diff options
Diffstat (limited to 'sparse.1')
| -rw-r--r-- | sparse.1 | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -101,6 +101,18 @@ Sparse issues these warnings by default. To turn them off, use \fB\-Wno\-cast\-truncate\fR. . .TP +.B \-Wconstant\-suffix +Warn if an integer constant is larger than the maximum representable value +of the type indicated by its type suffix (if any). For example, on a +system where ints are 32-bit and longs 64-bit, the constant \fB0x100000000U\fR +is larger than can be represented by an \fBunsigned int\fR but fits in an +\fBunsigned long\fR. So its type is \fBunsigned long\fR but this is not +indicated by its suffix. In this case, the warning could be suppressed by +using the suffix \fBUL\fR: \fB0x100000000UL\fR. + +Sparse does not issue these warnings by default. +. +.TP .B \-Wconstexpr-not-const Warn if a non-constant expression is encountered when really expecting a constant expression instead. |