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-rw-r--r--apt-pkg/contrib/cdromutl.cc4
-rw-r--r--apt-pkg/contrib/strutl.cc61
-rw-r--r--apt-pkg/contrib/strutl.h4
3 files changed, 68 insertions, 1 deletions
diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index 821e6d688..e25caf1a5 100644
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -258,7 +258,9 @@ string FindMountPointForDevice(const char *devnode)
if(TokSplitString(' ', buf, out, 10))
{
fclose(f);
- return string(out[1]);
+ // unescape the \0XXX chars in the path
+ string mount_point = out[1];
+ return DeEscapeString(mount_point);
}
}
}
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index 072dda3ac..ab2da2d9a 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -1240,7 +1240,68 @@ bool CheckDomainList(const string &Host,const string &List)
return false;
}
/*}}}*/
+// DeEscapeString - unescape (\0XX and \xXX) from a string /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+string DeEscapeString(const string &input)
+{
+ char tmp[3];
+ string::const_iterator it, escape_start;
+ string output, octal, hex;
+ for (it = input.begin(); it != input.end(); it++)
+ {
+ // just copy non-escape chars
+ if (*it != '\\')
+ {
+ output += *it;
+ continue;
+ }
+ // deal with double escape
+ if (*it == '\\' &&
+ (it + 1 < input.end()) && it[1] == '\\')
+ {
+ // copy
+ output += *it;
+ // advance iterator one step further
+ it += 1;
+ continue;
+ }
+
+ // ensure we have a char to read
+ if (it + 1 == input.end())
+ continue;
+
+ // read it
+ it++;
+ switch (*it)
+ {
+ case '0':
+ if (it + 2 <= input.end()) {
+ tmp[0] = it[1];
+ tmp[1] = it[2];
+ tmp[2] = 0;
+ output += (char)strtol(tmp, 0, 8);
+ it += 2;
+ }
+ break;
+ case 'x':
+ if (it + 2 <= input.end()) {
+ tmp[0] = it[1];
+ tmp[1] = it[2];
+ tmp[2] = 0;
+ output += (char)strtol(tmp, 0, 16);
+ it += 2;
+ }
+ break;
+ default:
+ // FIXME: raise exception here?
+ break;
+ }
+ }
+ return output;
+}
+ /*}}}*/
// URI::CopyFrom - Copy from an object /*{{{*/
// ---------------------------------------------------------------------
/* This parses the URI into all of its components */
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index 89cbf0370..fba85cf94 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -39,6 +39,10 @@ bool ParseCWord(const char *&String,string &Res);
string QuoteString(const string &Str,const char *Bad);
string DeQuoteString(const string &Str);
string DeQuoteString(string::const_iterator const &begin, string::const_iterator const &end);
+
+// unescape (\0XX and \xXX) from a string
+string DeEscapeString(const string &input);
+
string SizeToStr(double Bytes);
string TimeToStr(unsigned long Sec);
string Base64Encode(const string &Str);