diff options
Diffstat (limited to 'lib/plum/binary_string.rb')
| -rw-r--r-- | lib/plum/binary_string.rb | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/plum/binary_string.rb b/lib/plum/binary_string.rb index 72b38b1..053be05 100644 --- a/lib/plum/binary_string.rb +++ b/lib/plum/binary_string.rb @@ -4,7 +4,7 @@ module Plum # Reads a 8-bit unsigned integer. # @param pos [Integer] The start position to read. def uint8(pos = 0) - byteslice(pos, 1).unpack("C")[0] + getbyte(pos) end # Reads a 16-bit unsigned integer. @@ -16,7 +16,8 @@ module Plum # Reads a 24-bit unsigned integer. # @param pos [Integer] The start position to read. def uint24(pos = 0) - (uint16(pos) << 8) | uint8(pos + 2) + a, b = byteslice(pos, 3).unpack("nC") + (a * 0x100) | b end # Reads a 32-bit unsigned integer. @@ -27,7 +28,7 @@ module Plum # Appends a 8-bit unsigned integer to this string. def push_uint8(val) - self << [val].pack("C") + self << val.chr end # Appends a 16-bit unsigned integer to this string. @@ -37,8 +38,7 @@ module Plum # Appends a 24-bit unsigned integer to this string. def push_uint24(val) - push_uint16(val >> 8) - push_uint8(val & ((1 << 8) - 1)) + self << [val / 0x100, val % 0x100].pack("nC") end # Appends a 32-bit unsigned integer to this string. |