75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2011 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "gtm_string.h"
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#include "view.h"
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#include "gtm_caseconv.h"
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#include "gdsroot.h" /* Added to support alias.h */
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsbt.h"
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#include "gdsfhead.h"
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#include "alias.h" /* Needed for DEBUG_ALIAS flag used in viewtab.h */
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#define VT_KWSIZE (SIZEOF(viewtab[0].keyword))
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#define VIEWTAB(A,B,C,D) {A, B, C, D}
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const static readonly viewtab_entry viewtab[] =
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{
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#include "viewtab.h"
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};
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#undef VIEWTAB
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error_def(ERR_VIEWNOTFOUND);
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error_def(ERR_VIEWAMBIG);
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viewtab_entry *viewkeys(mstr *v)
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{ /* given view keyword, return pointer to viewtab_entry for that keyword
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* or: return 0 means not found, return -1 means keyword is ambiguous.
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*/
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unsigned char cmpbuf[VT_KWSIZE];
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const viewtab_entry *vt_ptr, *vt_top;
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short len;
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int n;
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if (v->len == 0)
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vt_ptr = (viewtab_entry *)NULL;
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else
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{
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len = (v->len < SIZEOF(cmpbuf) ? v->len : SIZEOF(cmpbuf));
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lower_to_upper(cmpbuf, (uchar_ptr_t)v->addr, len);
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vt_top = ARRAYTOP(viewtab);
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for (vt_ptr = viewtab ; vt_ptr < vt_top ; vt_ptr++)
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{
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n = memcmp(vt_ptr->keyword, cmpbuf, len);
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if (n > 0)
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{ vt_ptr = 0;
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break;
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}
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else if (n == 0)
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{
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if (vt_ptr < vt_top - 1 && memcmp(cmpbuf, (vt_ptr + 1)->keyword, len) == 0)
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vt_ptr = (viewtab_entry *)-1L;
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break;
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}
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}
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}
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if (vt_ptr == (viewtab_entry *)-1L)
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rts_error(VARLSTCNT(4) ERR_VIEWAMBIG, 2, v->len, v->addr);
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else if (!vt_ptr || vt_ptr >= vt_top)
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rts_error(VARLSTCNT(4) ERR_VIEWNOTFOUND, 2, v->len, v->addr);
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return (viewtab_entry *)vt_ptr;
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}
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