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  1. #include <stdio.h>
  2. #include <stdarg.h>
  3.  
  4. void pxy_conn_ctx_trace(const char* format, ...)
  5. {
  6.     char result[2] = {};
  7.  
  8. 	va_list ap;
  9. 	va_start(ap, format);
  10. 	const int written = vsnprintf(result, 2, format, ap);
  11. 	va_end(ap);
  12.  
  13. 	printf("written = %d\n", written);
  14. 	printf("result: '%s'\n", result);
  15. }
  16.  
  17. int main() {
  18.   pxy_conn_ctx_trace("%d", 32768);
  19.  
  20.   return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
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Standard input is empty
stdout
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written = 5
result: '3'
https://ideone.com/H9X208
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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