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Use uintptr_t instead of performing pointer subtraction with a null pointer

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Signed-off-by: Qihao Chencao <twose@qq.com>

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Qihao Chencao
2022-06-28 16:57:55 +08:00
committed by Adhemerval Zanella
parent dab6344279
commit cc4d6614b5
12 changed files with 35 additions and 36 deletions
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nss/nss_files/files-alias.c
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@@ -281,7 +281,7 @@ get_next_alias (FILE *stream, const char *match, struct aliasent *result,
/* Adjust the pointer so it is aligned for
storing pointers. */
first_unused += __alignof__ (char *) - 1;
first_unused -= ((first_unused - (char *) 0)
first_unused -= (((uintptr_t) first_unused)
% __alignof__ (char *));
result->alias_members = (char **) first_unused;