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matroska: rejig test to avoid undefined shift behavior

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Coverity 1195121, 1195120
This commit is contained in:
Vincent Penquerc'h 2014-05-05 14:41:05 +01:00
parent 1da2fd457d
commit ec38c62563
1 changed files with 2 additions and 2 deletions
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4
gst/matroska/ebml-write.c
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@ -349,7 +349,7 @@ gst_ebml_write_element_size (guint8 ** data_inout, guint64 size)
if (size != GST_EBML_SIZE_UNKNOWN) { if (size != GST_EBML_SIZE_UNKNOWN) {
/* how many bytes? - use mask-1 because an all-1 bitset is not allowed */ /* how many bytes? - use mask-1 because an all-1 bitset is not allowed */
while ((size >> ((bytes - 1) * 8)) >= (mask - 1) && bytes <= 8) { while (bytes <= 8 && (size >> ((bytes - 1) * 8)) >= (mask - 1)) {
mask >>= 1; mask >>= 1;
bytes++; bytes++;
} }
@ -530,7 +530,7 @@ gst_ebml_write_get_uint_size (guint64 num)
guint size = 1; guint size = 1;
/* get size */ /* get size */
while (num >= (G_GINT64_CONSTANT (1) << (size * 8)) && size < 8) { while (size < 8 && num >= (G_GINT64_CONSTANT (1) << (size * 8))) {
size++; size++;
} }