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synced 2026-04-28 10:43:30 +02:00
Max Kellermann
c1a06704da
Casting a huge unsigned value to signed is implementation-defined behavior in C. By introducing the ZEND_THREEWAY_COMPARE() macro, we can sidestep this integer overflow/underflow/casting problem.
23 lines
728 B
PHP
23 lines
728 B
PHP
--TEST--
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Test strncasecmp() function : usage variations - binary safe
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--FILE--
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<?php
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/* Test strncasecmp() function with null terminated strings and binary values passed to 'str1' & 'str2' */
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echo "*** Test strncasecmp() function: with null terminated strings and binary inputs ***\n";
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/* A binary function should not expect a null terminated string, and it should treat input as a raw stream of data */
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$str1 = "Hello\0world";
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$str2 = "Hello\0";
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$str3 = "Hello,".chr(0)."world";
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var_dump( strncasecmp($str1, $str2, 12) );
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var_dump( strncasecmp($str3, "Hello,world", 12) );
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echo "*** Done ***\n";
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?>
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--EXPECT--
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*** Test strncasecmp() function: with null terminated strings and binary inputs ***
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int(1)
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int(-119)
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*** Done ***
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