diff options
| -rw-r--r-- | src/glib-compat.c | 64 | ||||
| -rw-r--r-- | src/glib-compat.h | 1 |
2 files changed, 65 insertions, 0 deletions
diff --git a/src/glib-compat.c b/src/glib-compat.c index 49edf73..41a7f52 100644 --- a/src/glib-compat.c +++ b/src/glib-compat.c @@ -19,11 +19,75 @@ #include "config.h" #include <string.h> +#include <glib/gi18n.h> #include "glib-compat.h" #if !GLIB_CHECK_VERSION(2,30,0) G_DEFINE_BOXED_TYPE (GMainContext, spice_main_context, g_main_context_ref, g_main_context_unref) + +#define KILOBYTE_FACTOR (G_GOFFSET_CONSTANT (1000)) +#define MEGABYTE_FACTOR (KILOBYTE_FACTOR * KILOBYTE_FACTOR) +#define GIGABYTE_FACTOR (MEGABYTE_FACTOR * KILOBYTE_FACTOR) +#define TERABYTE_FACTOR (GIGABYTE_FACTOR * KILOBYTE_FACTOR) +#define PETABYTE_FACTOR (TERABYTE_FACTOR * KILOBYTE_FACTOR) +#define EXABYTE_FACTOR (PETABYTE_FACTOR * KILOBYTE_FACTOR) + +/** + * g_format_size: + * @size: a size in bytes + * + * Formats a size (for example the size of a file) into a human readable + * string. Sizes are rounded to the nearest size prefix (kB, MB, GB) + * and are displayed rounded to the nearest tenth. E.g. the file size + * 3292528 bytes will be converted into the string "3.2 MB". + * + * The prefix units base is 1000 (i.e. 1 kB is 1000 bytes). + * + * This string should be freed with g_free() when not needed any longer. + * + * See g_format_size_full() for more options about how the size might be + * formatted. + * + * Returns: a newly-allocated formatted string containing a human readable + * file size + * + * Since: 2.30 + */ +gchar * +g_format_size (guint64 size) +{ + GString *string; + + string = g_string_new (NULL); + + if (size < KILOBYTE_FACTOR) + { + g_string_printf (string, + g_dngettext(GETTEXT_PACKAGE, "%u byte", "%u bytes", (guint) size), + (guint) size); + } + + else if (size < MEGABYTE_FACTOR) + g_string_printf (string, _("%.1f kB"), (gdouble) size / (gdouble) KILOBYTE_FACTOR); + + else if (size < GIGABYTE_FACTOR) + g_string_printf (string, _("%.1f MB"), (gdouble) size / (gdouble) MEGABYTE_FACTOR); + + else if (size < TERABYTE_FACTOR) + g_string_printf (string, _("%.1f GB"), (gdouble) size / (gdouble) GIGABYTE_FACTOR); + else if (size < PETABYTE_FACTOR) + g_string_printf (string, _("%.1f TB"), (gdouble) size / (gdouble) TERABYTE_FACTOR); + + else if (size < EXABYTE_FACTOR) + g_string_printf (string, _("%.1f PB"), (gdouble) size / (gdouble) PETABYTE_FACTOR); + + else + g_string_printf (string, _("%.1f EB"), (gdouble) size / (gdouble) EXABYTE_FACTOR); + + return g_string_free (string, FALSE); +} + #endif diff --git a/src/glib-compat.h b/src/glib-compat.h index 5491fe4..512ea55 100644 --- a/src/glib-compat.h +++ b/src/glib-compat.h @@ -28,6 +28,7 @@ #if !GLIB_CHECK_VERSION(2,30,0) #define G_TYPE_MAIN_CONTEXT (spice_main_context_get_type ()) GType spice_main_context_get_type (void) G_GNUC_CONST; +gchar *g_format_size (guint64 size); #endif #if !GLIB_CHECK_VERSION(2,32,0) |