samples: hello_arduino: Correct printk format specifier (again)#165
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DhruvaG2000 merged 1 commit intozephyrproject-rtos:nextfrom Feb 27, 2026
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samples: hello_arduino: Correct printk format specifier (again)#165DhruvaG2000 merged 1 commit intozephyrproject-rtos:nextfrom
DhruvaG2000 merged 1 commit intozephyrproject-rtos:nextfrom
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Fixed to use %zu which corresponds to size_t. Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>
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Pull request overview
This PR corrects the printk format specifiers in the hello_arduino sample from %zd (signed) to %zu (unsigned) to properly match the size_t type. The title includes "(again)" indicating this is a recurring fix for the same issue.
Changes:
- Updated all three printk statements to use the correct
%zuformat specifier forsize_treturn values from Serial.print() and Serial.println() methods
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DhruvaG2000
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Ahh I read through https://docs.kernel.org/core-api/printk-formats.html and seems right, z it is!
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Fixed to use %zu which corresponds to size_t.