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#include <glib.h>

/*
Show example usage of ...
GLib Utilities | File Utilities | g_file_test, g_mkdir(), g_rmdir(), g_rename(), g_chmod()
GLib Utilities | Miscellaneous Utility Functions | g_get_user_name, g_set_prgname, g_get_prgname, g_setenv, g_getenv, g_unsetenv
GLib Utilities | String Utility Functions | g_strcmp0(), g_str_has_prefix(), g_str_has_suffix()
GLib Utilities | URI Functions | g_uri_parse_scheme()

gcc -o simple simple.c `pkg-config --libs --cflags glib-2.0`
*/

int main( int argc, char *argv[])
{

  /* g_file_test */
  /* Test if a file exists. */
  if (!g_file_test("simple", G_FILE_TEST_EXISTS)) {
      g_print ("File not found. \n");
  } else {
      g_print ("File found. \n");   
  }
 
  /* g_get_user_name() */
  /* Get name of current user. */
  const gchar *guname = g_get_user_name();
  g_print("%s \n", guname);
 
  /* g_set_prgname() */
  /* Set our programs name. */
  const gchar *prgname = "Test Application";
  g_set_prgname(prgname);
 
  /* g_get_prgname() */
  /* Get our programs name. */
  gchar *ganame = g_get_prgname();
  g_print("%s \n", ganame);
 
  /* g_setenv() */
  /* Apply value to TEST Enviroment Varible. */
  g_setenv("TEST", "Hello, Gtk+ Forum", TRUE);
                   
  /* g_getenv() */
  /* Get value of TEST Enviroment Varible. */
  const gchar *env_return;
  env_return = g_getenv("TEST");
  g_print("%s \n", env_return);
 
  /* g_unsetenv() */
  /* Unset the TEST Enviromen Varible. */
  g_unsetenv("TEST");
   
  /* g_uri_parse_scheme() */
  /* Check a URI to see if it is ftp, http or other. */
  const gchar *uri_type;
  uri_type = g_uri_parse_scheme("ftp://www.example.com/packages/example-1.0-1.tar.gz");
  g_print("%s \n", uri_type);
 
  /* g_strcmp0() */
  /* Compare two strings and determine if they match.*/
  const gchar *cmp = "ftp";
  if(g_strcmp0(uri_type,cmp) == 0) {
        g_print("True \n");
  }
  else {
        g_print("False \n");
  }

  /* g_str_has_prefix() */
  /* Check if a string has a particular prefix.*/
  gboolean prefix_value;
  prefix_value = g_str_has_prefix("ftp://www.example.com/packages/example-1.0-1.tar.gz", "ftp:");
  if(prefix_value == TRUE) {
        g_print("Prefix is true \n");
  }
  else {
        g_print("Prefix is false \n");
  }

  /* g_str_has_suffix() */
  /* Check if a string has a particular suffix.*/
  gboolean suffix_value;
  suffix_value = g_str_has_suffix("ftp://www.example.com/packages/example-1.0-1.tar.gz", ".tar.gz");
  if(suffix_value == TRUE) {
        g_print("Suffix is true \n");
  }
  else {
        g_print("Suffix is false \n");
  }

  /* g_mkdir() */
  /* Create a new dir with these permissions if it deosn't already exist.*/
  const gchar *dir_name = "Example";
  if (!g_file_test(dir_name, G_FILE_TEST_EXISTS)) {
      g_print ("Creating %s directory. \n", dir_name);
      g_mkdir(dir_name, 0700);
  } else {
      g_print ("Directory %s already exists. \n", dir_name);   
  }

  /* g_rmdir() */
  /* Remove a dir if it exist.*/
  if (!g_file_test(dir_name, G_FILE_TEST_EXISTS)) {
      g_print ("Directory %s doesn't exists. \n", dir_name);
  } else {
      g_print ("Removing %s directory. \n", dir_name);
      g_rmdir(dir_name);   
  }

  /* g_rename() */
  /* Rename a file or directory. */
  const gchar *old_name = "Example1";
  const gchar *new_name = "Example2";
  if (!g_file_test(old_name, G_FILE_TEST_EXISTS)) {
      g_print ("Directory %s doesn't exists. \n", old_name);
  } else {
      g_print ("Renaming %s directory to %s. \n", old_name, new_name);
      g_rename(old_name, new_name);   
  }

  /* g_chmod() */
  /* Change the permissions of a file or directory. */
  const gchar *file_name = "Test.txt";
  if (!g_file_test(file_name, G_FILE_TEST_EXISTS)) {
      g_print ("File %s doesn't exists. \n", file_name);
  } else {
      g_print ("Changing %s permissions. \n", file_name);
      g_chmod(file_name, 0700);   
  }

  return 0;
}

#include <glib.h>
#include <gtk/gtk.h>

int main( int argc, char *argv[])
{
  /* opening a file */
  FILE *file = g_fopen("Text","w");
  fputs ("This is a data",file);
  return 0;
}