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This adds SPDX license headers to all source files in pseudo so license
identification models current best practise.
Signed-off-by: Richard Purdie <email@example.com>
This allows the pseudo /etc/group to contain extremely long lines,
e.g. when a group has a lot of members. Without this, chown and
chgrp fail for group names that occur after such long lines.
Signed-off-by: Zoltán Böszörményi <firstname.lastname@example.org>
Signed-off-by: Seebs <email@example.com>
ports/darwin/guts/getgrouplist.c | 54 +++++++++++++++++++++++++++-----------
ports/linux/guts/getgrouplist.c | 54 +++++++++++++++++++++++++++-----------
ports/uids_generic/guts/getgrent.c | 26 +++++++++++++++---
ports/uids_generic/guts/getgrgid.c | 26 +++++++++++++++---
ports/uids_generic/guts/getgrnam.c | 25 +++++++++++++++---
5 files changed, 146 insertions(+), 39 deletions(-)
This is a moderately intrusive change. The basic overall effect:
Debugging messages are now controlled, not by a numeric "level",
but by a series of flags, which are expressed as a string of
letters. Each flag has a single-letter form used for string
specifications, a name, a description, a numeric value (1 through N),
and a flag value (which is 1 << the numeric value). (This does mean
that no flag has the value 1, so we only have 31 bits available.
Tiny violins play.)
The other significant change is that the pseudo_debug calls
are now implemented with a do/while macro containing a conditional,
so that computationally-expensive arguments are never evaluated
if the corresponding debug flags weren't set. The assumption is
that in the vast majority of cases (specifically, all of them
so far) the debug flags for a given call are a compile-time constant,
so the nested conditional will never actually show up in code
when compiled with optimization; we'll just see the appropriate
The VERBOSE flag is magical, in that if the VERBOSE flag is
used in a message, the debug flags have to have both VERBOSE and
at least one other flag for the call to be made.
This should dramatically improve performance for a lot of cases
without as much need for PSEUDO_NDEBUG, and improve the ability of
users to get coherent debugging output that means something and is
relevant to a given case.
It's also intended to set the stage for future development work
involving improving the clarity and legibility of pseudo's diagnostic
messages in general.
Old things which used numeric values for PSEUDO_DEBUG will sort
of continue to work, though they will almost always be less verbose
than they used to. There should probably be a pass through adding
"| PDBGF_CONSISTENCY" to a lot of the messages that are specific
to some other type.
This is a spiffied-up rebase of a bunch of intermediate changes, presented
as a whole because it is, surprisingly, less confusing that way. The basic
idea is to separate the guts code into categories ranging from generic
stuff that can be the same everywhere and specific variants. The big scary
one is the Darwin support, which actually seems to run okay on 64-bit OS X
10.6. (No other variants were tested.) The other example given is support
for the old clone() syscall on RHEL 4, which affects some wrlinux use cases.
There's a few minor cleanup bits here, such as a function with inconsistent
calling conventions, but nothing really exciting.