251 lines
7.1 KiB
C
251 lines
7.1 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 "gtm_stat.h"
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#include "gtm_stdlib.h"
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#include <errno.h>
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#include "io.h"
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#include "iosp.h"
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#include "zroutines.h"
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#include "parse_file.h"
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#include "eintr_wrappers.h"
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#include "error.h"
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#include "zro_shlibs.h"
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#define GETTOK toktyp = zro_gettok(&lp, top, &tok)
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error_def(ERR_DIRONLY);
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error_def(ERR_FILEPARSE);
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error_def(ERR_FSEXP);
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error_def(ERR_INVZROENT);
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error_def(ERR_MAXARGCNT);
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error_def(ERR_NOLBRSRC);
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error_def(ERR_QUALEXP);
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error_def(ERR_ZROSYNTAX);
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void zro_load (mstr *str)
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{
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unsigned toktyp, status;
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mstr tok;
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char *lp, *top;
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zro_ent array[ZRO_MAX_ENTS], *op;
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int oi, si, total_ents;
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struct stat outbuf;
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int stat_res;
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char tranbuf[MAX_FBUFF + 1];
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parse_blk pblk;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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memset(array, 0, SIZEOF(array));
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lp = str->addr;
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top = lp + str->len;
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while (lp < top && *lp == ZRO_DEL) /* Bypass leading blanks */
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lp++;
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array[0].type = ZRO_TYPE_COUNT;
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array[0].count = 0;
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memset(&pblk, 0, SIZEOF(pblk));
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pblk.buffer = tranbuf;
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GETTOK;
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if (toktyp == ZRO_EOL)
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{ /* Null string - set default */
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array[0].count = 1;
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array[1].type = ZRO_TYPE_OBJECT;
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array[1].str.len = 0;
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array[2].type = ZRO_TYPE_COUNT;
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array[2].count = 1;
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array[3].type = ZRO_TYPE_SOURCE;
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array[3].str.len = 0;
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si = 4;
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} else
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{ /* String supplied - parse it */
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for (oi = 1;;)
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{
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if (toktyp != ZRO_IDN)
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rts_error(VARLSTCNT(5) ERR_ZROSYNTAX, 2, str->len, str->addr, ERR_FSEXP);
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if (oi + 1 >= ZRO_MAX_ENTS)
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rts_error(VARLSTCNT(7) ERR_ZROSYNTAX, 2, str->len, str->addr, ERR_MAXARGCNT, 1, ZRO_MAX_ENTS);
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if (tok.len >= SIZEOF(tranbuf))
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rts_error(VARLSTCNT(8) ERR_ZROSYNTAX, 2, str->len, str->addr, ERR_FILEPARSE, 2, tok.len, tok.addr);
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pblk.buff_size = MAX_FBUFF;
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pblk.fnb = 0;
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status = parse_file(&tok, &pblk);
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if (!(status & 1))
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rts_error(VARLSTCNT(9) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_FILEPARSE, 2, tok.len, tok.addr, status);
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tranbuf[pblk.b_esl] = 0;
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STAT_FILE(tranbuf, &outbuf, stat_res);
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if (-1 == stat_res)
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rts_error(VARLSTCNT(9) ERR_ZROSYNTAX, 2, str->len, str->addr, ERR_FILEPARSE, 2, tok.len, tok.addr,
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errno);
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if (S_ISREG(outbuf.st_mode))
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{ /* regular file - a shared library file */
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array[oi].shrlib = zro_shlibs_find(tranbuf);
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array[oi].type = ZRO_TYPE_OBJLIB;
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si = oi + 1;
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} else
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{
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if (!S_ISDIR(outbuf.st_mode))
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rts_error(VARLSTCNT(8) ERR_ZROSYNTAX, 2, str->len, str->addr, ERR_INVZROENT, 2,
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tok.len, tok.addr);
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array[oi].type = ZRO_TYPE_OBJECT;
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array[oi + 1].type = ZRO_TYPE_COUNT;
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si = oi + 2;
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}
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array[0].count++;
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array[oi].str = tok;
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GETTOK;
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if (toktyp == ZRO_LBR)
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{
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if (array[oi].type == ZRO_TYPE_OBJLIB)
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rts_error(VARLSTCNT(5) ERR_ZROSYNTAX, 2, str->len, str->addr, ERR_NOLBRSRC);
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GETTOK;
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if (toktyp == ZRO_DEL)
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GETTOK;
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if (toktyp != ZRO_IDN && toktyp != ZRO_RBR)
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rts_error(VARLSTCNT(5) ERR_ZROSYNTAX, 2, str->len, str->addr, ERR_QUALEXP);
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array[oi + 1].count = 0;
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for (;;)
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{
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if (toktyp == ZRO_RBR)
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break;
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if (toktyp != ZRO_IDN)
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rts_error(VARLSTCNT(5) ERR_ZROSYNTAX, 2, str->len, str->addr, ERR_FSEXP);
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if (si >= ZRO_MAX_ENTS)
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rts_error(VARLSTCNT(7) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_MAXARGCNT, 1, ZRO_MAX_ENTS);
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if (tok.len >= SIZEOF(tranbuf))
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rts_error(VARLSTCNT(8) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_FILEPARSE, 2, tok.len, tok.addr);
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pblk.buff_size = MAX_FBUFF;
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pblk.fnb = 0;
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status = parse_file(&tok, &pblk);
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if (!(status & 1))
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rts_error(VARLSTCNT(9) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_FILEPARSE, 2, tok.len, tok.addr, status);
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tranbuf[pblk.b_esl] = 0;
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STAT_FILE(tranbuf, &outbuf, stat_res);
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if (-1 == stat_res)
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rts_error(VARLSTCNT(9) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_FILEPARSE, 2, tok.len, tok.addr, errno);
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if (!S_ISDIR(outbuf.st_mode))
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rts_error(VARLSTCNT(8) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_DIRONLY, 2, tok.len, tok.addr);
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array[oi + 1].count++;
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array[si].type = ZRO_TYPE_SOURCE;
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array[si].str = tok;
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si++;
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GETTOK;
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if (toktyp == ZRO_DEL)
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GETTOK;
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}
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GETTOK;
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} else
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{
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if ((array[oi].type != ZRO_TYPE_OBJLIB) && (toktyp == ZRO_DEL || toktyp == ZRO_EOL))
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{
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if (si >= ZRO_MAX_ENTS)
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rts_error(VARLSTCNT(7) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_MAXARGCNT, 1, ZRO_MAX_ENTS);
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array[oi + 1].count = 1;
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array[si] = array[oi];
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array[si].type = ZRO_TYPE_SOURCE;
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si++;
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}
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}
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if (toktyp == ZRO_EOL)
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break;
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if (toktyp == ZRO_DEL)
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GETTOK;
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else
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rts_error(VARLSTCNT(4) ERR_ZROSYNTAX, 2, str->len, str->addr);
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oi = si;
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}
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}
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total_ents = si;
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if (TREF(zro_root))
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{
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assert((TREF(zro_root))->type == ZRO_TYPE_COUNT);
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oi = (TREF(zro_root))->count;
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assert(oi);
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for (op = TREF(zro_root) + 1; oi-- > 0; )
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{ /* release space held by translated entries */
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assert(op->type == ZRO_TYPE_OBJECT || op->type == ZRO_TYPE_OBJLIB);
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if (op->str.len)
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free(op->str.addr);
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if ((op++)->type == ZRO_TYPE_OBJLIB)
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continue; /* i.e. no sources for shared library */
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assert(op->type == ZRO_TYPE_COUNT);
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si = (op++)->count;
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for ( ; si-- > 0; op++)
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{
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assert(op->type == ZRO_TYPE_SOURCE);
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if (op->str.len)
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free(op->str.addr);
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}
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}
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free(TREF(zro_root));
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}
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TREF(zro_root) = (zro_ent *)malloc(total_ents * SIZEOF(zro_ent));
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memcpy((uchar_ptr_t)TREF(zro_root), (uchar_ptr_t)array, total_ents * SIZEOF(zro_ent));
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assert((TREF(zro_root))->type == ZRO_TYPE_COUNT);
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oi = (TREF(zro_root))->count;
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assert(oi);
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for (op = TREF(zro_root) + 1; oi-- > 0; )
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{
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assert(op->type == ZRO_TYPE_OBJECT || op->type == ZRO_TYPE_OBJLIB);
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if (op->str.len)
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{
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pblk.buff_size = MAX_FBUFF;
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pblk.fnb = 0;
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status = parse_file(&op->str, &pblk);
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if (!(status & 1))
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rts_error(VARLSTCNT(9) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_FILEPARSE, 2, op->str.len, op->str.addr, status);
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op->str.addr = (char *)malloc(pblk.b_esl);
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op->str.len = pblk.b_esl;
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memcpy(op->str.addr, pblk.buffer, pblk.b_esl);
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}
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if ((op++)->type == ZRO_TYPE_OBJLIB)
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continue;
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assert(op->type == ZRO_TYPE_COUNT);
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si = (op++)->count;
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for ( ; si-- > 0; op++)
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{
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assert(op->type == ZRO_TYPE_SOURCE);
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if (op->str.len)
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{
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pblk.buff_size = MAX_FBUFF;
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pblk.fnb = 0;
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status = parse_file(&op->str, &pblk);
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if (!(status & 1))
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rts_error(VARLSTCNT(9) ERR_ZROSYNTAX, 2, str->len, str->addr,
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ERR_FILEPARSE, 2, op->str.len, op->str.addr, status);
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op->str.addr = (char *)malloc(pblk.b_esl);
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op->str.len = pblk.b_esl;
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memcpy(op->str.addr, pblk.buffer, pblk.b_esl);
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}
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}
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}
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}
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