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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.     char buf[10];
  5.     for (int k = 0; k < 6; k++) {
  6.     	int res = snprintf(buf, k, "%s", "foo");
  7.     	printf("%d: snprintf() returned %d; buf has [%s] (%d chars)\n",
  8.     	      k, res, buf, (int)strlen(buf));
  9.     }
  10. 	return 0;
  11. }
  12.  
Success #stdin #stdout 0s 4404KB
comments (?)
stdin 
Standard input is empty
stdout 
0: snprintf() returned 3; buf has [] (0 chars)
1: snprintf() returned 3; buf has [] (0 chars)
2: snprintf() returned 3; buf has [f] (1 chars)
3: snprintf() returned 3; buf has [fo] (2 chars)
4: snprintf() returned 3; buf has [foo] (3 chars)
5: snprintf() returned 3; buf has [foo] (3 chars)
https://ideone.com/ScsI4U
snprintf
language:
C (gcc 8.3)
created:
5 years ago
visibility:
secret

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