[Hamlib-developer] [Hamlib/Hamlib] 0ddc6b: Fix MinGW64/MSYS2 w/GCC 15.1 warning

[Nate B. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/Hamlib/Hamlib
  Commit: 0ddc6bc8f41e597ba4c21df5256d6970c3d3ee6b
      https://github.com/Hamlib/Hamlib/commit/0ddc6bc8f41e597ba4c21df5256d6970c3d3ee6b
  Author: Nate Bargmann <n0...@n0...>
  Date:   2025-06-24 (Tue, 24 Jun 2025)

  Changed paths:
    M src/rig.c

  Log Message:
  -----------
  Fix MinGW64/MSYS2 w/GCC 15.1 warning

As reported by Steve, VK3SIR on the mailing list:

On compilation, through a fully up-to-date MinGW64/MSYS2 environment, we receive the following warnings:

....
make[3]: Entering directory '/home/sir/src/hamlib/build/src'
  CC       rig.lo
../../src/src/rig.c: In function 'rig_init':
../../src/src/rig.c:624:45: warning: unknown conversion type character 'z' in format [-Wformat=]
  624 |     rig_debug(RIG_DEBUG_TRACE, "Requesting %zd bytes for rig_struct\n", needed);
      |                                             ^
../../src/src/rig.c:624:32: warning: too many arguments for format [-Wformat-extra-args]
  624 |     rig_debug(RIG_DEBUG_TRACE, "Requesting %zd bytes for rig_struct\n", needed);
      |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../src/src/rig.c:657:45: warning: unknown conversion type character 'z' in format [-Wformat=]
  657 |     rig_debug(RIG_DEBUG_TRACE, "Requesting %zd bytes for rig_cache\n", needed);
      |                                             ^
../../src/src/rig.c:657:32: warning: too many arguments for format [-Wformat-extra-args]
  657 |     rig_debug(RIG_DEBUG_TRACE, "Requesting %zd bytes for rig_cache\n", needed);
      |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  CC       serial.lo
....

The '%z' modifier is also found in rigs/icom/icom.c but with a 'u'
conversion specifier.  Turns out that since 'needed' in this function is
of type 'size_t' which is an unsigned integer so the 'u' is required.



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