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Check that snprintf() does not truncate the destination pathname when

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linking into a directory.
This commit is contained in:
tjr 2002-06-29 04:10:40 +00:00
parent 83975c1387
commit c2f443c824
1 changed files with 6 additions and 1 deletions
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7
bin/ln/ln.c
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@ -189,7 +189,12 @@ linkit(const char *target, const char *source, int isdir)
p = target;
else
++p;
(void)snprintf(path, sizeof(path), "%s/%s", source, p);
if (snprintf(path, sizeof(path), "%s/%s", source, p) >=
sizeof(path)) {
errno = ENAMETOOLONG;
warn("%s", target);
return (1);
}
source = path;
}