Re: [Texmacs-dev] character encoding

[Felix Breuer]

On Tue, 2003-01-28 at 13:11, Joris van der Hoeven wrote:
> Oh, and don't forget that 'as_charp' uses new. The created string
> should therefore be deleted when you do no longer need it.

I know. When I tried to delete a previously allocated char* what I got
was a segfault:

#0  0x4035cac7 in _int_free () from /lib/libc.so.6
#1  0x4035b98f in free () from /lib/libc.so.6
#2  0x080549ba in operator delete(void*) (ptr=0x865f5db)
    at Basic/Types/basic.cc:48
#3  0x080aec6a in convert_using_iconv(string, string, string) (input=
      {rep = 0xe020e120}, from={rep = 0x1231e4}, to=Cannot access memory at 
address 0x3c20e220
)
    at Resource/Converters/converter.cc:161
#4  0x080ae706 in convert_from_cork(string, string) (input=Cannot access memory 
at address 0x4486d7f3
)
    at Resource/Converters/converter.cc:119
#5  0x080ae414 in convert(string, string, string) (input={rep = 0x860594c},
    from={rep = 0x8602b20}, to={rep = 0x8605398})
    at Resource/Converters/converter.cc:98

Any idea why?

This is the chunk of code I am referring to:

  while (inbytesleft > 0) {
    size_t out_buf_len = max(inbytesleft,10);
    size_t outbytesleft = out_buf_len;
    char* out_buf = new char[out_buf_len];
    char* start_out_buf = out_buf;
    size_t flag = iconv (cd, &in_buf, &inbytesleft, &out_buf, &outbytesleft);
    if(flag==(size_t)-1 && errno != E2BIG) { system_error("String conversion 
using iconv failed!"); return "";}
    result << string(start_out_buf, out_buf_len - outbytesleft);
    delete out_buf;
  }