Author
anonymous
over 4 years ago
Language
C
Compiler
gcc 11.1.0
Options
Warnings
C11(GNU)
no pedantic
Author
anonymous
over 4 years ago
$ gcc prog.c -Wall -Wextra -std=gnu11  prog.c: In function 'main':
prog.c:4:16: warning: format argument 2 unused before used argument 3 in '$'-style format [-Wformat=]
    4 |         printf("%1$*3$s\n", "a", "b", 10, 20);
      |                ^~~~~~~~~~~
prog.c:4:16: warning: unused arguments in '$'-style format [-Wformat-extra-args]
prog.c:5:16: warning: format argument 2 unused before used argument 4 in '$'-style format [-Wformat=]
    5 |         printf("%1$*4$s\n", "a", "b", 10, 20);
      |                ^~~~~~~~~~~
prog.c:5:16: warning: format argument 3 unused before used argument 4 in '$'-style format [-Wformat=]
prog.c:6:16: warning: format argument 1 unused before used argument 3 in '$'-style format [-Wformat=]
    6 |         printf("%2$*3$s\n", "a", "b", 10, 20);
      |                ^~~~~~~~~~~
prog.c:6:16: warning: unused arguments in '$'-style format [-Wformat-extra-args]
prog.c:7:16: warning: format argument 1 unused before used argument 4 in '$'-style format [-Wformat=]
    7 |         printf("%2$*4$s\n", "a", "b", 10, 20);
      |                ^~~~~~~~~~~
prog.c:7:16: warning: format argument 3 unused before used argument 4 in '$'-style format [-Wformat=]
         a
                   a
         b
                   b
Exit Code: 
0