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79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
/*
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* $Id: hostname.c,v 1.2 1997/09/21 06:05:00 gdr Exp $
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*/
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#ifdef __ORCAC__
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segment "libc_gen__";
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#endif
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#include <sys/param.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <orca.h>
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#include <locator.h>
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#include <memory.h>
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#include <misctool.h>
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typedef struct NMRec {
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word blockLen;
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unsigned char nameLength;
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char nameString[64];
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} NMRec;
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typedef union {
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struct {
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word messageID;
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word createFlag;
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} w;
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unsigned long l;
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} ResponseR;
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int
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sethostname(const char *name, int namelen) {
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int size;
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NMRec rec;
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ResponseR mbnResp;
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strcpy(rec.nameString, "Procyon~GNO/ME~HoStNaMe");
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rec.nameLength = 23;
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size = MIN(MAXHOSTNAMELEN-1, namelen);
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strncpy(rec.nameString+23, name, size);
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(rec.nameString+23)[size] = 0;
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rec.blockLen = 2 + (1+23) + (1+size);
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mbnResp.l = MessageByName(1,(Pointer)&rec);
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if (_toolErr) {
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errno = ENOMEM;
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return -1;
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}
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return 0;
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}
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int
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gethostname(char *name, int namelen) {
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NMRec rec = {30,23,"Procyon~GNO/ME~HoStNaMe"}; /* why blockLen = 30? */
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ResponseR mbnResp;
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Handle message;
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mbnResp.l = MessageByName(0,(Pointer)&rec);
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if (_toolErr) {
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errno = ENOENT;
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return -1;
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}
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#if 0
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printf("MBN returned %X %X\n", mbnResp.w.messageID,
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mbnResp.w.createFlag);
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#endif
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MessageCenter(getMessage,mbnResp.w.messageID,
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message = NewHandle(0l,userid(),0,0l));
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if (_toolErr) {
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errno = ENOMEM;
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return -1;
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}
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strncpy(name, (char *)*message+6+2+(1+23),
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MIN(MAXHOSTNAMELEN, namelen));
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DisposeHandle(message);
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return 0;
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}
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