src/maxminddb.c:370:27: error: comparison of integer expressions of different signedness

[robert-scheck]

Building libmaxminddb 1.14.0 on Fedora Rawhide (becoming Fedora 46), building on 32 bit Intel/AMD ("i686") fails like this:

not ok 1 - -DMAXIMUM_DATA_STRUCTURE_DEPTH=1000 compiles without warnings
#   Failed test '-DMAXIMUM_DATA_STRUCTURE_DEPTH=1000 compiles without warnings'
#   at ./decoder_limits_t.pl line 70.
#          got: '1'
#     expected: '0'
# /builddir/build/BUILD/libmaxminddb-1.14.0-build/libmaxminddb-1.14.0/src/maxminddb.c: In function ‘MMDB_open’:
# /builddir/build/BUILD/libmaxminddb-1.14.0-build/libmaxminddb-1.14.0/src/maxminddb.c:370:27: error: comparison of integer expressions of different signedness: ‘ssize_t’ {aka ‘int’} and ‘unsigned int’ [-Werror=sign-compare]
#   370 |     if (data_section_size > UINT32_MAX || data_section_size <= 0) {
#       |                           ^
# cc1: all warnings being treated as errors
not ok 2 - -DMAXIMUM_DATA_STRUCTURE_VALUES=1000000 compiles without warnings
#   Failed test '-DMAXIMUM_DATA_STRUCTURE_VALUES=1000000 compiles without warnings'
#   at ./decoder_limits_t.pl line 70.
#          got: '1'
#     expected: '0'
# /builddir/build/BUILD/libmaxminddb-1.14.0-build/libmaxminddb-1.14.0/src/maxminddb.c: In function ‘MMDB_open’:
# /builddir/build/BUILD/libmaxminddb-1.14.0-build/libmaxminddb-1.14.0/src/maxminddb.c:370:27: error: comparison of integer expressions of different signedness: ‘ssize_t’ {aka ‘int’} and ‘unsigned int’ [-Werror=sign-compare]
#   370 |     if (data_section_size > UINT32_MAX || data_section_size <= 0) {
#       |                           ^
# cc1: all warnings being treated as errors