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简单赋值防止数据被优化

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zhkag 2023-01-06 02:10:14 +00:00 committed by guo
parent a15a5b19a4
commit 1730874cd8
1 changed files with 1 additions and 0 deletions
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1
components/libc/posix/ipc/mqueue.c
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@ -127,6 +127,7 @@ mqd_t mq_open(const char *name, int oflag, ...)
mode = (mode_t)va_arg(arg, unsigned int); mode = (mode_t)va_arg(arg, unsigned int);
mode = mode; mode = mode;
attr = (struct mq_attr *)va_arg(arg, struct mq_attr *); attr = (struct mq_attr *)va_arg(arg, struct mq_attr *);
attr = attr;
va_end(arg); va_end(arg);
if (oflag & O_EXCL) if (oflag & O_EXCL)