118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2009 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 <rtnhdr.h>
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#include "stack_frame.h"
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#include "gtm_caseconv.h"
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#include "stringpool.h"
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#include "view.h"
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#include "min_max.h" /* MIDENT_CMP needs MIN */
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#define S_CUTOFF 7
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GBLREF rtn_tabent *rtn_names, *rtn_names_end;
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GBLREF stack_frame *frame_pointer;
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void view_routines(mval *dst, mident_fixed *name)
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{
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mident temp;
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char temp_buff[SIZEOF(mident_fixed)];
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rtn_tabent *bot, *top, *mid;
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int4 comp;
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temp.len = INTCAST(mid_len(name));
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#ifdef UNIX
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temp.addr = &name->c[0];
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#else
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lower_to_upper(&temp_buff[0], &name->c[0], temp.len);
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temp.addr = &temp_buff[0];
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#endif
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bot = rtn_names;
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top = rtn_names_end;
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/* Skip over all routines that are not created by the user. These routines include
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* the dummy null routine, $FGNXEC (created for DALs) and $FGNFNC (created for Call-ins)
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* which are guaranteed to sort before any valid M routine */
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while (bot < top && (0 == bot->rt_name.len || '%' > bot->rt_name.addr[0]))
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bot++;
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assert(bot <= top);
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if (!temp.len)
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{ dst->str.addr = bot->rt_name.addr;
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dst->str.len = bot->rt_name.len;
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s2pool(&dst->str);
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return;
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}
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for (;;)
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{
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if ((top - bot) < S_CUTOFF)
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{
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comp = -1;
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for (mid = bot; comp < 0 && mid <= top ;mid++)
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{
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MIDENT_CMP(&mid->rt_name, &temp, comp);
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if (!comp)
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{
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if (mid != rtn_names_end)
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{
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mid++;
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dst->str.addr = mid->rt_name.addr;
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dst->str.len = mid->rt_name.len;
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s2pool(&dst->str);
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}
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else
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dst->str.len = 0;
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return;
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}
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else if (comp < 0)
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continue;
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else
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{ dst->str.addr = mid->rt_name.addr;
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dst->str.len = mid->rt_name.len;
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s2pool(&dst->str);
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return;
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}
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}
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dst->str.len = 0;
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return;
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}
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else
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{
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mid = bot + (top - bot)/2;
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MIDENT_CMP(&mid->rt_name, &temp, comp);
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if (!comp)
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{ if (mid != rtn_names_end)
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{
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mid++;
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dst->str.addr = mid->rt_name.addr;
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dst->str.len = mid->rt_name.len;
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s2pool(&dst->str);
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}
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else
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dst->str.len = 0;
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return;
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}
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else if (comp < 0)
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{ bot = mid + 1;
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continue;
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}
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else
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{ top = mid;
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continue;
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}
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}
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}
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}
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