64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2007 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 "gtm_stdlib.h"
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#include <rtnhdr.h>
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#include "startup.h"
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#include "gtm_startup.h"
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/* parse an entry reference string into routine, label & offset */
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void lref_parse(unsigned char *label_ref, mstr* routine, mstr* label, int* offset)
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{
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unsigned char ch, *c, *c1;
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int i, label_len;
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error_def (ERR_RUNPARAMERR);
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routine->addr = label->addr = (char *)label_ref;
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*offset = 0;
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label_len = STRLEN((const char *)label_ref);
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for (i = 0, c = label_ref; i < label_len; i++)
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{
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ch = *c++;
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if (ch == '^' || ch == '+')
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{
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label->len = i;
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if (ch == '+')
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{
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*offset = (int)STRTOL((const char *)c, (char**)&c1, 10);
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if (c == c1 ||*c1 != '^')
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rts_error(VARLSTCNT(1) ERR_RUNPARAMERR);
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c = c1 + 1;
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}
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routine->addr = (char *)c;
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routine->len = INTCAST(label_ref + label_len - c);
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break;
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}
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}
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if (routine->addr == (char *)label_ref)
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{
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routine->len = label_len;
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routine->addr = (char *)label_ref;
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label->len = 0;
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}
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if (!is_ident(routine))
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rts_error(VARLSTCNT(1) ERR_RUNPARAMERR);
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if (label->len && !is_ident(label))
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rts_error(VARLSTCNT(1) ERR_RUNPARAMERR);
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routine->len = routine->len > MAX_MIDENT_LEN ? MAX_MIDENT_LEN : routine->len;
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label->len = label->len > MAX_MIDENT_LEN ? MAX_MIDENT_LEN : label->len;
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}
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