float point exception in printLong function in tags_int.cpp

[92wyunchao]

POC:
fpe_poc.zip

gdb --args ./exiv2 -pt ~/fpe_poc

Program received signal SIGFPE, Arithmetic exception.
0xb7e0c1a2 in Exiv2::Internal::printLong (os=..., value=...) at /home/rookie/exiv2-master/src/tags_int.cpp:2197
2197 if (r.second != 0) return os << static_cast(r.first) / r.second;
(gdb) bt
#0 0xb7e0c1a2 in Exiv2::Internal::printLong (os=..., value=...) at /home/rookie/exiv2-master/src/tags_int.cpp:2197
#1 0xb7c18f93 in Exiv2::Exifdatum::write (this=0x80d5878, os=..., pMetadata=) at /home/rookie/exiv2-master/src/exif.cpp:227
#2 0xb7c92723 in Exiv2::Metadatum::print (this=, pMetadata=0x80cbcb0) at /home/rookie/exiv2-master/src/metadatum.cpp:74
#3 0x080831ec in Action::Print::printMetadatum (this=, md=..., pImage=) at /home/rookie/exiv2-master/src/actions.cpp:745
#4 0x0807ff5c in Action::Print::printMetadata (this=, image=) at /home/rookie/exiv2-master/src/actions.cpp:542
#5 0x0807e113 in Action::Print::printList (this=0x80cbb20) at /home/rookie/exiv2-master/src/actions.cpp:531
#6 0x08070c67 in Action::Print::run (this=0x80cbb20, path="/home/rookie/fpe_poc") at /home/rookie/exiv2-master/src/actions.cpp:248
#7 0x0804dd9b in main (argc=, argv=) at /home/rookie/exiv2-master/src/exiv2.cpp:172

[piponazo]

Thanks for reporting. I could not reproduce the issue on master ... could you give more details about the platform, exiv2 version/commit used, compilation settings, etc ?