Handle errors on munmap. It can fail too. - catpoint - Catpoint simple presenting software.
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---
DIR commit c19639a4edb1186cdeb5655f0758506085dca7db
DIR parent 9d56979dedbc9a3b279291ad07ab4ce277e8f5e7
HTML 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:
M catpoint.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
---
DIR diff --git a/catpoint.c b/catpoint.c
@@ -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)