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authorMichael Vogt <mvo@debian.org>2011-04-04 16:49:21 +0200
committerMichael Vogt <mvo@debian.org>2011-04-04 16:49:21 +0200
commitbee9ae120eeaf9f43c9688440fc3fdb8d02bf94a (patch)
tree16f267931477609dca384e60b02cf3819764e171 /apt-pkg/aptconfiguration.cc
parent3a1f49c42aae17c23d52486db21fb7c05734dbd2 (diff)
parent410327e1ee0fac0c28a95e45ea75f7359cc8dcb4 (diff)
merged from lp:~donkult/apt/sid
Diffstat (limited to 'apt-pkg/aptconfiguration.cc')
-rw-r--r--apt-pkg/aptconfiguration.cc33
1 files changed, 32 insertions, 1 deletions
diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index b23e12acb..14ee09e0d 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -17,6 +17,7 @@
#include <sys/types.h>
#include <dirent.h>
+#include <stdio.h>
#include <algorithm>
#include <string>
@@ -314,11 +315,41 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache
if (likely(Cached == true) && archs.empty() == false)
return archs;
- archs = _config->FindVector("APT::Architectures");
string const arch = _config->Find("APT::Architecture");
+ archs = _config->FindVector("APT::Architectures");
+
if (unlikely(arch.empty() == true))
return archs;
+ // FIXME: It is a bit unclean to have debian specific code hereā€¦
+ if (archs.empty() == true) {
+ archs.push_back(arch);
+ string dpkgcall = _config->Find("Dir::Bin::dpkg", "dpkg");
+ std::vector<string> const dpkgoptions = _config->FindVector("DPkg::options");
+ for (std::vector<string>::const_iterator o = dpkgoptions.begin();
+ o != dpkgoptions.end(); ++o)
+ dpkgcall.append(" ").append(*o);
+ dpkgcall.append(" --print-foreign-architectures 2> /dev/null");
+ FILE *dpkg = popen(dpkgcall.c_str(), "r");
+ char buf[1024];
+ if(dpkg != NULL) {
+ if (fgets(buf, sizeof(buf), dpkg) != NULL) {
+ char* arch = strtok(buf, " ");
+ while (arch != NULL) {
+ for (; isspace(*arch) != 0; ++arch);
+ if (arch != '\0') {
+ char const* archend = arch;
+ for (; isspace(*archend) == 0 && *archend != '\0'; ++archend);
+ archs.push_back(string(arch, (archend - arch)));
+ }
+ arch = strtok(NULL, " ");
+ }
+ }
+ pclose(dpkg);
+ }
+ return archs;
+ }
+
if (archs.empty() == true ||
std::find(archs.begin(), archs.end(), arch) == archs.end())
archs.push_back(arch);