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mdbx-tools: fix Coverity warning (paranoia).

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Change-Id: I3ff33a9eb2c58fe601566fd4101f9c95d76d29de
This commit is contained in:
Leonid Yuriev 2019-02-27 23:26:15 +03:00
parent ac6d423451
commit 7617cce0c6
1 changed files with 7 additions and 1 deletions
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8
src/tools/mdbx_load.c
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@ -431,7 +431,13 @@ int main(int argc, char *argv[]) {
goto env_close;
}
kbuf.iov_len = mdbx_env_get_maxkeysize(env) * 2 + 2;
kbuf.iov_len = mdbx_env_get_maxkeysize(env);
if (kbuf.iov_len >= SIZE_MAX / 4) {
fprintf(stderr, "mdbx_env_get_maxkeysize failed, returns %zu\n",
kbuf.iov_len);
goto env_close;
}
kbuf.iov_len = (kbuf.iov_len + 1) * 2;
kbuf.iov_base = malloc(kbuf.iov_len * 2);
k0buf.iov_len = kbuf.iov_len;
k0buf.iov_base = (char *)kbuf.iov_base + kbuf.iov_len;