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Author

anonymous

almost 4 years ago

Language

C

Compiler

gcc 11.1.0

Options
Warnings
C11(GNU)
no pedantic

Author

anonymous

almost 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