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/* See LICENSE file for copyright and license details. */
#include "common.h"
int
libparsepcf_get_property_subtable(const char *file, size_t size,
const struct libparsepcf_table *table,
const struct libparsepcf_properties *meta,
struct libparsepcf_property_subtable *props,
size_t first, size_t count)
{
int msb = table->format & LIBPARSEPCF_BYTE;
size_t pos = table->offset + 8 + first * 9;
size_t i, off, maxlen;
(void) size;
for (i = 0; i < count; i++, pos += 9) {
off = (size_t)PARSE_UINT32(&file[pos + 0], msb);
if (off > meta->strings_size)
goto ebfont;
maxlen = meta->strings_size - off;
props[i].name = &meta->strings[off];
if (!memchr(props[i].name, 0, maxlen))
goto ebfont;
props[i].is_string_property = !!file[pos + 4];
if (props[i].is_string_property) {
off = (size_t)PARSE_UINT32(&file[pos + 5], msb);
if (off > meta->strings_size)
goto ebfont;
maxlen = meta->strings_size - off;
props[i].value.string_value = &meta->strings[off];
if (!memchr(props[i].value.string_value, 0, maxlen))
goto ebfont;
} else {
props[i].value.signed_value = PARSE_INT32(&file[pos + 5], msb);
}
}
return 0;
ebfont:
errno = EBFONT;
return -1;
}
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