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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <stdlib.h>
  4.  
  5. int main()
  6. {
  7.     char d[8];
  8.     char d_format[32];
  9.  
  10.     if (snprintf(d_format, sizeof(d_format), "%%%lus", sizeof(d) - 1) > 0)
  11.     {
  12.         printf("d_format=[%s]\n", d_format);
  13.         if (1 == scanf(d_format, d))
  14.         {
  15.             printf("%s\n", d);
  16.         }
  17.     }
  18.     return 0;
  19. }
  20.  
Success #stdin #stdout 0s 2296KB
comments (?)
stdin
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1234567890
stdout
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d_format=[%7s]
1234567
https://ideone.com/9IsmgH
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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