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Remove #if and inline most functions
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of pci.ids is hard-coded to /usr/share/misc/pci.ids, as found on Debian/Ubuntu).
+88 lines in two files, including reformatting, comments, whitespace,
and build configuration as well as new code.
The changes:
-Add library code to look up descriptions.
-Add a counter for -n (for the sake of -nn)
-Add the file stream "db" to GLOBALS and open it conditionally
-Add name fields to bufs
-Look up text if enabled and -n is passed never or twice
-Print text if lookup succeeded
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This supports '-l' option for listing and other options [-bCHS] for giving
values like block size, Cylinders, Heads,...
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Kernel build never uses -w sans -E anyhow.
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This also has a fix for boundary condition crash.
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Currently it supports -emkn; -e is an extension ("class" is a 24-bit number,
but lspci only shows 16 bits; one person on the Puppy forums mentioned
that they need those last 8 bits).
-n is a no-op for compatability with standard lspci.
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Mostly outdated comments and unused function parameters/struct members.
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display_ifconfig(), inline another magic constant #define that's only used once.
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free/reuse bug during argument parsing.
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Because we only use XZ_DYNALLOC, there's a bunch of dead code.
This patch removes the #ifdef's and if()s associated with support for
multiple modes.
single_call was only used to store the mode; it is no longer needed.
A little bit of reorganization was needed to reduce the number of prototypes.
Documentation associated with dead code was dropped.
There are still some relics of multiple modes in the continued presence
of "XZ_DYNALLOC" and xz_mode.
Additionally, I inlined xz_dec_bcj_create; it was called once.
This loses about 125 lines, mostly comments.
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The functions involved were called only once.
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Move ftname out of GLOBALS into 'F' handler. Make 'i' zero pad output (zeroes
in middle of ID can get lost).
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lib: rename format_mode() to mode_to_string() (echoing string_to_mode), make it
take a normal char * argument.
stat: collapse big switch/case statements that only have one line each
into if/else staircase (much fewer lines of code). Remove return type
(other stat implementations print ? for unknown escapes, so do that here).
Inline do_stat() and do_statfs(). Set default string in normal local
variable "format". Remove unnecessary struct d. Restructure stat logic to
"if (flagf && !statfs()) else if (!flagf && !stat()) else perror_msg();"
Teach %N to add -> symlink. Judicious use of putchar() instead of xputc to
let FILE * do its job collating output.
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Put global stat info in a union so we don't have to malloc it and thus don't need an explicit size tracked in main(). Make date_stat_format() take a timespec and take advantage of stat having an embedded timespec (nanosecond printing), typecast the long long prints for XYZ because on some 32 bit platforms it's an int.
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From the mailing list:
Ok, first thing: clean up the help text. I realize what's there is copied verbatim from the man page, but that man page sucks. ("modification time" vs "change time"?) Took a bit of finagling to fit it in 80x24, but just made it.
GLOBALS() indent was still tab, change to two spaces. And I tend to put a blank line between options lib/args.c automatically fills out and normal globals.
We never do anything with date_stat_format() but immediately print it, might as well make the function do it.
The types[] array in do_stat() is a rough edge. Hmmm... there's no else case that sets the type in case it was unknown (such as 0). In theory, this never happens. In practice it means I can cheat slightly, given this observation:
$ find linux -name stat.h | xargs grep 'S_IF[A-Z]*[ \t]'
linux/include/uapi/linux/stat.h:#define S_IFMT 00170000
linux/include/uapi/linux/stat.h:#define S_IFSOCK 0140000
linux/include/uapi/linux/stat.h:#define S_IFLNK 0120000
linux/include/uapi/linux/stat.h:#define S_IFREG 0100000
linux/include/uapi/linux/stat.h:#define S_IFBLK 0060000
linux/include/uapi/linux/stat.h:#define S_IFDIR 0040000
linux/include/uapi/linux/stat.h:#define S_IFCHR 0020000
linux/include/uapi/linux/stat.h:#define S_IFIFO 0010000
I.E. the only place the I_IFBLAH constants occur a stat.h header in current linux code is in the generic stuff, it doesn't vary per target. (The access permission bits are actually subtly standardized in posix due to the command line arguments to chmod, although I'm sure cygwin finds a way to break. But the type fields, not so much. But linux has to be binary compatible with itself foreverish, and that's all I really care about.)
So, we have ALMOST have this going by twos, except there's no 8 and there is a 1. so let's make the 1 the default, feed a blank string into the 8... No, duh: octal. So it's actually 2, 4, 6, 8, 10, 12. So make the loop look like:
filetype = statf->st_mode & S_IFMT;
TT.ftname = types;
for (i = 1; filetype != (i*8192) && i < 7; i++)
TT.ftname += strlen(TT.ftname)+1;
Yes that's linux-specific, and I think I'm ok with that.
Printing all zeroes and pretending that's nanosecond resolution... either support it or don't. Let's see, supporting it is stat->st_atim.tv_nsec and similar... no mention of nanoseconds in strftime() (et tu, posix2008?) so pass it as a second argument and append it by hand... (Need to test that against musl...)
When we hit an unknown type in print_it() we print the literal character, which is right for %% but what about an unknown option?
$ stat -c %q /
?
Eh, I guess that's a "don't care". It didn't die with an error, that's the important thing.
I have a horrible idea for compressing the switch/case blocks, but should probably check this in and get some sleep for right now...
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set_hw_address().
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