49d1a4c562
also start prefering NtDll API. so far: * NtQueryInformationFile * NtClose adds a performance workaround for windows unicode conversion. but that should probably be removed before merging
30 lines
652 B
C
Vendored
30 lines
652 B
C
Vendored
#include <sys/socket.h>
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#include <limits.h>
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#include <string.h>
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#include <errno.h>
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#include "syscall.h"
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ssize_t sendmsg(int fd, const struct msghdr *msg, int flags)
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{
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#if LONG_MAX > INT_MAX
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struct msghdr h;
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struct cmsghdr chbuf[1024/sizeof(struct cmsghdr)+1], *c;
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if (msg) {
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h = *msg;
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h.__pad1 = h.__pad2 = 0;
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msg = &h;
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if (h.msg_controllen) {
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if (h.msg_controllen > 1024) {
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errno = ENOMEM;
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return -1;
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}
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memcpy(chbuf, h.msg_control, h.msg_controllen);
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h.msg_control = chbuf;
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for (c=CMSG_FIRSTHDR(&h); c; c=CMSG_NXTHDR(&h,c))
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c->__pad1 = 0;
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}
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}
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#endif
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return socketcall_cp(sendmsg, fd, msg, flags, 0, 0, 0);
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}
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