* apt-pkg/contrib/error.cc:

  - remove 400 char size limit of error messages (LP: #365611)

3 files changed, 39 insertions, 7 deletions

diff --git a/apt-pkg/contrib/error.cc b/apt-pkg/contrib/error.cc
index e2e8d6e57..7dad11689 100644
--- a/apt-pkg/contrib/error.cc
+++ b/apt-pkg/contrib/error.cc
@@ -18,6 +18,7 @@
 #include <iostream>
 #include <errno.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 
 #include <string>
@@ -103,10 +104,21 @@ bool GlobalError::InsertErrno(MsgType const &type, const char *Function,
 // GlobalError::InsertErrno - formats an error message with the errno	/*{{{*/
 bool GlobalError::InsertErrno(MsgType type, const char* Function,
 			      const char* Description, va_list &args) {
-	char S[400];
-	snprintf(S, sizeof(S), "%s - %s (%i: %s)", Description,
-		 Function, errno, strerror(errno));
-	return Insert(type, S, args);
+	int const errsv = errno;
+	char* S = (char*) malloc(400);
+	size_t const Ssize = snprintf(S, 400, "%s - %s (%i: %s)", Description,
+				      Function, errsv, strerror(errsv)) + 1;
+
+	if (Ssize > 400) {
+		free(S);
+		S = (char*) malloc(Ssize);
+		snprintf(S, Ssize, "%s - %s (%i: %s)", Description,
+			 Function, errsv, strerror(errsv));
+	}
+
+	bool const geins = Insert(type, S, args);
+	free(S);
+	return geins;
 }
 									/*}}}*/
 // GlobalError::Fatal - Add a fatal error to the list			/*{{{*/
@@ -157,8 +169,14 @@ bool GlobalError::Insert(MsgType const &type, const char *Description,...)
 // GlobalError::Insert - Insert a new item at the end			/*{{{*/
 bool GlobalError::Insert(MsgType type, const char* Description,
 			 va_list &args) {
-	char S[400];
-	vsnprintf(S,sizeof(S),Description,args);
+	char* S = (char*) malloc(400);
+	size_t const Ssize = vsnprintf(S, 400, Description, args) + 1;
+
+	if (Ssize > 400) {
+		free(S);
+		S = (char*) malloc(Ssize);
+		vsnprintf(S, Ssize, Description, args);
+	}
 
 	Item const m(S, type);
 	Messages.push_back(m);
@@ -169,6 +187,7 @@ bool GlobalError::Insert(MsgType type, const char* Description,
 	if (type == FATAL || type == DEBUG)
 		std::clog << m << std::endl;
 
+	free(S);
 	return false;
 }
 									/*}}}*/
diff --git a/debian/changelog b/debian/changelog
index 3adb9d76f..a44a603e3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -84,6 +84,8 @@ apt (0.8.11) UNRELEASED; urgency=low
   * apt-pkg/pkgcachegen.cc:
     - in multiarch, let :all packages conflict with :any packages
       with a different version to be sure
+  * apt-pkg/contrib/error.cc:
+    - remove 400 char size limit of error messages (LP: #365611)
 
   [ Michael Vogt ]
   * methods/http.cc:
@@ -101,7 +103,7 @@ apt (0.8.11) UNRELEASED; urgency=low
       will actually test uncompressed indexes regardless of the internal
       default value of Acquire::GzipIndexes.
 
- -- David Kalnischkies <kalnischkies@gmail.com>  Mon, 07 Feb 2011 13:06:50 +0100
+ -- David Kalnischkies <kalnischkies@gmail.com>  Mon, 07 Feb 2011 21:42:06 +0100
 
 apt (0.8.10.3) unstable; urgency=low
 
diff --git a/test/integration/test-ubuntu-bug-365611-long-package-names b/test/integration/test-ubuntu-bug-365611-long-package-names
new file mode 100755
index 000000000..28b55df3b
--- /dev/null
+++ b/test/integration/test-ubuntu-bug-365611-long-package-names
@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+local TESTDIR=$(readlink -f $(dirname $0))
+. $TESTDIR/framework
+setupenvironment
+configarchitecture "i386"
+setupaptarchive
+
+aptget install $(for i in $(seq 0 1000); do echo -n 'a'; done) 2> longpackagename.log > /dev/null || true
+testfileequal 'longpackagename.log' "E: Unable to locate package $(for i in $(seq 0 1000); do echo -n 'a'; done)"