tdisplaytextitem: check popen() - sacc - simple console gopher client
 (HTM) git clone git://src.adamsgaard.dk/sacc
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       ---
 (DIR) commit 802d765ffd723b0e3298d6f070bf5301ae0ddadd
 (DIR) parent e1eceee39ab489e5bc8ead2f8244b0cad3d1618f
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sun, 25 Feb 2018 16:32:48 +0100
       
       displaytextitem: check popen()
       
       $PAGER is always set, but this might fail if resource limits or other
       restrictions are set.
       
       Diffstat:
         M sacc.c                              |       3 ++-
       
       1 file changed, 2 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/sacc.c b/sacc.c
       t@@ -248,7 +248,8 @@ displaytextitem(Item *item)
                        return;
                case 0:
                        parent = 0;
       -                pagerin = popen("$PAGER", "we");
       +                if (!(pagerin = popen("$PAGER", "we")))
       +                        _exit(1);
                        fputs(item->raw, pagerin);
                        exit(pclose(pagerin));
                default: