tHandle errors on munmap. It can fail too. - catpoint - Catpoint simple presenting software.
 (HTM) git clone git://r-36.net/catpoint
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       ---
 (DIR) commit c19639a4edb1186cdeb5655f0758506085dca7db
 (DIR) parent 9d56979dedbc9a3b279291ad07ab4ce277e8f5e7
 (HTM) Author: Christoph Lohmann <20h@r-36.net>
       Date:   Sun, 20 Dec 2020 14:34:51 +0100
       
       Handle errors on munmap. It can fail too.
       
       Diffstat:
         catpoint.c                          |       6 ++++--
       
       1 file changed, 4 insertions(+), 2 deletions(-)
       ---
 (DIR) diff --git a/catpoint.c b/catpoint.c
       t@@ -34,8 +34,10 @@ reload(char **argv, int i)
                struct stat statbuf;
                int fd;
        
       -        if (p[i] != NULL)
       -                munmap(p[i], 0x1000);
       +        if (p[i] != NULL) {
       +                if (munmap(p[i], 0x1000) < 0)
       +                        err(1, "munmap: %s", argv[i]);
       +        }
        
                fd = open(argv[i], O_RDONLY, 0);
                if (fd < 0)