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| author | Jörg Frings-Fürst <debian@jff.email> | 2024-03-03 19:11:32 +0100 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff.email> | 2024-03-03 19:11:32 +0100 |
| commit | 00893e79fc62966067af1a106567db96bd170338 (patch) | |
| tree | 52b35cd0b42ca28e62a2ffbecade2e13dd8332cf /lib/warn-on-use.h | |
| parent | 26112352a774737e1ce5580c93654a26c1e82b39 (diff) | |
New upstream version 1.2upstream/1.2
Diffstat (limited to 'lib/warn-on-use.h')
| -rw-r--r-- | lib/warn-on-use.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/warn-on-use.h b/lib/warn-on-use.h index 94f5b920..701013a0 100644 --- a/lib/warn-on-use.h +++ b/lib/warn-on-use.h @@ -1,5 +1,5 @@ /* A C macro for emitting warnings if a function is used. - Copyright (C) 2010-2022 Free Software Foundation, Inc. + Copyright (C) 2010-2024 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published @@ -32,6 +32,10 @@ _GL_WARN_ON_USE_ATTRIBUTE is for functions with 'static' or 'inline' linkage. + _GL_WARN_ON_USE should not be used more than once for a given function + in a given compilation unit (because this may generate a warning even + if the function is never called). + However, one of the reasons that a function is a portability trap is if it has the wrong signature. Declaring FUNCTION with a different signature in C is a compilation error, so this macro must use the |