Simple stack trace

stacktrace.h

#include <execinfo.h>

#define PRINT_STACKTRACE(TAG)                        \
{                                                    \
    void*  buffer[256];                              \
    int count = backtrace(buffer, 256);              \
                                                     \
    char** calls = backtrace_symbols(buffer, count); \
    if (calls != nullptr)                            \
    {                                                \
        for (int i =0 ; i < count; i++)              \
        {                                            \
            printf("%s %d:%s", TAG, i, calls[i]);    \
        }                                            \
        free(calls);                                 \
    }                                                \
}