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Dropped passing dummy variable to select() in example, use NULL instead.

Merged Dropped passing dummy variable to select() in example, use NULL instead.
avoid-compiler-alias-warning into master
Merged Petter Reinholdtsen requested to merge avoid-compiler-alias-warning into master
  1. Mar 07, 2025
    • Petter Reinholdtsen's avatar
      Dropped passing dummy variable to select() in example, use NULL instead. · 070b5c40
      Petter Reinholdtsen authored 
      Both POSIX, the Linux documentation and UNIX Network Programming volume 1
by Stephens state that NULL is accepted.

This avoid the following compiler message:

../../examples/player_example.c: In function ‘main’:
../../examples/player_example.c:839:22: warning: passing argument 2 to ‘restrict’-qualified parameter aliases with argument 4 [-Werror=restrict]
  839 |           n=select(n,&empty,&writefs,&empty,&timeout);
      |                      ^~~~~~          ~~~~~~
../../examples/player_example.c:843:18: warning: passing argument 2 to ‘restrict’-qualified parameter aliases with argument 4 [-Werror=restrict]
  843 |         select(n,&empty,&writefs,&empty,NULL);
      |                  ^~~~~~          ~~~~~~
      070b5c40