GTK Gossip: 基本檔案讀寫

#include <glib.h>

handle_error(GError *error) {

if(error != NULL) {

g_printf(error->message);

g_clear_error(&error);

}

}

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

gchar *src, *dest;

gchar *content;

gsize length;

GError *error = NULL;

if(argc >= 3) {

src = argv[1];

dest = argv[2];

}

else {

return 1;

}

if (!g_file_test(src, G_FILE_TEST_EXISTS)) {

g_error("Error: File does not exist!");

}

g_file_get_contents(src, &content, &length, &error);

handle_error(error);

g_print("%s/n", content);

g_file_set_contents(dest, content, -1, &error);

handle_error(error);

g_free (content);

return 0;

}