v3.1.12

What's Changed

• Fix FD_SET overflow when socket fd >= FD_SETSIZE.
• Check dest pointer not null and nb in read functions.
• NULL check for src and nb < 1 validation in write functions.
• modbus_reply: don't compute address for FC 0x07/0x11.
• Use O_NONBLOCK instead of deprecated O_NDELAY (closes #710).
• Explicit cast for Coverity CID 416366.
• Document required buffer size of modbus_receive.
• Document macros for error codes corresponding to Modbus exceptions (#758).
• Fix example of modbus_rtu_set_serial_mode (closes #552).
• Test filesystem provides symlink in autogen.sh (closes #414).
• Sync API signatures with the documentation.
• Many documentation fixes and typo corrections.
• Add coverage target and helper script.

New Contributors

• @kyllingstad made their first contribution in #758

Full Changelog: v3.1.11...v3.1.12