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Fix zero-extension on range() char parameters

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Niels Dossche
2025-11-11 00:01:38 +01:00
parent 9d9f979ca1
commit 5185d46ccc
1 changed files with 3 additions and 3 deletions
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6
ext/standard/array.c
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@@ -3049,9 +3049,9 @@ PHP_FUNCTION(range)
goto handle_numeric_inputs;
}
/* Generate array of characters, as ints to make bounds checking possible in the loop condition */
int low = Z_STRVAL_P(user_start)[0];
int high = Z_STRVAL_P(user_end)[0];
/* Generate array of characters, as zero-extended ints to make bounds checking possible in the loop condition */
int low = (unsigned char) Z_STRVAL_P(user_start)[0];
int high = (unsigned char) Z_STRVAL_P(user_end)[0];
/* Decreasing char range */
if (low > high) {