4.3BSD - /usr/src/new/spms/src/bin/pexec/exec.c

   1: /* $Header$ */
   2: 
   3: /*
   4:  * Author: Peter J. Nicklin
   5:  */
   6: #include <stdio.h>
   7: #include "macro.h"
   8: #include "null.h"
   9: #include "path.h"
  10: #include "pdb.h"
  11: #include "pdlist.h"
  12: #include "pld.h"
  13: #include "slslist.h"
  14: #include "spms.h"
  15: #include "yesno.h"
  16: 
  17: /*
  18:  * execlist() executes a project directory list. Returns non-zero error
  19:  * status if error.
  20:  */
  21: execlist(pdlist)
  22:     PDLIST *pdlist;         /* project directory list */
  23: {
  24:     extern int ERRSTATUS;       /* pexec error status */
  25:     extern int EXECUTE;     /* execute command? */
  26:     extern int PRINT_HEADING;   /* print headings for project dirs */
  27:     int ch_dir();           /* change current working directory */
  28:     int execcmd();          /* execute command in directory */
  29:     int status = 0;         /* return status */
  30:     PDBLK *pdblk;           /* project directory list block */
  31:     void print_title();     /* print project directory title */
  32: 
  33:     for (pdblk = pdlist->head; pdblk != NULL; pdblk = pdblk->next)
  34:         {
  35:         if (PRINT_HEADING == YES)
  36:             print_title(pdblk->ppath);
  37:         if (ch_dir(pdblk->rpath) == NO)
  38:             status = ERRSTATUS;
  39:         else if (EXECUTE == YES)
  40:             status |= execcmd(pdblk->project);
  41:         }
  42:     return(status);
  43: }
  44: 
  45: 
  46: 
  47: /*
  48:  * execproject() builds a project directory list and executes commands
  49:  * within directories on that list.
  50:  */
  51: execproject(ppathname, pathname)
  52:     char *ppathname;        /* project root dir project pathname */
  53:     char *pathname;         /* regular project root dir pathname */
  54: {
  55:     extern int ERRSTATUS;       /* pexec error status */
  56:     char ppathbuf[PPATHSIZE];   /* project pathname buffer */
  57:     char *pdprepend();      /* prepend project directory */
  58:     char *ppathcat();       /* project pathname concatenation */
  59:     char *slsprepend();     /* prepend key+string */
  60:     int closepdb();         /* close database */
  61:     int errpdb();           /* print database error message */
  62:     int execlist();         /* execute project directory list */
  63:     int slssort();          /* sort list */
  64:     int status = 0;         /* return status */
  65:     int strcmp();           /* string comparison */
  66:     PATH *pd;           /* pathname struct pointer */
  67:     PATH *readpld();        /* read project link directory entry */
  68:     PDB *openpdb();         /* open database */
  69:     PDB *pldp;          /* project link directory stream */
  70:     PDLIST *pdinit();       /* initialize project directory list */
  71:     PDLIST *pdlist;         /* project directory list */
  72:     SLSBLK *pblk;           /* project list block */
  73:     SLSLIST *plist;         /* project list */
  74:     SLSLIST *slsinit();     /* initialize list */
  75:     void pdrm();            /* remove project directory list */
  76:     void pdsort();          /* sort project directory list */
  77:     void slsrm();           /* remove list item */
  78: 
  79:     pdlist = pdinit();
  80:     plist = slsinit();
  81: 
  82:     /* read PLDNAME project link directory */
  83:     if ((pldp = openpdb(PLDNAME, pathname, "r")) == NULL)
  84:         return(errpdb((PDB *) NULL));
  85:     while ((pd = readpld(pldp)) != NULL)
  86:         {
  87:         if (EQUAL(pd->p_alias, PARENTPROJECT))
  88:             continue;
  89: 
  90:         if (EQUAL(pd->p_alias, CURPROJECT))
  91:             {
  92:             pdprepend(ppathname, pd->p_path, pathname, pdlist);
  93:             }
  94:         else if (pd->p_mode == P_IFPROOT)
  95:             {
  96:             if (slsprepend(pd->p_alias, pd->p_path, plist) == NULL)
  97:                 pxexit();
  98:             }
  99:         else    {
 100:             ppathcat(ppathbuf, ppathname, pd->p_alias);
 101:             pdprepend(ppathbuf, pd->p_path, pathname, pdlist);
 102:             }
 103:         }
 104:     if (closepdb(pldp) != 0)
 105:         status = ERRSTATUS;
 106: 
 107:     /* sort and execute project directories */
 108:     pdsort(strcmp, pdlist);
 109:     status |= execlist(pdlist);
 110:     pdrm(pdlist);
 111: 
 112:     /* execute subprojects */
 113:     if (slssort(strcmp, plist) == NO)
 114:         pxexit();
 115:     for (pblk = plist->head; pblk != NULL; pblk = pblk->next)
 116:         {
 117:         ppathcat(ppathbuf, ppathname, pblk->key);
 118:         status |= execproject(ppathbuf, pblk->string);
 119:         }
 120:     slsrm(CNULL, plist);
 121: 
 122:     return(status);
 123: }

Defined functions