Proper rewrite of function termsize (renamed getTerminalHeight): - add documentation - use constant instead of litteral integer value for the fd - handle ioctl failure - use better return type - clic - Clic is an command line interactive client for gopher written in Common LISP
 (HTM) git clone git://bitreich.org/clic/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/clic/
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       ---
 (DIR) commit 40244f6eac457069e60611709cda1851aae1eb08
 (DIR) parent 27321d7d6a66be5fd4f18a8acc515387e5bb1564
 (HTM) Author: killruana <killruana@gmail.com>
       Date:   Sat, 11 Nov 2017 13:29:36 +0100
       
       Proper rewrite of function termsize (renamed getTerminalHeight):
         - add documentation
         - use constant instead of litteral integer value for the fd
         - handle ioctl failure
         - use better return type
       
       Diffstat:
         M extension.c                         |      17 +++++++++++++----
       
       1 file changed, 13 insertions(+), 4 deletions(-)
       ---
 (DIR) diff --git a/extension.c b/extension.c
       @@ -1,8 +1,17 @@
       +#include <limits.h>
        #include <sys/ioctl.h>
       +#include <unistd.h>
        
       -int termsize()
       +/**
       + * @brief Get the height of the terminal in term of visible lines
       + * @return the height of the terminal or UINT_MAX in case of error
       + */
       +unsigned int getTerminalHeight()
        {
       -  struct winsize w;
       -  ioctl(0,TIOCGWINSZ, &w);
       -  return(w.ws_row);
       +    struct winsize w;
       +    if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) < 0) {
       +        return UINT_MAX;
       +    }
       +
       +    return w.ws_row;
        }