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Diffstat (limited to '')
-rw-r--r-- | lib/libesg/types.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/libesg/types.c b/lib/libesg/types.c new file mode 100644 index 0000000..51f1cbd --- /dev/null +++ b/lib/libesg/types.c @@ -0,0 +1,37 @@ +/* + * ESG parser + * + * Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include <libesg/types.h> + +uint8_t vluimsbf8(uint8_t *buffer, uint32_t size, uint32_t *length) { + uint8_t offset = 0; + *length = 0; + + do { + if (size < offset) { + offset = 0; + *length = 0; + break; + } + *length = (*length << 7) + (buffer[offset] & 0x7F); + } while (buffer[offset++] & 0x80); + + return offset; +} |