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8259637: java.io.File.getCanonicalPath() returns different values for same path

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Reviewed-by: alanb
This commit is contained in:
Brian Burkhalter 2023-12-18 18:10:34 +00:00
parent 4f3de09672
commit b98d13fc3c
2 changed files with 36 additions and 7 deletions
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10
src/java.base/unix/native/libjava/path_util.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2021, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2021, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -157,7 +157,13 @@ collapse(char *path)
for (j = i - 1; j >= 0; j--) {
if (ix[j]) break;
}
if (j < 0) continue;
if (j < 0) {
// If there is no preceding name and this path is absolute,
// then remove this instance of ".."
if (path[0] == '/')
ix[i] = 0;
continue;
}
ix[j] = 0;
ix[i] = 0;
}