non-critical impact:

wcslen - incompatible return value on error (NcWn34)

Problem description

The Tru64 UNIX and HP-UX error return values for this routine are incompatible.

The wcslen routine finds the length of a wide-character string. On Tru64 UNIX, when passed a NULL pointer, wcslen returns -1 cast to size_t. On HP-UX, for the same situation, wcslen returns 0 cast to size_t.

Identifiers

wcslen

See also

• Background information on internationalization and localization impacts
• wcslen(3)

Solution description

Review applicable references pages and code.

If your code checks for NULL pointers, you must modify your code to check for the correct return code. Otherwise, your application might show unexpected behavior.

See also

• wcslen(3C)
• Migrating I18N and L10N Applications and Data from Tru64 UNIX to HP-UX
• Tru64 UNIX to HP-UX 11i Porting Guide

Problem summary