src/poolarch.c

   1 /*
   2  * Copyright (c) 2007, Novell Inc.
   3  *
   4  * This program is licensed under the BSD license, read LICENSE.BSD
   5  * for further information
   6  */
   7
   8 /*
   9  * poolarch.c
  10  *
  11  * create architecture policies
  12  */
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <string.h>
  17
  18 #include "pool.h"
  19 #include "poolid.h"
  20 #include "poolarch.h"
  21 #include "util.h"
  22
  23 const char *archpolicies[] = {
  24   "x86_64",     "x86_64:i686:i586:i486:i386",
  25   "i686",       "i686:i586:i486:i386",
  26   "i586",       "i586:i486:i386",
  27   "i486",       "i486:i386",
  28   "i386",       "i386",
  29   "s390x",      "s390x:s390",
  30   "s390",       "s390",
  31   "ia64",       "ia64:i686:i586:i486:i386",
  32   "ppc64",      "ppc64:ppc",
  33   "ppc",        "ppc",
  34   "armv6l",     "armv6l:armv5tejl:armv5tel:armv5l:armv4tl:armv4l:armv3l",
  35   "armv5tejl",  "armv5tejl:armv5tel:armv5l:armv4tl:armv4l:armv3l",
  36   "armv5tel",   "armv5tel:armv5l:armv4tl:armv4l:armv3l",
  37   "armv5l",     "armv5l:armv4tl:armv4l:armv3l",
  38   "armv4tl",    "armv4tl:armv4l:armv3l",
  39   "armv4l",     "armv4l:armv3l",
  40   "armv3l",     "armv3l",
  41   0
  42 };
  43
  44 void
  45 pool_setarch(Pool *pool, const char *arch)
  46 {
  47   const char *a;
  48   char buf[256];
  49   unsigned int score = 0x10001;
  50   size_t l;
  51   char d;
  52   int i;
  53   Id *id2arch;
  54   Id id, lastarch;
  55
  56   pool->id2arch = sat_free(pool->id2arch);
  57   if (!arch)
  58     {
  59       pool->lastarch = 0;
  60       return;
  61     }
  62   id = ARCH_NOARCH;
  63   lastarch = id + 255;
  64   id2arch = sat_calloc(lastarch + 1, sizeof(Id));
  65   id2arch[id] = 1;
  66
  67   a = "";
  68   for (i = 0; archpolicies[i]; i += 2)
  69     if (!strcmp(archpolicies[i], arch))
  70       break;
  71   if (archpolicies[i])
  72     a = archpolicies[i + 1];
  73   d = 0;
  74   while (*a)
  75     {
  76       l = strcspn(a, ":=>");
  77       if (l && l < sizeof(buf) - 1)
  78         {
  79           strncpy(buf, a, l);
  80           buf[l] = 0;
  81           id = str2id(pool, buf, 1);
  82           if (id > lastarch)
  83             {
  84               id2arch = sat_realloc(id2arch, (id + 255 + 1) * sizeof(Id));
  85               memset(id2arch + lastarch + 1, 0, (id + 255 - lastarch) * sizeof(Id));
  86               lastarch = id + 255;
  87             }
  88           if (id2arch[id] == 0)
  89             {
  90               if (d == ':')
  91                 score += 0x10000;
  92               else if (d == '>')
  93                 score += 0x00001;
  94               id2arch[id] = score;
  95             }
  96         }
  97       a += l;
  98       if ((d = *a++) == 0)
  99         break;
 100     }
 101   pool->id2arch = id2arch;
 102   pool->lastarch = lastarch;
 103 }