[vorbis-dev] ov_open() Causing File Access Errors

[Alan MacDonald]

Dustin Smith wrote:
> In my BCB application, this code, when executed, has been eliciting an access
> violation error.  It works fine when just opening the filestream; the error seems
> to be from the ov_open() command.
> 
>    FILE* filePtr=fopen(FileListBox1->FileName.c_str(),"rw");
>    ov_open(filePtr,ovFile,NULL,0);
> 
> "Access violation at address 00401FA4 in program. Read of address 00000000" is the
> error.  Any ideas what this may be?  Thank you.

Two things to try. First, you should always check the return value of 
fopen() to make sure you actually have a valid FILE pointer. (I believe 
that's what's failing)  Secondly, if this is on Windows make sure you 
open with "rb" or "wb" to take care of the EOL handling.

Alan

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