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Length: 1595 (0x63b)
Types: TextFile
Names: »avs_merge.c«
└─⟦2d1937cfd⟧ Bits:30007241 EUUGD22: P.P 5.0
└─⟦35176feda⟧ »EurOpenD22/isode/isode-6.tar.Z«
└─⟦de7628f85⟧
└─⟦this⟧ »isode-6.0/dsap/common/avs_merge.c«
#include "quipu/util.h"
#include "quipu/attrvalue.h"
#include "quipu/dsp.h" /* for ds_error.h */
#include "quipu/ds_error.h"
extern LLog * log_dsap;
AV_Sequence avs_merge (a,b)
AV_Sequence a,b;
{
register AV_Sequence aptr, bptr, result, trail, tmp;
if ( a == NULLAV )
return (b);
if ( b == NULLAV )
return (a);
/* start sequence off, make sure 'a' is the first */
switch (avs_cmp_comp (a,b)) {
default:
LLOG (log_dsap,LLOG_EXCEPTIONS,("invalid syntax")) ;
/* continue as if equal */
case 0: /* equal */
result = a;
aptr = a->avseq_next;
bptr = b->avseq_next;
avs_comp_free (b);
break;
case -1:
result = b;
aptr = a;
bptr = b->avseq_next;
break;
case 2: /* no compare function defined - treat as if a > b */
case 1:
result = a;
aptr = a->avseq_next;
bptr = b;
break;
}
trail = result;
while ( (aptr != NULLAV) && (bptr != NULLAV) ) {
switch (avs_cmp_comp (aptr,bptr)) {
default:
LLOG (log_dsap,LLOG_EXCEPTIONS,("invalid syntax")) ;
/* continue as if equal */
case 0: /* equal */
trail->avseq_next = aptr;
trail = aptr;
tmp = bptr->avseq_next;
avs_comp_free (bptr);
aptr = aptr->avseq_next;
bptr = tmp;
break;
case -1:
trail->avseq_next = bptr;
trail = bptr;
bptr = bptr->avseq_next;
break;
case 2: /* no compare function defined - treat as if a > b */
case 1:
trail->avseq_next = aptr;
trail = aptr;
aptr = aptr->avseq_next;
break;
}
}
if (aptr == NULLAV)
trail->avseq_next = bptr;
else
trail->avseq_next = aptr;
return (result);
}