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Fedora 28: Fix misc bounds check compiler warnings

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Fix a bunch of (mostly) sprintf/snprintf truncation compiler
warnings that show up on Fedora 28 (GCC 8.0.1).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #7361
Closes #7368
This commit is contained in:
Tony Hutter
2018-04-04 10:16:47 -07:00
parent fd01167ffd
commit f5ecab3aef
10 changed files with 80 additions and 39 deletions
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tests/zfs-tests/cmd/mktree/mktree.c
+6 -2
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@@ -137,8 +137,12 @@ mktree(char *pdir, int level)
static char *
getfdname(char *pdir, char type, int level, int dir, int file)
{
(void) snprintf(fdname, sizeof (fdname),
"%s/%c-l%dd%df%d", pdir, type, level, dir, file);
size_t size = sizeof (fdname);
if (snprintf(fdname, size, "%s/%c-l%dd%df%d", pdir, type, level, dir,
file) >= size) {
(void) fprintf(stderr, "fdname truncated\n");
exit(EINVAL);
}
return (fdname);
}