When you have a C program that uses known non-multithreaded functions such as strtok, ctime... is there a compiler (gcc, clang, icc...) option to trigger a warning, possibly reminding you to use strtok_r, ctime_r, etc...? Maybe something to do with the way the compiler deals with obsolete functions ? It would be more accurate than to grep the source code.
Is there a gcc warning for non-multithreaded native C functions?
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