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| author | Paul Eggert <eggert@cs.ucla.edu> | 2013-01-19 14:33:29 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2013-01-19 14:33:29 -0800 |
| commit | d7a0a7c9bddcf0b5005c392d5f00702d26cc5b9c (patch) | |
| tree | 1373e1191aeae638ce6b62ac90b6c2dcdbf04dba /src | |
| parent | dd4d3d3a52ef79721f40363e87c725327c2a155b (diff) | |
| download | emacs-d7a0a7c9bddcf0b5005c392d5f00702d26cc5b9c.tar.gz | |
* lisp.h (eabs): Define unconditionally.
The old "#if !defined (eabs)" was an unnecessary revenant of back
when this macro was called "abs". Document 'eabs' better.
Fixes: debbugs:13419
Diffstat (limited to 'src')
| -rw-r--r-- | src/ChangeLog | 6 | ||||
| -rw-r--r-- | src/lisp.h | 9 |
2 files changed, 10 insertions, 5 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index eb393c93c4a..1383b12ed68 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,9 @@ +2013-01-19 Paul Eggert <eggert@cs.ucla.edu> + + * lisp.h (eabs): Define unconditionally (Bug#13419). + The old "#if !defined (eabs)" was an unnecessary revenant of back + when this macro was called "abs". Document 'eabs' better. + 2013-01-19 Glenn Morris <rgm@gnu.org> * fns.c (Frandom): Doc fix. diff --git a/src/lisp.h b/src/lisp.h index 48fba653203..faf4b1b8edd 100644 --- a/src/lisp.h +++ b/src/lisp.h @@ -3711,12 +3711,11 @@ extern char *egetenv (const char *); /* Set up the name of the machine we're running on. */ extern void init_system_name (void); -/* We used to use `abs', but that clashes with system headers on some - platforms, and using a name reserved by Standard C is a bad idea - anyway. */ -#if !defined (eabs) +/* Return the absolute value of X. X should be a signed integer + expression without side effects, and X's absolute value should not + exceed the maximum for its promoted type. This is called 'eabs' + because 'abs' is reserved by the C standard. */ #define eabs(x) ((x) < 0 ? -(x) : (x)) -#endif /* Return a fixnum or float, depending on whether VAL fits in a Lisp fixnum. */ |