C Defaults (Debugging with GDB)
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15.4.1.4 C and C++ Defaults
If you allow GDB to set range checking automatically, it defaults to off
whenever the working language changes to C or C++. This happens regardless of whether you or GDB selects the working language.
If you allow GDB to set the language automatically, it recognizes source files whose names end with .c
, .C
, or .cc
, etc, and when GDB enters code compiled from one of these files, it sets the working language to C or C++. See Having GDB Infer the Source Language, for further details.