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| author | Pedro F. Giffuni <pfg@FreeBSD.org> | 2017-03-12 16:03:34 +0000 |
|---|---|---|
| committer | Pedro F. Giffuni <pfg@FreeBSD.org> | 2017-03-12 16:03:34 +0000 |
| commit | 9f36610f9ef53017afbc50520b999882958c402c (patch) | |
| tree | 48681fad678d71728cf4d1e2f4b92b96a5fad900 /lib/libc/rpc | |
| parent | ab23521a4954485a56e9016dfbde6e7edff6c516 (diff) | |
| download | src-9f36610f9ef53017afbc50520b999882958c402c.tar.gz src-9f36610f9ef53017afbc50520b999882958c402c.zip | |
libc: provide some bounds-checking through reallocarray(3).
reallocarray(3) is a non portable extension that originated in OpenBSD.
Given that it is already in FreeBSD's libc it is useful for the cases
where reallocation involves a multiplication.
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D9955
Notes
Notes:
svn path=/head/; revision=315162
Diffstat (limited to 'lib/libc/rpc')
| -rw-r--r-- | lib/libc/rpc/getnetconfig.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libc/rpc/getnetconfig.c b/lib/libc/rpc/getnetconfig.c index 6d504c5f55ff..40e5a1bad7f0 100644 --- a/lib/libc/rpc/getnetconfig.c +++ b/lib/libc/rpc/getnetconfig.c @@ -630,8 +630,8 @@ parse_ncp(char *stringp, struct netconfig *ncp) ncp->nc_lookups = NULL; ncp->nc_nlookups = 0; while ((cp = tokenp) != NULL) { - if ((nc_lookups = realloc(ncp->nc_lookups, - (ncp->nc_nlookups + 1) * sizeof *ncp->nc_lookups)) == NULL) { + if ((nc_lookups = reallocarray(ncp->nc_lookups, + ncp->nc_nlookups + 1, sizeof(*ncp->nc_lookups))) == NULL) { free(ncp->nc_lookups); ncp->nc_lookups = NULL; return (-1); |