git clone catpoint catpoint Log gph

tHandle errors on munmap. It can fail too. - catpoint - Catpoint simple presenting software.

git clone git://r-36.net/catpoint

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---

commit c19639a4edb1186cdeb5655f0758506085dca7db

parent 9d56979dedbc9a3b279291ad07ab4ce277e8f5e7

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(-)

---

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)

.