HP aC++/HP C A.06.25 Programmer's Guide

+wlint
This option enables several warnings in the compiler that provide lint like functionality.
Checks are made for memory leaks, out-of-scope memory access, null pointer
dereference, and out-of-bounds access. These compile time diagnostics can be very
useful in detecting potential problems in the source code. To disable a specific warning
introduced by +wlint, a +Wargs option can be used after the +wlint option.
NOTE: The +wlint option is only supported on Itanium-based systems.
+Wmacro
+Wmacro:MACRONAME:d1,d2,...,dn
The +Wmacro option disables warning diagnostics d1,d2,...,dn in the expansion
of macro MACRONAME. If -1 is given as the warning number, then all warnings are
suppressed. This option is not applicable to warning numbers greater than 20000.
+Wmacro gets higher priority than the other diagnostic-control command-line options
that are applicable to the whole source. Diagnostic control pragmas take priority based
on where they are placed.
+wperfadvice
+wperfadvice[={1|2|3|4}]
The +wperfadvice option enables performance advisory messages.
The optional level 1, 2, 3,or 4 controls how verbosely the performance advisory messages
are emitted. The higher the level, the more messages generated. Level 1 emits only the
most important messages, while level 4 emits all the messages.
If the optional level is not specified, it defaults to 2.
+wsecurity
The +wsecurity option enables compile-time diagnostics for potential security
violations. Warnings are emitted for cases where untrusted (tainted) data may reach
a critical reference point in the program. This is based on cross-module analysis
performed by the compiler. Hence the +wsecurity option implicitly enables a limited
form of cross-module analysis, even if -ipo or +O4 options are not specified. This may
lead to a significant increase in the compile time compared to a build without the
+wsecurity option. Using this option may result in the compiler invoking
optimizations other than those that are part of the user-specified optimization level. If
+wsecurity is used in addition to -ipo or +O4, the generated code is not affected
and the compile time does not significantly increase.
This option can optionally take an argument to control how verbosely the security
messages are emitted:
+wsecurity[={1|2|3|4}]
Error Handling 51