NAME

       pm_make_tmpfile_fd() - create a temporary named file

SYNOPSIS

       #include <netpbm/pm.h>

       pm_make_tmpfile(int *         fdP,
                       const char ** filenameP);

EXAMPLE

       This simple example creates a temporary file, writes "hello world" to it, then writes some
       search patterns to it, then uses it as input to grep:

       #include <netpbm/pm.h>

       int fd;
       const char * myfilename;

       pm_make_tmpfile_fd(&fdP, &myfilename);

       write(fd, "^account:\\s.*\n", 16);
       fprintf(fd, "^name:\\s.*\n", 13);

       close(fd);

       asprintfN(&grepCommand, "grep --file='%s' /tmp/infile >/tmp/outfile");

       system(grepCommand);

       strfree(grepCommand);

       unlink(myfilename);

       strfree(myfilename);

DESCRIPTION

       This library function is part of Netpbm(1).

       pm_make_tmpfile_fd() is analogous to pm_make_tmpfile()(1).  The only difference is that it
       opens  the  file as a low level file, as open() would, rather than as a stream, as fopen()
       would.

       If you don't need to access the file by name, use pm_tmpfile_fd()  instead,  because  it's
       cleaner.   With  pm_tmpfile_fd(),  the  operating system always deletes the temporary file
       when your program exits, if the program failed to clean up after itself.

HISTORY

       pm_tmpfile() was introduced in Netpbm 10.42 (March 2008).

DOCUMENT SOURCE

       This manual page was generated by the Netpbm tool 'makeman' from HTML source.  The  master
       documentation is at

              http://netpbm.sourceforge.net/doc/libmaketmpfilefd.html

netpbm documentation                  NetpbmDsubroutine0library: pm_make_tmpfile_fd() function(3)