3 ms·

Thanks to apple we have a compiler alternative, that actually helps with this problem. alistra@bialobrewy ~ % clang -Weverything 1.c 1.c:6:8: warning: comp

• noodly 15y ago
  gcc also has -Wsign-compare option that warns about such comparisons.
• greyfade 15y ago
  GCC prints a similar warning with `-Wall`
  • thealistra 15y ago
    actually with -Wextra alistra@bialobrewy ~ % gcc -Wextra 1.c 1.c: In function ‘main’: 1.c:6:8: warning: comparison between signed and unsigned integer expressions alistra@bialobrewy ~ % gcc -Wall 1.c alistra@bialobrewy ~ %
    • _delirium 15y ago
      Yes, for some reason in gcc, -Wall enables -Wsign-compare in C++ mode, but not in C mode. Maybe too much existing C code uses those kinds of comparisons?
      • thealistra 15y ago
        The fact the code uses those kinds of comparisons, doesn't mean, that it uses it properly.