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Diffstat (limited to 'dmake/stat.c')
| -rw-r--r-- | dmake/stat.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/dmake/stat.c b/dmake/stat.c deleted file mode 100644 index 4bd4db810af1..000000000000 --- a/dmake/stat.c +++ /dev/null @@ -1,278 +0,0 @@ -/* RCS $Id: stat.c,v 1.3 2007-10-15 15:41:38 ihi Exp $ --- --- SYNOPSIS --- Bind a target name to a file. --- --- DESCRIPTION --- This file contains the code to go and stat a target. The stat rules --- follow a predefined order defined in the comment for Stat_target. --- --- AUTHOR --- Dennis Vadura, dvadura@dmake.wticorp.com --- --- WWW --- http://dmake.wticorp.com/ --- --- COPYRIGHT --- Copyright (c) 1996,1997 by WTI Corp. All rights reserved. --- --- This program is NOT free software; you can redistribute it and/or --- modify it under the terms of the Software License Agreement Provided --- in the file <distribution-root>/readme/license.txt. --- --- LOG --- Use cvs log to obtain detailed change logs. -*/ - -#include "extern.h" - - -static int _check_dir_list ANSI((CELLPTR, CELLPTR, int, int)); - -#ifdef DBUG - /* Just a little ditty for debugging this thing */ - static time_t - _do_stat( name, lib, sym, force ) - char *name; - char *lib; - char **sym; - int force; - { - time_t res; - DB_ENTER( "_do_stat" ); - - res = Do_stat(name, lib, sym, force); - DB_PRINT( "stat", ("Statted [%s,%s,%d,%ld]", name, lib, sym, res) ); - - DB_RETURN( res ); - } -#define DO_STAT(A,B,C,D) _do_stat(A,B,C,D) -#else -#define DO_STAT(A,B,C,D) Do_stat(A,B,C,D) -#endif - -static char *_first; /* If set this variable saves the first pathname that was - * used to stat the target in, if subsequently a match is - * found it is overridden by the matched path name. */ - -PUBLIC void -Stat_target( cp, setfname, force )/* -==================================== - Stat a target. When doing so follow the following rules, suppose - that cp->CE_NAME points at a target called fred.o: - (See also man page: BINDING TARGETS) - - 0. If A_SYMBOL attribute set look into the library - then do the steps 1 thru 4 on the resulting name. - 1. Try path's obtained by prepending any dirs found as - prerequisites for .SOURCE.o. - 2. If not found, do same as 2 but use .SOURCE - The predefined '.SOURCE : .NULL' targets takes care - of local/absolute paths. - 3. If not found and .LIBRARYM attribute for the target is - set then look for it in the corresponding library. - 4. If found in step 0 thru 3, then ce_fname points at - file name associate with target, else ce_fname points - at a file name built by the first .SOURCE* dir that - applied. - If setfname is != 0 this tells _check_dir_list() to set the static - _first variable. setfname also controls the use of _first. - If it is -1 ce_fname (the file name associated with target) is only - set if a matching file was found and statted, if it is 1 ce_fname - is set to _first even if target doesn't exist yet. - - If force is TRUE really stat the target. Do not use the directory - cache but update the files entry if it's enabled. */ - -CELLPTR cp; -int setfname; -int force; -{ - register HASHPTR hp; - static HASHPTR srchp = NIL(HASH); - char *name; - char *tmp; - int res = 0; - - DB_ENTER( "Stat_target" ); - - name = cp->CE_NAME; - DB_PRINT( "stat", ("called on [%s]", name) ); - - if( srchp == NIL(HASH) ) srchp = Get_name(".SOURCE",Defs,FALSE); - - /* Look for a symbol of the form lib((symbol)) the name of the symbol - * as entered in the hash table is (symbol) so pull out symbol and try - * to find it's module. If successful DO_STAT will return the module - * as well as the archive member name (pointed at by tmp). We then - * replace the symbol name with the archive member name so that we - * have the proper name for any future refrences. */ - - if( cp->ce_attr & A_SYMBOL ) { - DB_PRINT( "stat", ("Binding lib symbol [%s]", name) ); - - cp->ce_time = DO_STAT( name, cp->ce_lib, &tmp, force ); - - if( cp->ce_time != (time_t) 0L ) { - /* stat the new member name below note tmp must point at a string - * returned by MALLOC... ie. the Do_stat code should use DmStrDup */ - - if( Verbose & V_MAKE ) - printf( "%s: Mapped ((%s)) to %s(%s)\n", Pname, - name, cp->ce_lib, tmp ); - - FREE( name ); - name = cp->CE_NAME = tmp; - cp->ce_attr &= ~(A_FFNAME | A_SYMBOL); - } - else - { DB_VOID_RETURN; } - } - - _first = NIL(char); - tmp = DmStrJoin( ".SOURCE", Get_suffix(name), -1, FALSE); - - /* Check .SOURCE.xxx target */ - if( (hp = Get_name(tmp, Defs, FALSE)) != NIL(HASH) ) - res = _check_dir_list( cp, hp->CP_OWNR, setfname, force ); - - /* Check just .SOURCE */ - if( !res && (srchp != NIL(HASH)) ) - res = _check_dir_list( cp, srchp->CP_OWNR, setfname, force ); - - /* If libmember and we haven't found it check the library */ - if( !res && (cp->ce_attr & A_LIBRARYM) ) { - cp->ce_time = DO_STAT(name, cp->ce_lib, NIL(char *), force); - - if( !cp->ce_time && Tmd && *Tmd && cp->ce_lib ) { - char *tmplib; - tmplib=DmStrDup(Build_path(Tmd,cp->ce_lib)); - - if ((cp->ce_time = DO_STAT(name, tmplib, NIL(char *),force)) != (time_t)0L){ - cp->ce_lib=DmStrDup(tmplib); - } - } - - if( Verbose & V_MAKE ) - printf( "%s: Checking library '%s' for member [%s], time %ld\n", - Pname, cp->ce_lib, name, cp->ce_time ); - } - - FREE( tmp ); - - if( setfname == 1 || (setfname == -1 && cp->ce_time != (time_t)0L) ) { - int setlib = (cp->ce_lib == cp->ce_fname); - - if( (cp->ce_attr & A_FFNAME) && (cp->ce_fname != NIL(char)) ) - FREE( cp->ce_fname ); - - if( _first != NIL(char) ) { - cp->ce_fname = _first; - cp->ce_attr |= A_FFNAME; - } - else { - cp->ce_fname = cp->CE_NAME; - cp->ce_attr &= ~A_FFNAME; - } - - if ( setlib ) cp->ce_lib = cp->ce_fname; - } - else if( _first ) - FREE( _first ); - - /* set it as stated only if successful, this way, we shall try again - * later. */ - if( cp->ce_time != (time_t)0L ) { - cp->ce_flag |= F_STAT; - - /* If it is a whatif this changed scenario then return the current - * time, but do so only if the stat was successful. */ - if ( (cp->ce_attr & A_WHATIF) && !(cp->ce_flag & F_MADE) ) { - cp->ce_time = Do_time(); - } - } - - DB_VOID_RETURN; -} - - -static int -_check_dir_list( cp, sp, setfname, force )/* -============================================ - Check the list of dir's given by the prerequisite list of sp, for a - file pointed at by cp. Returns 0 if path not bound, else returns - 1 and replaces old name for cell with new cell name. */ - -CELLPTR cp; -CELLPTR sp; -int setfname; -int force; -{ - /* FIXME: BCC 5.0 BUG??? If lp is assigned to a register variable then - * BCC 5.0 corrupts a field of the member structure when DO_STAT - * calls the native win95 stat system call. Blech!!! - * - * Making this a static variable forces it out of a register and - * seems to avoid the problem. */ - static LINKPTR lp; - char *dir; - char *path; - char *name; - int res = 0; - int fset = 0; - - DB_ENTER( "_check_dir_list" ); - DB_PRINT( "mem", ("%s:-> mem %ld", cp->CE_NAME, (long) coreleft()) ); - - if( sp->ce_prq != NIL(LINK) ) /* check prerequisites if any */ - { - /* Use the real name instead of basename, this prevents silly - * loops in inference code, and is consistent with man page */ - name = cp->CE_NAME; - - /* Here we loop through each directory on the list, and try to stat - * the target. We always save the first pathname we try to stat in - * _first. If we subsequently get a match we then replace the value of - * _first by the matched path name. */ - - for( lp=sp->CE_PRQ; lp != NIL(LINK) && !res; lp=lp->cl_next ) { - int nodup = 0; - dir = lp->cl_prq->CE_NAME; - - if( strchr( dir, '$' ) ) dir = Expand(dir); - if( strcmp( dir, ".NULL" ) == 0 ) { - nodup = 1; - path = cp->CE_NAME; - } else { - path = DmStrDup(Build_path(dir,name)); - } - - res = ((cp->ce_time=DO_STAT(path,NIL(char),NIL(char *),force))!=(time_t)0L); - - /* Have to use DmStrDup to set _first since Build_path, builds it's - * path names inside a static buffer. */ - if( setfname ) - if( (_first == NIL(char) && !fset) || res ) { - if( _first != NIL(char) ) FREE( _first ); - if (nodup) - _first = NIL(char); - else { - _first = path; - path = NIL(char); - } - fset = 1; - } - - DB_PRINT( "stat", ("_first [%s], path [%s]", _first, path) ); - if( dir != lp->cl_prq->CE_NAME ) FREE(dir); - if( path && path != cp->CE_NAME ) FREE(path); - } - } - - DB_PRINT( "mem", ("%s:-< mem %ld", cp->CE_NAME, (long) coreleft()) ); - DB_RETURN( res ); -} - - - - |