diff options
| author | Elliott Hughes <enh@google.com> | 2019-11-22 12:48:35 -0800 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2019-11-23 09:57:24 -0600 |
| commit | e028208e53fb94c7c6c2873a116f680e234784ec (patch) | |
| tree | 98ef0fe2cbcf392fe28847f9596aa8f6a41592a1 /lib/portability.h | |
| parent | 41dd4878451806ff3b27b9739fc77c0d34037883 (diff) | |
| download | toybox-e028208e53fb94c7c6c2873a116f680e234784ec.tar.gz | |
Fix dev_minor()/dev_major()/dev_makedev() for Mac.
Major/minor device encoding is not portable. No two BSDs agree with
each other, and Darwin is different again.
Everyone does agree on having major()/minor()/makedev() macros, but
they disagree whether they should be in <sys/types.h> (the BSDs
including Darwin, and old versions of glibc) or <sys/sysmacros.h>
(glibc >= 2.26 and bionic).
This fixes `ls -l /dev/zero` and `stat /dev/zero` on Mac.
Diffstat (limited to 'lib/portability.h')
| -rw-r--r-- | lib/portability.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/portability.h b/lib/portability.h index 481e3f04..24cd1297 100644 --- a/lib/portability.h +++ b/lib/portability.h @@ -350,3 +350,8 @@ struct signame { char *name; }; void xsignal_all_killers(void *handler); + +// Different OSes encode major/minor device numbers differently. +int dev_minor(int dev); +int dev_major(int dev); +int dev_makedev(int major, int minor); |