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@xmaowu xmaowu commented May 20, 2025

拉取/合并请求描述:(PR description)

[

为什么提交这份PR (why to submit this PR)

specified bound 4294967295 exceeds maximum object size 2147483647 [-Wformat-truncation=]

你的解决方案是什么 (what is your solution)

修改参数size的值

请提供验证的bsp和config (provide the config and bsp)

  • BSP:
  • .config:
  • action:

]

当前拉取/合并请求的状态 Intent for your PR

必须选择一项 Choose one (Mandatory):

  • 本拉取/合并请求是一个草稿版本 This PR is for a code-review and is intended to get feedback
  • 本拉取/合并请求是一个成熟版本 This PR is mature, and ready to be integrated into the repo

代码质量 Code Quality:

我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:

  • 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
  • 代码风格正确,包括缩进空格,命名及其他风格 Style guide is adhered to, including spacing, naming and other styles
  • 没有垃圾代码,代码尽量精简,不包含#if 0代码,不包含已经被注释了的代码 All redundant code is removed and cleaned up
  • 所有变更均有原因及合理的,并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
  • 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
  • 代码是高质量的 Code in this PR is of high quality
  • 已经使用formatting 等源码格式化工具确保格式符合RT-Thread代码规范 This PR complies with RT-Thread code specification
  • 如果是新增bsp, 已经添加ci检查到.github/workflows/bsp_buildings.yml 详细请参考链接BSP自查

@github-actions github-actions bot added the Kernel PR has src relate code label May 20, 2025
@lianux-mm
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已有修复方案目前在审核中

@xmaowu
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xmaowu commented Dec 24, 2025

@Rbb666 佬,这个还有后续吗

@Rbb666
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Rbb666 commented Dec 24, 2025

rt_vsprintf size 参数是不限制输出长度的格式化打印函数,>> 1 会把最大长度砍半,这个目的是什么呢?

@xmaowu
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xmaowu commented Dec 24, 2025

rt_vsprintf size 参数是不限制输出长度的格式化打印函数,>> 1 会把最大长度砍半,这个目的是什么呢?

标准库上vsnprintf是限制最大输出长度的,不能超过RSIZE_MAX,我编译的时候编译器会报specified bound 4294967295 exceeds maximum object size 2147483647 [-Wformat-truncation=]

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