31 lines
474 B
C
31 lines
474 B
C
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/* Copyright 2002, Red Hat Inc. */
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/utsname.h>
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int
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gethostname (char *name, size_t len)
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{
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struct utsname nodebuf;
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size_t nodelen;
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if (uname (&nodebuf))
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return -1;
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nodelen = strlen (nodebuf.nodename) + 1;
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if (len < nodelen)
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memcpy (name, nodebuf.nodename, len);
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else
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memcpy (name, nodebuf.nodename, nodelen);
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if (nodelen > len)
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{
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errno = ENAMETOOLONG;
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return -1;
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}
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return 0;
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}
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