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Android. How to package a file and then ::fopen it from JNI?


By : János Auldron
Date : October 16 2020, 11:12 PM
may help you . I would like to do the same. The only thing I could think of was: copying the file onto the sdcard and read it from there "/sdcard/somefolder/somefile"
code :


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GeoIP & fopen() - "fopen(GeoIP/GeoIP.dat) [function.fopen]: failed to open stream" occurs even though file


By : azeem151
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I've been trying to debug this error for over three hours now, changing filenames, trying to use GeoIP Lite instead of GeoCity (the latter has a 27mb file to be included, so did this thinking fopen() had a max), etc. , It's a path issue.

php fopen - how can I use fopen to open just a part of the file,


By : ALAMIN Rahman
Date : March 29 2020, 07:55 AM
this one helps. Lets admit we have a huge text file, more exact a ics file. Huge... 10MB or more
And we want to read out only a piece of it with php
from , try something like this:
code :
$numb=0;
$result=array();
$handle = @fopen("inputfile.txt", "r");
$exit=0;
  while (($buffer = fgets($handle) && $exit==0) {
        if(strpos($buffer,'BEGIN:VEVENT')){
          $onoff=1;
        }
        if ($onoff==1){
          $result[$numb]=$buffer;
          $numb=numb+1;
        }
        if(strpos($buffer,'END:VEVENT')){
          $onoff=0;
          $exit=1;
         }

    }
  if (!feof($handle)) {
      echo "Error: unexpected fgets() fail\n";
  }
  fclose($handle);
 }

Why does fopen thown errno:22 when I use the file name with colon in Android?


By : victoria burke
Date : March 29 2020, 07:55 AM
should help you out I suppose the problem arises because the colon : is used as a path-list separator under *NIX systems (e.g. to separate the pathnames listed in the PATH environment variable). Probably some internal processing went awry because of this.

How to open a gzip file using fopen (or a function with the same return value as fopen) in C++?


By : John Garrard
Date : March 29 2020, 07:55 AM
Does that help zlib provides analogs of fopen(), fread(), etc. called gzopen(), gzread(), etc. for reading and writing gzip files. If the file is not gzip-compressed, it will be read just as the f functions would. So you would only need to change the function names and link in zlib.

Changing permission of a file in Android for fopen


By : Alpha
Date : March 29 2020, 07:55 AM
seems to work fine According to errno.h errno 22 is
#define EINVAL 22 /* Invalid argument */
code :
   fp = fopen("logmsg.txt", "+wb");
   fp = fopen("logmsg.txt", "wb+");
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