warning: integer overflow in expression of type ‘long int’ results in ‘0’

okbob / pspg

Unix pager (with very rich functionality) designed for work with tables. Designed for PostgreSQL, but MySQL is supported too. Works well with pgcli too. Can be used as CSV or TSV viewer too. It supports searching, selecting rows, columns, or block and export selected area to clipboard.

BSD 2-Clause "Simplified" License

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This warning on i386 (32-bit) Debian looks relevant:

16:02:22 src/table.c: In function ‘cut_numeric_value’:
16:02:22 src/table.c:1788:30: warning: integer overflow in expression of type ‘long int’ results in ‘0’ [-Woverflow]
16:02:22      mp = 1024l * 1024 * 1024 * 1024;
16:02:22                               ^
16:02:22 src/table.c:1800:30: warning: integer overflow in expression of type ‘long int’ results in ‘0’ [-Woverflow]
16:02:22      mp = 1024l * 1024 * 1024 * 1024;
16:02:22                               ^

sizeof(long) is only 4 bytes on 32-bit architectures.

okbob / pspg

warning: integer overflow in expression of type ‘long int’ results in ‘0’ #231