* add "purge" commandline argument, closes: #133421)

[apt.git] / apt-pkg / contrib / strutl.cc

diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index d96155917df06f6f4ded17e9c1195bc7427f0145..14ead61e16b66a8e555283bae4c0c6ff4b844940 100644 (file)
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -28,16 +28,60 @@
 #include <ctype.h>
 #include <string.h>
 #include <stdio.h>
+#include <algorithm>
 #include <unistd.h>
 #include <regex.h>
 #include <errno.h>
 #include <stdarg.h>
+#include <iconv.h>
 
 #include "config.h"
 
 using namespace std;
                                                                        /*}}}*/
 
+// UTF8ToCodeset - Convert some UTF-8 string for some codeset          /*{{{*/
+// ---------------------------------------------------------------------
+/* This is handy to use before display some information for enduser  */
+bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest)
+{
+  iconv_t cd;
+  const char *inbuf;
+  char *inptr, *outbuf, *outptr;
+  size_t insize, outsize;
+  
+  cd = iconv_open(codeset, "UTF-8");
+  if (cd == (iconv_t)(-1)) {
+     // Something went wrong
+     if (errno == EINVAL)
+       _error->Error("conversion from 'UTF-8' to '%s' not available",
+               codeset);
+     else
+       perror("iconv_open");
+     
+     // Clean the destination string
+     *dest = "";
+     
+     return false;
+  }
+
+  insize = outsize = orig.size();
+  inbuf = orig.data();
+  inptr = (char *)inbuf;
+  outbuf = new char[insize+1];
+  outptr = outbuf;
+
+  iconv(cd, &inptr, &insize, &outptr, &outsize);
+  *outptr = '\0';
+
+  *dest = outbuf;
+  delete[] outbuf;
+  
+  iconv_close(cd);
+
+  return true;
+}
+                                                                       /*}}}*/
 // strstrip - Remove white space from the front and back of a string   /*{{{*/
 // ---------------------------------------------------------------------
 /* This is handy to use when parsing a file. It also removes \n's left