mirror of
https://git.proxmox.com/git/fwupd
synced 2025-11-04 03:11:15 +00:00
ee2e2c3674
Rename the plugin to make it clearer of the scope. Based on a patch from Mario Limonciello <mario.limonciello@dell.com>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2018 Richard Hughes <richard@hughsie.com>
|
|
* Copyright (C) 2015 Peter Jones <pjones@redhat.com>
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1+
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "fu-ucs2.h"
|
|
|
|
#define ev_bits(val, mask, shift) (((val) & ((mask) << (shift))) >> (shift))
|
|
|
|
gchar *
|
|
fu_ucs2_to_uft8 (const guint16 *str, gssize max)
|
|
{
|
|
gssize i, j;
|
|
gchar *ret;
|
|
|
|
if (max < 0)
|
|
max = fu_ucs2_strlen (str, max);
|
|
ret = g_malloc0 (max * 3 + 1); /* would be s/3/6 if this were UCS-4 */
|
|
for (i = 0, j = 0; i < max && str[i]; i++, j++) {
|
|
if (str[i] <= 0x7f) {
|
|
ret[j] = str[i];
|
|
} else if (str[i] > 0x7f && str[i] <= 0x7ff) {
|
|
ret[j++] = 0xc0 | ev_bits(str[i], 0x1f, 6);
|
|
ret[j] = 0x80 | ev_bits(str[i], 0x3f, 0);
|
|
} else if (str[i] > 0x7ff /* && str[i] < 0x10000 */ ) {
|
|
ret[j++] = 0xe0 | ev_bits(str[i], 0xf, 12);
|
|
ret[j++] = 0x80 | ev_bits(str[i], 0x3f, 6);
|
|
ret[j] = 0x80 | ev_bits(str[i], 0x3f, 0);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
guint16 *
|
|
fu_uft8_to_ucs2 (const gchar *str, gssize max)
|
|
{
|
|
gssize i, j;
|
|
guint16 *ret = g_new0 (guint16, g_utf8_strlen (str, max) + 1);
|
|
for (i = 0, j = 0; i < (max >= 0 ? max : i + 1) && str[i] != '\0'; j++) {
|
|
guint32 val = 0;
|
|
if ((str[i] & 0xe0) == 0xe0 && !(str[i] & 0x10)) {
|
|
val = ((str[i+0] & 0x0f) << 10)
|
|
|((str[i+1] & 0x3f) << 6)
|
|
|((str[i+2] & 0x3f) << 0);
|
|
i += 3;
|
|
} else if ((str[i] & 0xc0) == 0xc0 && !(str[i] & 0x20)) {
|
|
val = ((str[i+0] & 0x1f) << 6)
|
|
|((str[i+1] & 0x3f) << 0);
|
|
i += 2;
|
|
} else {
|
|
val = str[i] & 0x7f;
|
|
i += 1;
|
|
}
|
|
ret[j] = val;
|
|
}
|
|
ret[j] = L'\0';
|
|
return ret;
|
|
}
|
|
|
|
gsize
|
|
fu_ucs2_strlen (const guint16 *str, gssize limit)
|
|
{
|
|
gssize i;
|
|
for (i = 0; i < (limit >= 0 ? limit : i + 1) && str[i] != L'\0'; i++);
|
|
return i;
|
|
}
|