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重载 printf 导致输出文本格式化异常 #1

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darktiny opened this issue Jan 19, 2016 · 0 comments
Open

重载 printf 导致输出文本格式化异常 #1

darktiny opened this issue Jan 19, 2016 · 0 comments

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@darktiny
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tracepath.c 中重载了 printf，但在某些情况下，该函数不会被调用，例如 printf("\n")

这似乎和 GCC 与 LLVM 对 printf 的优化有关

http://www.ciselant.de/projects/gcc_printf/gcc_printf.html
https://groups.google.com/forum/#!topic/llvm-dev/slE2q7yoN-4
https://gcc.gnu.org/ml/gcc-help/2009-10/msg00362.html
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@darktiny