// assert() with printf() style messaging example by gbmhunter for www.mbedded.ninja
// Designed as an example of assert() for embedded systems.
// See http://w...content-available-to-author-only...d.ninja/programming/languages/c/assertions-assert
#include <cassert>
#include <cstdio>
 
#define LOG_ERROR(M, ...) fprintf(stderr, "[ERROR] (%s:%d) " M "\r\n", __FILE__, __LINE__, ##__VA_ARGS__)
#define assertf(A, M, ...) if(!(A)) { LOG_ERROR(M, ##__VA_ARGS__); assert(A); }
 
int main() {    
    int x = 6;    
    assertf(x == 7, "x must equal 7. x = %i.", x);    
}
 

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