diff options
Diffstat (limited to 'dmake/state.c')
| -rw-r--r-- | dmake/state.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/dmake/state.c b/dmake/state.c deleted file mode 100644 index 92a5af4f7..000000000 --- a/dmake/state.c +++ /dev/null @@ -1,231 +0,0 @@ -/* RCS $Id: state.c,v 1.3 2007-09-20 14:33:53 vg Exp $ --- --- SYNOPSIS --- .KEEP_STATE state file management --- --- DESCRIPTION --- Three routines to interface to the .KEEP_STATE state file. --- --- Read_state() - reads the state file if any. --- Write_state() - writes the state file. --- --- Check_state(cp,how) - checks an entry returns 0 or 1 --- and updates the entry. --- --- 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" - -typedef struct se { - char *st_name; /* name of cell */ - uint32 st_nkey; /* name hash key */ - int st_count; /* how count for how */ - uint32 st_dkey; /* directory hash key */ - uint32 st_key; /* hash key */ - struct se *st_next; -} KSTATE, *KSTATEPTR; - -static KSTATEPTR _st_head = NIL(KSTATE); -static KSTATEPTR _st_tail = NIL(KSTATE); -static int _st_upd = FALSE; -static char *_st_file = NIL(char); - -static int _my_fgets ANSI((char *, int, FILE *)); - -PUBLIC void -Read_state() -{ - char *buf; - char sizeb[20]; - int size; - FILE *fp; - KSTATEPTR sp; - - if( (fp = Search_file(".KEEP_STATE", &_st_file)) != NIL(FILE) ) { - if( _my_fgets( sizeb, 20, fp ) ) { - size = atol(sizeb); - buf = MALLOC(size+2, char); - - while( _my_fgets(buf, size, fp) ) { - TALLOC(sp, 1, KSTATE); - sp->st_name = DmStrDup(buf); - (void) Hash(buf, &sp->st_nkey); - - if( _my_fgets(buf, size, fp) ) sp->st_count = atoi(buf); - if( _my_fgets(buf, size, fp) ) sp->st_dkey = (uint32) atol(buf); - - if( _my_fgets(buf, size, fp) ) - sp->st_key = (uint32) atol(buf); - else { - FREE(sp); - break; - } - - if( _st_head == NIL(KSTATE) ) - _st_head = sp; - else - _st_tail->st_next = sp; - - _st_tail = sp; - } - - FREE(buf); - } - - Closefile(); - } -} - - -PUBLIC void -Write_state() -{ - static int in_write = 0; - register KSTATEPTR sp; - FILE *fp; - - if( !_st_upd || !_st_file || (_st_file && !*_st_file) || - Trace || in_write ) return; - - in_write++; - if( (fp = Openfile(_st_file, TRUE, TRUE)) != NIL(FILE) ) { - int maxlen = 0; - int tmplen; - - for( sp = _st_head; sp; sp=sp->st_next ) - if( (tmplen = strlen(sp->st_name)+2) > maxlen ) - maxlen = tmplen; - - /* A nice arbitrary minimum size */ - if( maxlen < 20 ) maxlen = 20; - fprintf( fp, "%d\n", maxlen ); - - for( sp = _st_head; sp; sp=sp->st_next ) { - uint16 hv; - uint32 hk; - - if( Search_table(Defs, sp->st_name, &hv, &hk) ) { - fprintf( fp, "%s\n", sp->st_name ); - fprintf( fp, "%d\n", sp->st_count ); - /* long unsigned can be != uint32, silence the warning. */ - fprintf( fp, "%lu\n", (unsigned long)sp->st_dkey ); - fprintf( fp, "%lu\n", (unsigned long)sp->st_key ); - } - } - - Closefile(); - } - else - Fatal("Cannot open STATE file %s", _st_file); - - in_write = 0; -} - - -PUBLIC int -Check_state( cp, recipes, maxrcp ) -CELLPTR cp; -STRINGPTR *recipes; -int maxrcp; -{ - KSTATEPTR st; - STRINGPTR sp; - int i; - uint32 thkey; - uint32 hkey; - uint32 nkey; - uint32 dkey; - int update = FALSE; - - if( !_st_file || (_st_file && !*_st_file) || Trace ) - return(FALSE); - - if( strcmp(cp->CE_NAME,".REMOVE") == 0 - || (cp->ce_attr & (A_PHONY|A_NOSTATE)) ) - return(FALSE); - - (void) Hash( cp->CE_NAME, &nkey ); thkey = nkey + (uint32) cp->ce_count; - (void) Hash( Pwd, &dkey ); thkey += dkey; - - Suppress_temp_file = TRUE; - for( i=0 ; i<maxrcp; i++ ) - for(sp=recipes[i]; sp != NIL(STRING); sp=sp->st_next ) { - CELLPTR svct = Current_target; - char *cmnd; - t_attr silent = (Glob_attr & A_SILENT); - - Current_target = cp; - Glob_attr |= A_SILENT; - cmnd = Expand(sp->st_string); - Glob_attr = (Glob_attr & ~A_SILENT)|silent; - Current_target = svct; - - (void) Hash(cmnd, &hkey); thkey += hkey; - FREE(cmnd); - } - Suppress_temp_file = FALSE; - - for( st=_st_head; st != NIL(KSTATE); st=st->st_next ) { - if( st->st_nkey == nkey - && st->st_dkey == dkey - && st->st_count == cp->ce_count - && !strcmp(cp->CE_NAME, st->st_name) ) - break; - } - - if( st == NIL(KSTATE) ) { - KSTATEPTR nst; - - TALLOC(nst, 1, KSTATE); - nst->st_name = cp->CE_NAME; - nst->st_nkey = nkey; - nst->st_dkey = dkey; - nst->st_key = thkey; - nst->st_count = cp->ce_count; - - if( _st_head == NIL(KSTATE) ) - _st_head = nst; - else - _st_tail->st_next = nst; - - _st_tail = nst; - _st_upd = TRUE; - } - else if( st->st_key != thkey ) { - st->st_key = thkey; - _st_upd = update = TRUE; - } - - return(st != NIL(KSTATE) && update); -} - - -static int -_my_fgets(buf, size, fp) -char *buf; -int size; -FILE *fp; -{ - char *p; - - if( fgets(buf, size, fp) == NULL ) return(0); - - if( (p=strrchr(buf,'\n')) != NIL(char) ) *p='\0'; - if( (p=strrchr(buf,'\r')) != NIL(char) ) *p='\0'; - return(1); -} |