diff options
Diffstat (limited to 'fxbarcode/oned/BC_OnedUPCAWriter.cpp')
| -rw-r--r-- | fxbarcode/oned/BC_OnedUPCAWriter.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fxbarcode/oned/BC_OnedUPCAWriter.cpp b/fxbarcode/oned/BC_OnedUPCAWriter.cpp index 87b68d364f..5782fe4e1a 100644 --- a/fxbarcode/oned/BC_OnedUPCAWriter.cpp +++ b/fxbarcode/oned/BC_OnedUPCAWriter.cpp @@ -70,17 +70,17 @@ int32_t CBC_OnedUPCAWriter::CalcChecksum(const CFX_ByteString& contents) { int32_t odd = 0; int32_t even = 0; FX_STRSIZE j = 1; - for (FX_STRSIZE i = contents.GetLength() - 1; i >= 0; i--) { + for (FX_STRSIZE i = contents.GetLength(); i > 0; i--) { if (j % 2) { - odd += FXSYS_atoi(contents.Mid(i, 1).c_str()); + odd += FXSYS_atoi(contents.Mid(i - 1, 1).c_str()); } else { - even += FXSYS_atoi(contents.Mid(i, 1).c_str()); + even += FXSYS_atoi(contents.Mid(i - 1, 1).c_str()); } j++; } int32_t checksum = (odd * 3 + even) % 10; checksum = (10 - checksum) % 10; - return (checksum); + return checksum; } uint8_t* CBC_OnedUPCAWriter::EncodeWithHint(const CFX_ByteString& contents, |