Compilers are amazing #1: GCC's built-in strcpy() implementation

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This is part 1 of possibly a 1-part series. We’ll see. Has this ever happened to you? You have some code like this: #include <string.h> #include <stdio.h> int main () { char buf [ 32 ] = { 0 }; strcpy ( buf , "Hello world, this is a long string" ); puts ( buf ); } You compile it, run it under a debugger like GDB (or ltrace ?) and set a breakpoint for the call to strcpy() : $ gcc test.c -o test $…

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