Imported Upstream version 0.6.35

[platform/upstream/libsolv.git] / src / poolarch.c

diff --git a/src/poolarch.c b/src/poolarch.c
index 3ea4713..4a1fa50 100644 (file)
--- a/src/poolarch.c
+++ b/src/poolarch.c
@@ -20,80 +20,106 @@
 #include "poolarch.h"
 #include "util.h"
 
-const char *archpolicies[] = {
+static const char *archpolicies[] = {
+#if defined(FEDORA) || defined(MAGEIA)
+  "x86_64",    "x86_64:athlon:i686:i586:i486:i386",
+#else
   "x86_64",    "x86_64:i686:i586:i486:i386",
+#endif
   "i686",      "i686:i586:i486:i386",
   "i586",      "i586:i486:i386",
   "i486",      "i486:i386",
-  "i386",      "i386",
   "s390x",     "s390x:s390",
-  "s390",      "s390",
-  "ia64",      "ia64:i686:i586:i486:i386",
   "ppc64",     "ppc64:ppc",
-  "ppc",       "ppc",
-  "armv7l",    "armv7l:armv6l:armv5tejl:armv5tel:armv5l:armv4tl:armv4l:armv3l",
-  "armv6l",    "armv6l:armv5tejl:armv5tel:armv5l:armv4tl:armv4l:armv3l",
-  "armv5tejl", "armv5tejl:armv5tel:armv5l:armv4tl:armv4l:armv3l",
-  "armv5tel",  "armv5tel:armv5l:armv4tl:armv4l:armv3l",
+  "ppc64p7",   "ppc64p7:ppc64:ppc",
+  "ia64",      "ia64:i686:i586:i486:i386",
+  "armv7hnl",  "armv7hnl:armv7hl:armv6hl",
+  "armv7hl",   "armv7hl:armv6hl",
+  "armv7l",    "armv7l:armv6l:armv5tejl:armv5tel:armv5tl:armv5l:armv4tl:armv4l:armv3l",
+  "armv6l",    "armv6l:armv5tejl:armv5tel:armv5tl:armv5l:armv4tl:armv4l:armv3l",
+  "armv5tejl", "armv5tejl:armv5tel:armv5tl:armv5l:armv4tl:armv4l:armv3l",
+  "armv5tel",  "armv5tel:armv5tl:armv5l:armv4tl:armv4l:armv3l",
+  "armv5tl",   "armv5tl:armv5l:armv4tl:armv4l:armv3l",
   "armv5l",    "armv5l:armv4tl:armv4l:armv3l",
   "armv4tl",   "armv4tl:armv4l:armv3l",
   "armv4l",    "armv4l:armv3l",
-  "armv3l",    "armv3l",
-  "sh3",       "sh3",
-  "sh4",       "sh4",
   "sh4a",      "sh4a:sh4",
   "sparc64v",  "sparc64v:sparc64:sparcv9v:sparcv9:sparcv8:sparc",
   "sparc64",   "sparc64:sparcv9:sparcv8:sparc",
   "sparcv9v",  "sparcv9v:sparcv9:sparcv8:sparc",
   "sparcv9",   "sparcv9:sparcv8:sparc",
   "sparcv8",   "sparcv8:sparc",
-  "sparc",     "sparc",
+#if defined(FEDORA) || defined(MAGEIA)
+  "ia32e",     "ia32e:x86_64:athlon:i686:i586:i486:i386",
+  "athlon",    "athlon:i686:i586:i486:i386",
+  "amd64",     "amd64:x86_64:athlon:i686:i586:i486:i386",
+  "geode",     "geode:i586:i486:i386",
+  "ppc64iseries", "ppc64iseries:ppc64:ppc",
+  "ppc64pseries", "ppc64pseries:ppc64:ppc",
+#endif
   0
 };
 
 void
 pool_setarch(Pool *pool, const char *arch)
 {
-  const char *a;
+  if (arch)
+    {
+      int i;
+      /* convert arch to known policy */
+      for (i = 0; archpolicies[i]; i += 2)
+       if (!strcmp(archpolicies[i], arch))
+         {
+           arch = archpolicies[i + 1];
+           break;
+         }
+    }
+  pool_setarchpolicy(pool, arch);
+}
+
+/*
+ * we support three relations:
+ *
+ * a = b   both architectures a and b are treated as equivalent
+ * a > b   a is considered a "better" architecture, the solver
+ *         should change from a to b, but must not change from b to a
+ * a : b   a is considered a "better" architecture, the solver
+ *         must not change the architecture from a to b or b to a
+ */
+void
+pool_setarchpolicy(Pool *pool, const char *arch)
+{
   unsigned int score = 0x10001;
   size_t l;
   char d;
-  int i;
   Id *id2arch;
   Id id, lastarch;
 
-  pool->id2arch = sat_free(pool->id2arch);
-  pool->id2color = sat_free(pool->id2color);
+  pool->id2arch = solv_free(pool->id2arch);
+  pool->id2color = solv_free(pool->id2color);
   if (!arch)
     {
       pool->lastarch = 0;
       return;
     }
-#ifndef DEBIAN_SEMANTICS
-  id = ARCH_NOARCH;
-#else
-  id = ARCH_ALL;
-#endif
+  id = pool->noarchid;
   lastarch = id + 255;
-  id2arch = sat_calloc(lastarch + 1, sizeof(Id));
-  id2arch[id] = 1;
+  /* note that we overallocate one element to be compatible with
+   * old versions that accessed id2arch[lastarch].
+   * id2arch[lastarch] will always be zero */
+  id2arch = solv_calloc(lastarch + 1, sizeof(Id));
+  id2arch[id] = 1;     /* the "noarch" class */
 
-  a = "";
-  for (i = 0; archpolicies[i]; i += 2)
-    if (!strcmp(archpolicies[i], arch))
-      break;
-  if (archpolicies[i])
-    a = archpolicies[i + 1];
   d = 0;
-  while (*a)
+  while (*arch)
     {
-      l = strcspn(a, ":=>");
+      l = strcspn(arch, ":=>");
       if (l)
        {
-         id = strn2id(pool, a, l, 1);
-         if (id > lastarch)
+         id = pool_strn2id(pool, arch, l, 1);
+         if (id >= lastarch)
            {
-             id2arch = sat_realloc(id2arch, (id + 255 + 1) * sizeof(Id));
+             id2arch = solv_realloc2(id2arch, (id + 255 + 1), sizeof(Id));
              memset(id2arch + lastarch + 1, 0, (id + 255 - lastarch) * sizeof(Id));
              lastarch = id + 255;
            }
@@ -106,8 +132,8 @@ pool_setarch(Pool *pool, const char *arch)
              id2arch[id] = score;
            }
        }
-      a += l;
-      if ((d = *a++) == 0)
+      arch += l;
+      if ((d = *arch++) == 0)
        break;
     }
   pool->id2arch = id2arch;
@@ -120,17 +146,18 @@ pool_arch2color_slow(Pool *pool, Id arch)
   const char *s;
   unsigned char color;
 
-  if (arch > pool->lastarch)
+  if ((unsigned int)arch >= (unsigned int)pool->lastarch)
     return ARCHCOLOR_ALL;
   if (!pool->id2color)
-    pool->id2color = sat_calloc(pool->lastarch + 1, 1);
-  s = id2str(pool, arch);
-  if (arch == ARCH_NOARCH || arch == ARCH_ALL)
+    pool->id2color = solv_calloc(pool->lastarch + 1, 1);
+  s = pool_id2str(pool, arch);
+  if (arch == ARCH_NOARCH || arch == ARCH_ALL || arch == ARCH_ANY)
     color = ARCHCOLOR_ALL;
   else if (!strcmp(s, "s390x") || strstr(s, "64"))
     color = ARCHCOLOR_64;
   else
     color = ARCHCOLOR_32;
+  pool->id2color[arch] = color;
   return color;
 }