fuzztest.sh: added

programs

@@ -40,6 +40,7 @@ pipewire-pulse
 #
 # utility
 #
+dosfstools
 which
 dnsutils
 
@@ -64,6 +65,7 @@ nmap
 remmina
 python-pynvim
 xorg-xinput
+xorg-xbacklight
 neofetch
 cloc
 
@@ -100,6 +102,8 @@ bash-language-server
 vscode-css-languageserver
 adwaita-color-schemes
 lxappearance
+radare2
+gdb
 
 # .local/bin/calcpy/ script
 ipython

src/.config/nvim/init.vim

@@ -19,16 +19,24 @@ set showtabline=0
 " performance?
 set lazyredraw nocursorline ttyfast
 
-" use system clipboard instead of internal
-set clipboard=unnamedplus
-" when using c or s, do not overwrite clipboard
-nnoremap c "-c
-vnoremap c "-c
-nnoremap s "-s
-vnoremap s "-s
-
 let mapleader = ","
 
+" " use system clipboard instead of internal
+" set clipboard=unnamedplus
+" " when using c or s, do not overwrite clipboard
+" nnoremap c "-c
+" vnoremap c "-c
+" nnoremap s "-s
+" vnoremap s "-s
+
+" easier binds to use system clipboard with
+nnoremap <leader>cy "+yy
+vnoremap <leader>cy "+y
+vnoremap <leader>cd "+d
+nnoremap <leader>cd "+dd
+nnoremap <leader>cp "+p
+nnoremap <leader>cP "+P
+
 set shell=/bin/sh
 
 hi Search cterm=NONE ctermfg=white ctermbg=blue

src/.config/nvim/ultisnips.vim

@@ -3,7 +3,7 @@
 if has('python3') && ($SYSTEM_PROFILE == "DEFAULT" || $SYSTEM_PROFILE == "SLIM")
 	Plug 'SirVer/ultisnips'
 	let g:UltiSnipsExpandTrigger="<c-m>"
-	let g:UltiSnipsJumpForwardTrigger="<c-m>"
+	let g:UltiSnipsJumpForwardTrigger="<c-l>"
 	let g:UltiSnipsJumpBackwardTrigger="<c-b>"
 	let g:UltiSnipsSnippetDirectories=[$HOME.'/.config/nvim/ultisnips/']
 endif

src/.local/bin/fuzztest.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+# cobbled together testing script for competitive programming
+
+set -e
+
+if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then
+	echo "usage: fuzztest.sh [test generator] [known-good] [to-test]"
+	echo
+	echo "test generator: prints a random test case to stdout"
+	echo "known-good: reads from stdin, prints to stdout"
+	echo "to-test: behaviour will be compared to known-good"
+	echo
+	echo "to use python programs here, add a python shebang and chmod +x"
+	exit
+fi
+
+if [ -z "$FUZZDIR" ]; then
+	FUZZDIR=~/.cache/fuzztester
+fi
+mkdir -p "$FUZZDIR"
+
+while true; do
+	$1 > "$FUZZDIR"/input
+	wc -c "$FUZZDIR"/input
+	cat "$FUZZDIR"/input | $3 > "$FUZZDIR"/faulty
+	cat "$FUZZDIR"/input | $2 > "$FUZZDIR"/good
+
+	RES="$(diff "$FUZZDIR"/faulty "$FUZZDIR"/good || true)"
+	if [ ! -z "$RES" ]; then
+		printf "\n\n\n-----------\n"
+		echo failed test case detected!
+		echo
+		echo the known-good and to-test programs differed in output.
+		echo
+		echo stdin: "$FUZZDIR"/input
+		echo faulty output: "$FUZZDIR"/faulty
+		echo good output: "$FUZZDIR"/good
+		break
+	else
+		echo good
+	fi
+done