned long)index);
fprintf(stderr, "%s: read beyond end of string (%lu)\n",
co->number, (unsigned long)index);
return 0;
}
@ -503,8 +504,8 @@ static int check_one_character(checkfp_command *co, checkfp_control c, int ch)
if (number_is_valid != c.number_was_valid)
{
fprintf(stderr,
"%s: character '%c' [0x%.2x] changed number validity\n", co->number,
ch, ch);
"%s: character '%c' [0x%.2x] changed number validity\n",
co->number, ch, ch);
return 0;
}
@ -521,10 +522,13 @@ static int check_all_characters(checkfp_command *co, checkfp_control c)
{
int ch;
if (c.cnumber+4 < sizeof co->number) for (ch=0; ch<256; ++ch)
if (c.cnumber+4 < sizeof co->number)
{
if (!check_one_character(co, c, ch))
return 0;
for (ch=0; ch<256; ++ch)
{
if (!check_one_character(co, c, ch))
return 0;
}
}
return 1;
@ -539,10 +543,13 @@ static int check_some_characters(checkfp_command *co, checkfp_control c,
if (c.cnumber+4 < sizeof co->number && c.limit >= 0)
{
if (c.limit > 0) for (i=0; tests[i]; ++i)
if (c.limit > 0)
{
if (!check_one_character(co, c, tests[i]))
return 0;
for (i=0; tests[i]; ++i)
{
if (!check_one_character(co, c, tests[i]))
return 0;
}
}
/* At the end check all the characters. */
@ -616,10 +623,10 @@ int validation_muldiv(int count, int argc, char **argv)
png_int_32 times, div;
while (--argc > 0)
{
fprintf(stderr, "unknown argument %s\n", *++argv);
return 1;
}
{
fprintf(stderr, "unknown argument %s\n", *++argv);
return 1;
}
/* Find out about the random number generator. */
randbuffer = RAND_MAX;
@ -687,25 +694,25 @@ int validation_muldiv(int count, int argc, char **argv)
ok = 0, ++overflow, fpround = fp/*misleading*/;
if (verbose)
fprintf(stderr, "TEST %d * %d / %d -> %lld (%s)\n", a, times, div,
fp, ok ? "ok" : "overflow");
fprintf(stderr, "TEST %d * %d / %d -> %lld (%s)\n",
a, times, div, fp, ok ? "ok" : "overflow");
++tested;
if (png_muldiv(&result, a, times, div) != ok)
{
++error;
if (ok)
fprintf(stderr, "%d * %d / %d -> overflow (expected %lld)\n", a,
times, div, fp);
fprintf(stderr, "%d * %d / %d -> overflow (expected %lld)\n",
a, times, div, fp);
else
fprintf(stderr, "%d * %d / %d -> %d (expected overflow %lld)\n", a,
times, div, result, fp);
fprintf(stderr, "%d * %d / %d -> %d (expected overflow %lld)\n",
a, times, div, result, fp);
}
else if (ok && result != fpround)
{
++error;
fprintf(stderr, "%d * %d / %d -> %d not %lld\n", a, times, div, result,
fp);
fprintf(stderr, "%d * %d / %d -> %d not %lld\n",
a, times, div, result, fp);
}
else
++passed;
@ -721,8 +728,8 @@ int validation_muldiv(int count, int argc, char **argv)
}
while (--count > 0);
printf("%d tests including %d overflows, %d passed, %d failed (%d 64-bit "
"errors)\n", tested, overflow, passed, error, error64);
printf("%d tests including %d overflows, %d passed, %d failed "
"(%d 64-bit errors)\n", tested, overflow, passed, error, error64);
return 0;
}
@ -821,8 +828,9 @@ int validation_gamma(int argc, char **argv)
{
if (error > .68) /* By experiment error is less than .68 */
{
fprintf(stderr, "16-bit log error: %d: got %u, expected %f"
" error: %f\n", i, png_log16bit(i), correct, error);
fprintf(stderr,
"16-bit log error: %d: got %u, expected %f error: %f\n",
i, png_log16bit(i), correct, error);
}
}
}
@ -841,8 +849,9 @@ int validation_gamma(int argc, char **argv)
maxerr = fabs(error);
if (fabs(error) > 1883) /* By experiment. */
{
fprintf(stderr, "32-bit exp error: %d: got %u, expected %f"
" error: %f\n", i, png_exp(i), correct, error);
fprintf(stderr,
"32-bit exp error: %d: got %u, expected %f error: %f\n",
i, png_exp(i), correct, error);
}
}
@ -859,8 +868,9 @@ int validation_gamma(int argc, char **argv)
maxerr = fabs(error);
if (fabs(error) > .50002) /* By experiment */
{
fprintf(stderr, "8-bit exp error: %d: got %u, expected %f"
" error: %f\n", i, png_exp8bit(i), correct, error);
fprintf(stderr,
"8-bit exp error: %d: got %u, expected %f error: %f\n",
i, png_exp8bit(i), correct, error);
}
}
@ -877,8 +887,9 @@ int validation_gamma(int argc, char **argv)
maxerr = fabs(error);
if (fabs(error) > .524) /* By experiment */
{
fprintf(stderr, "16-bit exp error: %d: got %u, expected %f"
" error: %f\n", i, png_exp16bit(i), correct, error);
fprintf(stderr,
"16-bit exp error: %d: got %u, expected %f error: %f\n",
i, png_exp16bit(i), correct, error);
}
}
@ -940,7 +951,7 @@ int validation_gamma(int argc, char **argv)
/**************************** VALIDATION TESTS ********************************/
/* Various validation routines are included herein, they require some
* definition for png_warning and png_error, seetings of VALIDATION:
* definition for png_warning and png_error, settings of VALIDATION:
*
* 1: validates the ASCII to floating point conversions
* 2: validates png_muldiv