Return the full C function matching a searchkeyword.

cfunc.sh

#!/usr/bin/env bash

# Show the full c-fuction matching a keyword name
#

# Usage check
if [[ -z "$1" || -z "$2" ]]; then
    echo "Usage: $0 <function_name> <file.c>"
    exit 1
fi

func_name="$1"
file="$2"

# Use awk to find the function and print until braces balance
awk -v fn="$func_name" '
$0 ~ ("\\<" fn "\\>[[:space:]]*\\(") {
    in_func = 1
    brace_count = 0
}

in_func {
    print
    for (i = 1; i <= length($0); i++) {
        c = substr($0, i, 1)
        if (c == "{") brace_count++
        if (c == "}") brace_count--
    }
    if (brace_count == 0 && found_open) {
        exit
    }
    if (brace_count > 0) found_open = 1
}
' "$file"   

alias ps='ps axwwu'
alias apt='apt  --no-install-recommends'
alias youbest="yt-dlp -f bestvideo+bestaudio --remux-video mkv"
alias randpass="openssl rand -base64 24"
# This might be needed for firefox wayland
export MOZ_ENABLE_WAYLAND=1
#alias yousub="yt-dlp -f bestvideo+bestaudio  --write-subs --sub-lang en  --convert-subs=srt --remux-video mkv"
alias yousub="yt-dlp -c -f bestvideo+bestaudio  --write-subs --sub-lang en  --convert-subs=srt" 
alias grimit='grim -g "$(slurp)" grim-$(date +%Y-%m-%d_%H-%m-%s).png'

alias antlr4="java -jar ~/Projects/PyBDFValidate/antlr4.jar"
alias df="df -h -T -x tmpfs -x squashfs"

export COLORTERM=24bit
export TERM=xterm-256color

##echo "]0;$$"
printf '\e]0;%s\x07' "${TTY:=$(tty)} :  $$"
function sine_wave() {

	i=0
	while true
	do
		SIN=$(python3 -c "from math import *;print map( lambda x: ceil(6*sin((x+$i)*pi/5)), range($(tput cols)) )" | tr -d '[]' | spark)
		echo -ne $SIN\\r
		let i=i+1
		sleep 0.05
	done
	echo
}

function dusize() {
	find . -type f -name "${1}" -exec du -ch "{}" +
}

function ix() { curl -n -F 'f:1=<-' http://ix.io; }
#transset -i ${WINDOWID} 0.98
# ladspa forgets to set the path on install
export LADSPA_PATH=/usr/lib/ladspa
export XDG_RUNTIME_DIR="/run/user/1000"
export LANG="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"
export LC_CTYPE="en_US.UTF-8"
export LC_TIME="en_GB.UTF-8"
export LC_MEASUREMENT=metric
export LLAMACPP_API_KEY=noop
export OLLAMA_API_KEY=noop
export LMSTUDIO_API_KEY=noop

#alwaysmodmap.sh&  # repeatedly xmodmap


PATH="/home/plab/perl5/bin${PATH:+:${PATH}}"; export PATH;
PERL5LIB="/home/plab/perl5/lib/perl5${PERL5LIB:+:${PERL5LIB}}"; export PERL5LIB;
PERL_LOCAL_LIB_ROOT="/home/plab/perl5${PERL_LOCAL_LIB_ROOT:+:${PERL_LOCAL_LIB_ROOT}}"; export PERL_LOCAL_LIB_ROOT;
PERL_MB_OPT="--install_base \"/home/plab/perl5\""; export PERL_MB_OPT;
PERL_MM_OPT="INSTALL_BASE=/home/plab/perl5"; export PERL_MM_OPT;

#fuck screenblanking
xset s off
xset s noblank
xset dpms 0

#cat ~/.fwiffo.ans
#cat ~/.us.txt
#cat ~/.braille.ans
#cat ~/.atglb

# export XDG_CONFIG_HOME="/home/plab/.config"
# test override local llama build export LD_LIBRARY_PATH=/pr/Neural/LLM/llama.cpp/build/bin:$LD_LIBRARY_PATH
xmodmap ~/.Xmodmap&
brightnessctl s 40 
cfunc() {
    local func_name="$1"
    local file="$2"

    if [[ -z "$func_name" || -z "$file" ]]; then
        echo "Usage: cfunc <function_name> <file.c>"
        return 1
    fi

    # Use awk to find the function and print until braces balance
    awk -v fn="$func_name" '
    # Match function header: handles "type name(", "type *name(", etc.
    # It looks for the function name followed by an opening parenthesis
    $0 ~ ("\\<" fn "\\>[[:space:]]*\\(") {
        in_func = 1
        brace_count = 0
    }

    in_func {
        print
        # Count opening and closing braces in the line
        for (i = 1; i <= length($0); i++) {
            c = substr($0, i, 1)
            if (c == "{") brace_count++
            if (c == "}") brace_count--
        }
        # If we opened at least one brace and count returns to 0, we are done
        if (brace_count == 0 && found_open) {
            exit
        }
        if (brace_count > 0) found_open = 1
    }
    ' "$file"
}