Re: write to a file using g_print

2012-08-22 Thread Rudra Banerjee 
Thanks! Its working excellent.
Now, I have another small problem.
I have opened a file from the menubar filechooser dialog as:

static void open_file(GtkWidget *widget, gpointer data) {
GtkWidget *dialog;//, *entry;
dialog = gtk_file_chooser_dialog_new(Open File,
GTK_WINDOW(window),
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
char *filename;
filename =
gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
read_view(filename);
g_print(filename);
}
gtk_widget_destroy(dialog);
}

I would like to append this file from another function:
static void
activate_func(GtkWidget *widget, gpointer data) {
/* OTHER STAFF */
FILE *fop = fopen(file.bib, a );
g_fprintf( fop, @%s{%s,\n, strcombo, strkey );
/*ETC*/
}

instead of fopen(file.bib,a), I tried fopen(open_file( *widget,
data,filename),a) and also adjusted the argument of open_file.
but its not working. 

How I can transfer the filename from open_file to activate_func?
On Wed, 2012-08-22 at 07:45 +0800, Ardhan Madras wrote:
 g_open() is wrapper to open() syscall, not the standard libc's fopen().
 
  mkbib.c:114:15: warning: initialization makes pointer from integer
  without a cast [enabled by default]
 You got this because g_open() returning a int (file descriptor) not a
 FILE pointer.
 
 You must distinguish each I/O method that you are using and don't mess with 
 it.
 You can't use a file descriptor to standard libc's I/O functions, use
 FILE pointer instead.
 
 #include glib.h
 #include glib/gstdio.h
 #include stdio.h
 
 FILE *fop = open(bib2.bib, w);
 /* you can call g_fprintf() or fprintf() */
 
 see man 3 printf
 
  Is it possible to write to a file using g_print?
 g_print() already write to standard output FILE, but you can dup()
 standard output to another file.
 
 Regards.
 
 On Wed, Aug 22, 2012 at 6:42 AM, Rudra Banerjee bnrj.ru...@yahoo.com wrote:
  Is it possible to write to a file using g_print?
  I was trying something like:
 
FILE *fop = g_open(bib2.bib,w);
g_print (%s%s,strcombo,strkey, fop);
 
  but its not working.
  Even fprintf is giving warning and not writing.
  mkbib.c:114:15: warning: initialization makes pointer from integer
  without a cast [enabled by default]
  mkbib.c:115:3: warning: passing argument 1 of ‘fprintf’ from
  incompatible pointer type [enabled by default]
 
  Any solution?
 
 
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Re: write to a file using g_print

2012-08-22 Thread Ardhan Madras 
 How I can transfer the filename from open_file to activate_func?

When the activate_func() will be invoked? is it a callback function or
something?. I don't know why and how you implemented that, but you
already retrieved filename in open_file(), if you supposed to call
activate_func() here, you can pass the filename to activate_func(),
the activate_func() much or less will be;

static void activate_func(const char *filename)
{
   FILE *fop = fopen(filename, a );
   /* Verify and work with it */
}

then call activate_func(filename) in open_file()

 instead of fopen(file.bib,a), I tried fopen(open_file( *widget,
 data,filename),a) and also adjusted the argument of open_file.
 but its not working.

You can't fopen(open_file( *widget, data,filename),a) because it is
a programming error, peoples in this list usually will not happy to
answer this.

Regards


On Wed, Aug 22, 2012 at 7:42 PM, Rudra Banerjee bnrj.ru...@yahoo.com wrote:
 Thanks! Its working excellent.
 Now, I have another small problem.
 I have opened a file from the menubar filechooser dialog as:

 static void open_file(GtkWidget *widget, gpointer data) {
 GtkWidget *dialog;//, *entry;
 dialog = gtk_file_chooser_dialog_new(Open File,
 GTK_WINDOW(window),
 GTK_FILE_CHOOSER_ACTION_OPEN,
 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 NULL);
 if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
 char *filename;
 filename =
 gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 read_view(filename);
 g_print(filename);
 }
 gtk_widget_destroy(dialog);
 }

 I would like to append this file from another function:
 static void
 activate_func(GtkWidget *widget, gpointer data) {
 /* OTHER STAFF */
 FILE *fop = fopen(file.bib, a );
 g_fprintf( fop, @%s{%s,\n, strcombo, strkey );
 /*ETC*/
 }

 instead of fopen(file.bib,a), I tried fopen(open_file( *widget,
 data,filename),a) and also adjusted the argument of open_file.
 but its not working.

 How I can transfer the filename from open_file to activate_func?
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Re: write to a file using g_print

2012-08-21 Thread David Nečas 
On Tue, Aug 21, 2012 at 11:42:53PM +0100, Rudra Banerjee wrote:
 Is it possible to write to a file using g_print? 

g_print() is not an interface to print things to *a specific
destination*.  Quite the opposite.

It sends messages to the print handler.  Depending on the print handler
stup, it do anything with them (print to stdout, save to some file,
display somewhere, discard, ...).

 Any solution?

Don't do that then.  Use g_fprintf().  Or, in most cases, just
fprintf().

Yeti

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Re: write to a file using g_print

2012-08-21 Thread Ardhan Madras 
g_open() is wrapper to open() syscall, not the standard libc's fopen().

 mkbib.c:114:15: warning: initialization makes pointer from integer
 without a cast [enabled by default]
You got this because g_open() returning a int (file descriptor) not a
FILE pointer.

You must distinguish each I/O method that you are using and don't mess with it.
You can't use a file descriptor to standard libc's I/O functions, use
FILE pointer instead.

#include glib.h
#include glib/gstdio.h
#include stdio.h

FILE *fop = open(bib2.bib, w);
/* you can call g_fprintf() or fprintf() */

see man 3 printf

 Is it possible to write to a file using g_print?
g_print() already write to standard output FILE, but you can dup()
standard output to another file.

Regards.

On Wed, Aug 22, 2012 at 6:42 AM, Rudra Banerjee bnrj.ru...@yahoo.com wrote:
 Is it possible to write to a file using g_print?
 I was trying something like:

   FILE *fop = g_open(bib2.bib,w);
   g_print (%s%s,strcombo,strkey, fop);

 but its not working.
 Even fprintf is giving warning and not writing.
 mkbib.c:114:15: warning: initialization makes pointer from integer
 without a cast [enabled by default]
 mkbib.c:115:3: warning: passing argument 1 of ‘fprintf’ from
 incompatible pointer type [enabled by default]

 Any solution?


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