Q48790: Potential Problems with Identifiers Over 31 Characters

Article: Q48790
Product(s): See article
Version(s): 5.00 5.10 | 5.10
Operating System(s): MS-DOS | OS/2
Keyword(s): ENDUSER | S_QuickC S_QuicKASM | mspl13_c
Last Modified: 16-JAN-1990

The #define statement in Microsoft C accepts identifiers up to 31
characters. The compiler truncates identifiers over 31 characters, and
on warning level 1 or greater, produces the following warning message:

   warning C4011: identifier truncated to '<truncated identifier>'

This can cause potential problems if two or more identifiers are
identical up to the 31st character. If this is the case, the following
warning message appears for each additional #define that is identical
when truncated (on warning levels 1 or greater):

   warning C4005: '<truncated identifier>' : redefinition

All of these identifiers are assigned the value of the last identifier
that was identical when truncated.

This information also applies to QuickC Versions 1.01, 2.00, 2.01 and
QuickAssembler Version 2.01.

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