* apt-pkg/packagemanager.cc:

[apt.git] / apt-pkg / deb / deblistparser.cc

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 59c4ee365615f4a04dde3061c160fd1f02c0a3b2..84e6c38c5440c90db4375da3e67ea740a7feb987 100644 (file)
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -10,11 +10,14 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
+#include <config.h>
+
 #include <apt-pkg/deblistparser.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
 #include <apt-pkg/crc-16.h>
 #include <apt-pkg/md5.h>
 #include <apt-pkg/macros.h>
@@ -23,6 +26,8 @@
 #include <ctype.h>
                                                                        /*}}}*/
 
+using std::string;
+
 static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important},
                        {"required",pkgCache::State::Required},
                        {"standard",pkgCache::State::Standard},
@@ -69,10 +74,7 @@ string debListParser::Package() {
 // ---------------------------------------------------------------------
 /* This will return the Architecture of the package this section describes */
 string debListParser::Architecture() {
-   std::string const Arch = Section.FindS("Architecture");
-   if (Arch.empty() == true)
-      return _config->Find("APT::Architecture");
-   return Arch;
+   return Section.FindS("Architecture");
 }
                                                                        /*}}}*/
 // ListParser::ArchitectureAll                                         /*{{{*/
@@ -198,7 +200,7 @@ string debListParser::DescriptionLanguage()
 
    std::vector<string> const lang = APT::Configuration::getLanguages(true);
    for (std::vector<string>::const_iterator l = lang.begin();
-       l != lang.end(); l++)
+       l != lang.end(); ++l)
       if (Section.FindS(string("Description-").append(*l).c_str()).empty() == false)
         return *l;
 
@@ -247,7 +249,7 @@ bool debListParser::UsePackage(pkgCache::PkgIterator &Pkg,
       return false;
 
    if (strcmp(Pkg.Name(),"apt") == 0)
-      Pkg->Flags |= pkgCache::Flag::Important;
+      Pkg->Flags |= pkgCache::Flag::Essential | pkgCache::Flag::Important;
    
    if (ParseStatus(Pkg,Ver) == false)
       return false;
@@ -520,9 +522,9 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
       // Skip whitespace
       for (;I != Stop && isspace(*I) != 0; I++);
       Start = I;
-      for (;I != Stop && *I != ')'; I++);
-      if (I == Stop || Start == I)
-        return 0;     
+      I = (const char*) memchr(I, ')', Stop - I);
+      if (I == NULL || Start == I)
+        return 0;
       
       // Skip trailing whitespace
       const char *End = I;
@@ -673,6 +675,9 @@ bool debListParser::ParseProvides(pkgCache::VerIterator &Ver)
            return _error->Error("Problem parsing Provides line");
         if (Op != pkgCache::Dep::NoOp) {
            _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str());
+        } else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign) {
+           if (NewProvidesAllArch(Ver, Package, Version) == false)
+              return false;
         } else {
            if (NewProvides(Ver, Package, Arch, Version) == false)
               return false;
@@ -768,6 +773,7 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
    // file. to provide Component pinning we use the section name now
    FileI->Component = WriteUniqString(component);
 
+   // FIXME: Code depends on the fact that Release files aren't compressed
    FILE* release = fdopen(dup(File.Fd()), "r");
    if (release == NULL)
       return false;
@@ -795,37 +801,32 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
       }
 
       // seperate the tag from the data
-      for (; buffer[len] != ':' && buffer[len] != '\0'; ++len)
-         /* nothing */
-         ;
-      if (buffer[len] == '\0')
+      const char* dataStart = strchr(buffer + len, ':');
+      if (dataStart == NULL)
         continue;
-      char* dataStart = buffer + len;
+      len = dataStart - buffer;
       for (++dataStart; *dataStart == ' '; ++dataStart)
          /* nothing */
          ;
-      char* dataEnd = dataStart;
-      for (++dataEnd; *dataEnd != '\0'; ++dataEnd)
-         /* nothing */
-         ;
+      const char* dataEnd = (const char*)rawmemchr(dataStart, '\0');
       // The last char should be a newline, but we can never be sure: #633350
-      char* lineEnd = dataEnd;
+      const char* lineEnd = dataEnd;
       for (--lineEnd; *lineEnd == '\r' || *lineEnd == '\n'; --lineEnd)
          /* nothing */
          ;
       ++lineEnd;
 
       // which datastorage need to be updated
-      map_ptrloc* writeTo = NULL;
+      enum { Suite, Component, Version, Origin, Codename, Label, None } writeTo = None;
       if (buffer[0] == ' ')
         ;
-      #define APT_PARSER_WRITETO(X, Y) else if (strncmp(Y, buffer, len) == 0) writeTo = &X;
-      APT_PARSER_WRITETO(FileI->Archive, "Suite")
-      APT_PARSER_WRITETO(FileI->Component, "Component")
-      APT_PARSER_WRITETO(FileI->Version, "Version")
-      APT_PARSER_WRITETO(FileI->Origin, "Origin")
-      APT_PARSER_WRITETO(FileI->Codename, "Codename")
-      APT_PARSER_WRITETO(FileI->Label, "Label")
+      #define APT_PARSER_WRITETO(X) else if (strncmp(#X, buffer, len) == 0) writeTo = X;
+      APT_PARSER_WRITETO(Suite)
+      APT_PARSER_WRITETO(Component)
+      APT_PARSER_WRITETO(Version)
+      APT_PARSER_WRITETO(Origin)
+      APT_PARSER_WRITETO(Codename)
+      APT_PARSER_WRITETO(Label)
       #undef APT_PARSER_WRITETO
       #define APT_PARSER_FLAGIT(X) else if (strncmp(#X, buffer, len) == 0) \
         pkgTagSection::FindFlag(FileI->Flags, pkgCache::Flag:: X, dataStart, lineEnd);
@@ -835,19 +836,19 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
 
       // load all data from the line and save it
       string data;
-      if (writeTo != NULL)
+      if (writeTo != None)
         data.append(dataStart, dataEnd);
       if (sizeof(buffer) - 1 == (dataEnd - buffer))
       {
         while (fgets(buffer, sizeof(buffer), release) != NULL)
         {
-           if (writeTo != NULL)
+           if (writeTo != None)
               data.append(buffer);
            if (strlen(buffer) != sizeof(buffer) - 1)
               break;
         }
       }
-      if (writeTo != NULL)
+      if (writeTo != None)
       {
         // remove spaces and stuff from the end of the data line
         for (std::string::reverse_iterator s = data.rbegin();
@@ -857,7 +858,15 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
               break;
            *s = '\0';
         }
-        *writeTo = WriteUniqString(data);
+        switch (writeTo) {
+        case Suite: FileI->Archive = WriteUniqString(data); break;
+        case Component: FileI->Component = WriteUniqString(data); break;
+        case Version: FileI->Version = WriteUniqString(data); break;
+        case Origin: FileI->Origin = WriteUniqString(data); break;
+        case Codename: FileI->Codename = WriteUniqString(data); break;
+        case Label: FileI->Label = WriteUniqString(data); break;
+        case None: break;
+        }
       }
    }
    fclose(release);