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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 s[2];
  7.  
  8. 	va_list ap;
  9. 	va_start(ap, format);
  10. 	int written = vsnprintf(s, 1, format, ap);
  11. 	va_end(ap);
  12.  
  13. 	printf("written = %d", written);
  14. }
  15.  
  16. int main() {
  17.   pxy_conn_ctx_trace("%d", 32768);
  18.  
  19.   return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5280KB
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stdin
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Standard input is empty
stdout
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written = 5
https://ideone.com/ZrPXBC
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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