mdw@git.distorted.org.uk Git - ssr/blob - StraySrc/Utilities/c/submake

   1 /*
   2  * submake.c
   3  *
   4  * Handle recursive makes
   5  *
   6  * © 1998 Straylight/Edgeware
   7  */
   8
   9 /*----- Licensing note ----------------------------------------------------*
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program.  If not, write to the Free Software Foundation,
  23  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  24  */
  25
  26 /*----- Header files ------------------------------------------------------*/
  27
  28 #include <stddef.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 #include "swis.h"
  34 #include "swiv.h"
  35
  36 #include "alloc.h"
  37 #include "glob.h"
  38
  39 /*----- Main code ---------------------------------------------------------*/
  40
  41 typedef struct submk_ctx {
  42   char **p;
  43   size_t i;
  44   size_t sz;
  45 } submk_ctx;
  46
  47 static void submk_add(const char *p, void *ctx)
  48 {
  49   int len = _swi(OS_FSControl, _inr(0, 5) | _return(5), 37, p, 0, 0, 0, 0);
  50   char *q = xmalloc(1 - len);
  51   submk_ctx *sx = ctx;
  52
  53   _swi(OS_FSControl, _inr(0, 5), 37, p, q, 0, 0, 1 - len);
  54   if (sx->i == sx->sz) {
  55     sx->sz += 256;
  56     sx->p = xrealloc(sx->p, sx->sz * sizeof(sx->p[0]));
  57   }
  58   sx->p[sx->i++] = q;
  59 }
  60
  61 static char *nstrcpy(char *d, const char *s)
  62 {
  63   while ((*d++ = *s++) != 0)
  64     ;
  65   return (d - 1);
  66 }
  67
  68 int main(int argc, char *argv[])
  69 {
  70   char prefix[1024];
  71   int is_prefix = 1;
  72   char *tail;
  73   submk_ctx sx;
  74
  75   /* --- Remember the original DDEUtils prefix --- */
  76
  77   {
  78     int len;
  79     if (_swix(OS_ReadVarVal, _inr(0, 4) | _out(2),
  80               "Prefix$Dir", prefix, sizeof(prefix), 0, 0,
  81               &len))
  82       is_prefix = 0;
  83     else
  84       prefix[len] = 0;
  85   }
  86
  87   /* --- Initialise the context --- */
  88
  89   sx.sz = 256;
  90   sx.p = xmalloc(sx.sz * sizeof(sx.p[0]));
  91   sx.i = 0;
  92
  93   /* --- Mangle the command line arguments --- */
  94
  95   {
  96     int i;
  97
  98     /* --- Expand wildcarded makefile names --- */
  99
 100     for (i = 1; i < argc && strcmp(argv[i], "--"); i++) {
 101       if (glob(argv[i], submk_add, &sx) == 0)
 102         submk_add(argv[i], &sx);
 103     }
 104
 105     /* --- Take the rest of the arguments --- *
 106      *
 107      * This is one of those times that C shows its Unix roots most
 108      * irritatingly.  I've got to grab all the carefully separated
 109      * arguments, and stick them all back together.
 110      */
 111
 112     if (i >= argc)
 113       tail = "";
 114     else {
 115       size_t sz = 0;
 116       int j;
 117       char *p;
 118
 119       i++;
 120       for (j = i; j < argc; j++)
 121         sz += strlen(argv[j]) + 1;
 122       tail = xmalloc(sz + 1);
 123       p = tail;
 124       *p++ = ' ';
 125       p = nstrcpy(p, argv[i++]);
 126       for (j = i; j < argc; j++) {
 127         *p++ = ' ';
 128         p = nstrcpy(p, argv[j]);
 129       }
 130       *p = 0;
 131     }
 132   }
 133
 134   /* --- Now start work on making things --- */
 135
 136   {
 137     int i, e;
 138     char cmdbuf[1024];
 139
 140     if (is_prefix)
 141       _swi(XDDEUtils_Prefix, _in(0), 0);
 142     for (i = 0; i < sx.i; i++) {
 143       sprintf(cmdbuf, "amu -desktop -f %s%s", sx.p[i], tail);
 144       printf("submake: Making%s with `%s'\n", tail, sx.p[i]);
 145       if ((e = system(cmdbuf)) != 0) {
 146         printf("submake: Failed%s with `%s' [%i]\n", tail, sx.p[i], e);
 147         exit(1);
 148       }
 149       printf("submake: Successfully made%s with `%s'\n", tail, sx.p[i]);
 150     }
 151   }
 152
 153   /* --- Restore the original prefix --- */
 154
 155   if (is_prefix)
 156     _swi(XDDEUtils_Prefix, _in(0), prefix);
 157
 158   /* --- That's it: return --- */
 159
 160   return (0);
 161 }