imaami

#include <limits.h>
#include <stddef.h>
#include <stdint.h>

#define popcnt(x) (size_t)({\
        typeof (_Generic(x,  \
      int32_t: (uint32_t)1,   \
      int64_t: (uint64_t)1,    \
     uint32_t: (uint32_t)1,     \
     uint64_t: (uint64_t)1))y=x; \

imaami

/* Compile with "gcc -std=c23 -mbmi2 -mlzcnt" (gcc-14)
 *           or "gcc -std=c2x -mbmi2 -mlzcnt" (gcc-13)
 */
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <immintrin.h>

static void
bitpr (uint64_t n)

imaami

// Behavior of gcc-14 and clang-19 diverge on this.
// Compile with -std=gnu23.
#include <stdio.h>

int main(void) {
	printf("%s\n", _Generic(
		(struct{_BitInt(8) x : 2;}){}.x,
		_BitInt(2): "gcc", _BitInt(8): "clang"));
}

imaami

#include <stddef.h>
#include <stdio.h>

#define options(X)                                       \
	X('h', "help",      "",     "print this help")   \
	X('s', "segfault",  "",     "commit sudoku")     \
	X('d', "directory", "DIR",  "touch a directory") \
	X('u', "uid-of",    "NAME", "print a user ID")

#ifdef __clang__

imaami

/* SPDX-License-Identifier: GPL-2.0-or-later */
/**
 * @file stringy_check.c
 * @author Juuso Alasuutari
 *
 * @brief Parse the raw content bytes of text strings as if the strings were
 *        arbitrarily large integers, and check if the result is a different
 *        prime number in both the big- and little-endian byte orders.
 *
 * I call the group of primes generated by this method "stringy primes"; run

imaami

/* SPDX-License-Identifier: GPL-2.0-or-later */
/** @file dstr.c
 *
 * @author Juuso Alasuutari
 */
#include <errno.h>

#include "dstr.h"

/**

imaami

#!/usr/bin/env bash
#
# IMPORTANT: The HTTP authorization header must be found
#            in ~/.openai in full, not just the API key.
#
# Usage: ./bashplainer.sh /path/to/file.sh
#
# Requirements: dos2unix, jq, curl
#

imaami

#!/usr/bin/env bash
#
# IMPORTANT: The HTTP authorization header must be found
#            in ~/.openai in full, not just the API key.
#
# Usage: ./documentarist.sh [options] /path/to/file.c
#
# Requirements: dos2unix, cpp, clang-format, jq, curl
#

imaami

#!/usr/bin/env bash
#
# Usage (_only_ if you really know what you're doing):
#   etc_hosts_dig.sh >> /etc/hosts

# expand this list as needed
declare -a hosts_list=(
	api.openai.com
	auth0.openai.com
	cdn.openai.com

imaami

# /etc/udev/rules.d/99-xdm.rules

# Create a dev-dri-card0.device unit for xdm.service to wait on.
SUBSYSTEM=="drm", KERNEL=="card0", TAG+="systemd"