* merged from dpkg-log

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

diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index 6e549bedd539be1ef50fe5cf3e4757f8fdc35ad4..006452af4888e786401c956c63b852a865508c1e 100644 (file)
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -15,10 +15,6 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Includes                                                            /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/strutl.h"
-#endif
-
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
@@ -33,12 +29,55 @@
 #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