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2020-01-13acme: factor out tag parsing codeRuss Cox3-21/+28
2020-01-13mk: treat X= as empty list in rc shellRuss Cox1-6/+12
This brings mk's behavior when using rc in line with Plan 9's. The existing code is for Unix environment data structures but also was assuming Unix shell semantics where empty and missing variables are mostly equivalent. The Plan 9 code (/sys/src/cmd/mk/plan9.c in the distribution) explicitly removes /env/name (creating an empty list) when the value is missing or an empty string. Fixes #255.
2020-01-13acme: fix crash in X |cat with multiple windowsRuss Cox1-5/+24
Fixes #9. Fixes #219. Fixes #222. Fixes #330.
2020-01-13vac, unvac: allow 128MB cache size, up from 4MBRuss Cox2-2/+2
When a directory has lots of children, vac crashes because it runs out of cache. Fixes #266.
2020-01-139pfuse: do not fswalk("..")Russ Cox1-12/+5
f is open, so walk will fail. The comments say we only need one directory anyway. Fixes #277.
2020-01-13cmd/9pfuse: ignore FMODE_EXEC open flagNicola Girardi1-2/+11
Improved error message in case of unexpected open flags. The message unexpected open flags requested=0100040 unhandled=040 prompted me to clear the FMODE_EXEC flag, although I wonder if I shouldn't have set OEXEC (0x3) instead.
2020-01-13clock: import from plan 9Russ Cox1-0/+104
Fixes #250.
2020-01-13devdraw: AUTOFRAMEWORK CoreFoundation on macOSRuss Cox1-0/+1
Fixes #273.
2020-01-13devdraw: x11 working againRuss Cox14-2340/+1844
Need to think a bit more about locking, but overall it's a working devdraw. Multiclient mode may not be working but nothing is using it yet.
2020-01-13devdraw: multiclient modeRuss Cox3-42/+115
2020-01-13cmapcube: don't crash on initdraw failureRuss Cox1-1/+2
2020-01-13devdraw: more cleanup, clearer lockingRuss Cox8-313/+329
2020-01-13devdraw: refactor, clean up mac screenRuss Cox7-505/+492
Also turn mac-srv.c into a generic srv.c, so we can remove the duplication with x11-srv.c.
2020-01-13devdraw: move per-window globals in mac-screen.m into ClientRuss Cox3-62/+81
2020-01-13devdraw: move Client into devdraw.h and move global state inRuss Cox10-464/+470
2020-01-13devdraw: use consistent mac-* prefix on macOS filesRuss Cox12-200/+6
We were using osx- and cocoa- but it's not even OS X anymore.
2020-01-13devdraw: can use libthread directly now on macOSRuss Cox5-79/+13
2020-01-13devdraw: simplify mac file namesRuss Cox4-98/+5
Now that we only have Metal, we can drop the -metal. Also now that Carbon is gone we can drop the macargv.c, and then the -objc from object file names.
2020-01-13devdraw: drop pre-metal macOS supportRuss Cox3-1688/+5
We didn't start using Metal until macOS 10.14, but it was available on 10.13, which is currently the oldest Apple-supported version of macOS. Simplify by deleting the old code.
2020-01-13devdraw: update drawclient test program to run againRuss Cox2-9/+8
2020-01-13cmd/yacc: correctly detect end of file in gettokNeven Sajko1-0/+2
This prevents an infinite loop. Change-Id: I7eda6b9d032ca0daeb24b555954330d07f35c78b
2020-01-13cmd/yacc: check that arg is safe to pass to <ctype.h> isX functionsNeven Sajko1-5/+14
The functions from <ctype.h> require that their argument be representable as an unsigned char, anything else is an error. Change-Id: I9dafc49c431b7a2550b041603f27bac3c0010eea
2020-01-13cmd/yacc: check for EOF in string constant in cpyactNeven Sajko1-1/+1
Change-Id: I3b41ab3f181080bcff89201d30f0bdf8aa20d55c
2020-01-13cmd/yacc: do not create an out of bounds pointerNeven Sajko1-1/+2
An out of bounds pointer/array index being created is an error in standard C. Updates #313 Change-Id: I7108fcde1a8e03017e9ab852adb737940489c827
2020-01-13fontsrv: allow x11 hinting and disable autohint only (#254)Xiao-Yong1-1/+1
Some truetype fonts have good manual hinting. Ignoring hinting makes the font render badly on low resolution screens. This commit only disables the freetype autohinter, and allows hinting.
2020-01-13Make venti's doc more accurateEdouard Klein1-1/+1
2020-01-13cmd/venti/srv: split memory allocation callNeven Sajko1-2/+2
This splits a certain vtmallocz call in mkihash into two vtmallocz calls. The first issue this fixes is that the C aliasing rules were not respected in the code before this commit. The other thing is that this enables better memory alignment guarantees. Updates #313 Change-Id: Ia4f3e0fc85facc778193f5e977d4f99a1a9abd23
2020-01-12all: fix or silence various gcc warningsRuss Cox14-14/+17
As usual, gcc finds some real problems but also reports a ton of noise. Fix the problems and quiet the noise.
2020-01-10Trivial changes: whitespace and modes.Dan Cross700-4966/+4647
Remote whitespace at the ends of lines. Remove blank lines from the ends of files. Change modes on source files so that they are not executable. Signed-off-by: Dan Cross <cross@gajendra.net>
2020-01-08mk: plan9 style.Dan Cross1-7/+8
In general, no space after `if` etc, and no braces for a single statement inside of a loop or conditional. Signed-off-by: Dan Cross <cross@gajendra.net>
2020-01-07mk: fix out of bounds accessNeven Sajko1-7/+21
A loop is added for each structure field instead of accessing the other fields through the first one in one loop. Updates #313 Change-Id: I0e27e15feacb77391bc1decee7cf720d64d14586
2020-01-079term: add a "look" menu item (#299)Fazlul Shahriar3-0/+32
Add a menu item which functions similar to acme's `Look` command. This is copied from 9front. See: https://code.9front.org/hg/plan9front/rev/1f1596dbca51 https://code.9front.org/hg/plan9front/rev/d2de1d2f7b48
2020-01-02cmd/htmlroff: fix buffer overflow in t2.c getqargNeven Sajko1-1/+1
This is actually from 2016: https://plan9port-review.googlesource.com/c/plan9/+/1590 Change-Id: I6f2a3d71a9dd589eff7ab15b3c1d3997254b3c35
2020-01-02ls: check that pointer is not nil before calling qsortNeven Sajko1-1/+1
Passing a null pointer to qsort is an error in C (GCC and Clang agree with the standards there, so this is no joke). Change-Id: Ia2b015793a75ea4e85ae8f47da6beead9c4290e6
2020-01-02acme: do not pass null pointers where disallowedNeven Sajko2-1/+4
The C standards disallow passing null pointers to memmove and memcmp. Change-Id: I1c88c2adbc32a23ef742f206038b8f7c4e0540c7
2020-01-02cmd/rc: fix declarations of some externally linked variablesNeven Sajko2-3/+2
Change-Id: If8fe1afecb9fe55f85e8e5af37521b83e787d718
2020-01-02cb: fix a null pointer dereferenceNeven Sajko1-3/+3
Just added a pair of parentheses. I also ran cb on cb.c to beautify the code. This is actually on Gerrit from 2016: https://plan9port-review.googlesource.com/c/plan9/+/1574 Change-Id: I5e234adba0f95c13d6eecb121bf11bba4bf54566
2019-12-19sam: report close errorRuss Cox3-1/+9
2019-12-19acme: report close failure during PutRuss Cox1-2/+6
2019-12-10ed: formatting tweak (remove redundant tab). (#301)Marc Simpson1-1/+1
2019-12-08page: fix pdf prolog for ghostscript >= 9.27 (#296)Fazlul Shahriar2-4/+2
Ghostscript 9.27 removed GS_PDF_ProcSet and pdfdict due to a security issue (see https://security-tracker.debian.org/tracker/CVE-2019-3839). This fix was contributed by @onyxperidot (see #279). Fixes #279
2019-12-08ed: replace magic number (077776, i.e. 32766) with NBLK-1. (#300)Marc Simpson1-1/+1
Temp file size is now declared in an enum; changing it from the default introduces a subtle bug in putline(), which expects it to be 32767. Mask with NBLK-1 instead.
2019-11-14page: fix hang for forward-only postscript filesFazlul Shahriar2-1/+7
Page was hanging because ghostscript never closes the fd from which we're reading BMP data. We close our end of the pipe so that ghostscript will close its end. Tested with ghostscript version 9.50. Fixes #124
2019-10-29plumber: add -f (foreground) option (#288)Jason Felice3-4/+11
In MacOS, services run by launchd must run in the foreground, since launchd manages forking and other resources.
2019-10-29awk: split record into runes for empty FS (#292)Fazlul Shahriar1-4/+9
awk was splitting records into bytes instead of runes for empty FS. For example, this was printing only the first byte of the utf-8 encoding of é: echo é | awk 'BEGIN{FS=""}{print $1}' The change just copies how the `split` function handles runes. Originally reported by kris on twitter: https://twitter.com/p9luv/status/1180436083433201665
2019-09-19hoc: don't nest calls to follow() when lexing ++/+= and --/-= (#287)deepcube1-2/+2
The code had a nested use of the follow() function that could cause +=+ and -=- to register as ++ and --. The first follow() to execute could consume a character and match and then the second follow() could consume another character and match. For example i-=-10 would result in a syntax error and i-=- would decrement i.
2019-09-19upas/nfs: fix null date when message is sent to plumber (#263)telephil1-1/+1
When fetching, messages are sent to plumber as soon as the ENVELOPE part is read. The date field of the message is sent when the INTERNALDATE part is read and there is no guarantee that this will be read before the ENVELOPE. This bug can be observed when using faces(1) which will retrieve messages with a null date and then always display a 'Jan 1' date instead of the correct one. The fix is to simply send the message to plumber after having read all parts, thus ensuring the message is complete.
2019-09-19plumber: fix EOF detection on writes to rules file (#257)Fazlul Shahriar1-3/+3
Instead of checking Fcall.data==nil, check Fcall.count==0. The former check always fails after `gcc -O2` optimizations (gcc version 8.3.0). Also fix an out-of-bound read detected by valgrind: ``` ==31162== Invalid read of size 1 ==31162== at 0x11005E: morerules (rules.c:739) ==31162== by 0x110254: writerules (rules.c:775) ==31162== by 0x10D2FE: fsyswrite (fsys.c:848) ==31162== by 0x10C304: fsysproc (fsys.c:248) ==31162== by 0x112E8C: threadstart (thread.c:96) ==31162== by 0x4A682BF: ??? (in /usr/lib/libc-2.29.so) ==31162== Address 0x4ea984a is 0 bytes after a block of size 250 alloc'd ==31162== at 0x483AD7B: realloc (vg_replace_malloc.c:826) ==31162== by 0x1196F3: p9realloc (malloc.c:53) ==31162== by 0x10BDFD: erealloc (plumber.c:124) ==31162== by 0x10FCD9: concat (rules.c:642) ==31162== by 0x10FCD9: concat (rules.c:635) ==31162== by 0x110230: writerules (rules.c:773) ==31162== by 0x10D2FE: fsyswrite (fsys.c:848) ==31162== by 0x10C304: fsysproc (fsys.c:248) ==31162== by 0x112E8C: threadstart (thread.c:96) ==31162== by 0x4A682BF: ??? (in /usr/lib/libc-2.29.so) ``` Fixes #256
2019-09-19auxstats: replace /proc ACPI calls with /sys ones (#245)Zach Scott1-22/+8
According to <https://askubuntu.com/a/309146>, use of `/proc/acpi` to get battery usage is deprecated. This commit replaces the two files from this API with the single file `/sys/class/power_supply/BAT0/capacity`, simultaneously removing the need to calculate battery percentage.
2019-06-19devdraw: cocoa metal screen adds a delayed update (#270)Xiao-Yong1-0/+7
The immediate display of the screen sometimes miss the update from the CPU side memory. No obvious synchronization mechanism is available. In order to make sure the screen updates properly, we set needsDisplay again after 16ms delay to ensure a second screen update.
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