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netdb: Use LWIP_MEM_ALIGN_BUFFER instead of open coded
Signed-off-by: Axel Lin <axel.lin@ingics.com>
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@ -187,7 +187,7 @@ lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
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}
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namelen = strlen(name);
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namelen = strlen(name);
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if (buflen < (sizeof(struct gethostbyname_r_helper) + namelen + 1 + (MEM_ALIGNMENT - 1))) {
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if (buflen < (sizeof(struct gethostbyname_r_helper) + LWIP_MEM_ALIGN_BUFFER(namelen + 1))) {
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/* buf can't hold the data needed + a copy of name */
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/* buf can't hold the data needed + a copy of name */
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*h_errnop = ERANGE;
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*h_errnop = ERANGE;
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return -1;
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return -1;
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