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Compilation fails because of missing default return value #9

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pe1rmg opened this issue Sep 30, 2023 · 0 comments · May be fixed by #11
Open

Compilation fails because of missing default return value #9

pe1rmg opened this issue Sep 30, 2023 · 0 comments · May be fixed by #11

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@pe1rmg
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pe1rmg commented Sep 30, 2023

I am using Arduino IDE 2.2.1 and when compiling the example sketch I get the following error:

/Users/pe1rmg/Documents/Arduino/libraries/LTC2942/src/LTC2942.cpp: In member function 'uint8_t LTC2942::findExponentOfPowerOfTwo(uint8_t)':
/Users/pe1rmg/Documents/Arduino/libraries/LTC2942/src/LTC2942.cpp:195:1: error: control reaches end of non-void function [-Werror=return-type]
  195 | }
      | ^
cc1plus: some warnings being treated as errors

exit status 1

Compilation error: exit status 1

I have solved this by adding "return 0;" at line 195, so there is a default return value, even when it will never reach the default return.
Maybe you can add this in your library to make it compatible with the current Arduino IDE compiler settings?

Thanks!
jdavid added a commit to jdavid/LTC2942-Arduino-Library that referenced this issue Mar 7, 2024
@jdavid
Fix compiler error in findExponentOfPowerOfTwo
7706e99 
Fixes MacroYau#9

[...]/LTC2942.cpp: In member function 'uint8_t LTC2942::findExponentOfPowerOfTwo(uint8_t)':
[...]/LTC2942.cpp:195:1: error: control reaches end of non-void function [-Werror=return-type]
 }
 ^
cc1plus: some warnings being treated as errors
@jdavid jdavid linked a pull request Mar 7, 2024 that will close this issue
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Fix compiler error in findExponentOfPowerOfTwo jdavid/LTC2942-Arduino-Library
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@pe1rmg