最初コミット

.gitignore

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+farfetch
+*.core

CHANGELOG.md

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+# 0.0.1
+* 開始

LICENSE.txt

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+Copyright © 2004-2011 by Internet Systems Consortium, Inc. ("ISC")
+Copyright © 2018-2024 by 076.moe
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD
+TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.

Makefile

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+UNAME_S != uname -s
+UNAME_M != uname -m
+
+NAME != cat main.c | grep "const char \*sofname" | awk '{print $$5}' | \
+	sed "s/\"//g" | sed "s/;//"
+VERSION != cat main.c | grep "const char \*version" | awk '{print $$5}' | \
+	sed "s/\"//g" | sed "s/;//"
+PREFIX = /usr/local
+.if ${UNAME_S} == "Linux"
+PREFIX = /usr
+.endif
+
+MANPREFIX = ${PREFIX}/share/man
+
+.if ${UNAME_S} == "OpenBSD"
+MANPREFIX = ${PREFIX}/man
+.endif
+
+CC = cc
+FILES = main.c src/*.c
+CFLAGS = -Wall -Wextra -O3 -I${PREFIX}/include -L${PREFIX}/lib
+.if ${UNAME_S} == "NetBSD"
+CFLAGS += -I/usr/pkg/include -L/usr/pkg/lib -I/usr/include -L/usr/lib
+.endif
+LDFLAGS = 
+
+all:
+	${CC} ${CFLAGS} -o ${NAME} ${FILES} ${LDFLAGS}
+	strip ${NAME}
+
+clean:
+	rm -f ${NAME}
+
+dist: clean
+	mkdir -p dist
+	mkdir -p ${NAME}-${VERSION}
+	cp -R LICENSE.txt Makefile README.md CHANGELOG.md \
+		${NAME}-completion.zsh ${NAME}.1 main.c src ${NAME}-${VERSION}
+	tar zcfv dist/${NAME}-${VERSION}.tar.gz ${NAME}-${VERSION}
+	rm -rf ${NAME}-${VERSION}
+
+depend:
+	${DEPS}
+
+release-openbsd:
+	mkdir -p release
+	${CC} ${CFLAGS} -o release/${NAME}-${VERSION}-openbsd-${UNAME_M} ${FILES} \
+		-static ${LDFLAGS} -lc
+	strip release/${NAME}-${VERSION}-openbsd-${UNAME_M}
+
+release-freebsd:
+	mkdir -p release
+	${CC} ${CFLAGS} -o release/${NAME}-${VERSION}-freebsd-${UNAME_M} ${FILES} \
+		-static ${LDFLAGS} -lc
+	strip release/${NAME}-${VERSION}-freebsd-${UNAME_M}
+
+release-netbsd:
+	mkdir -p release
+	export LD_LIBRARY_PATH=/usr/pkg/lib:/usr/local/lib:$LD_LIBRARY_PATH
+	${CC} ${CFLAGS} -o release/${NAME}-${VERSION}-netbsd-${UNAME_M} ${FILES} \
+		-static ${LDFLAGS} -lc
+	strip release/${NAME}-${VERSION}-netbsd-${UNAME_M}
+
+release-linux:
+	mkdir -p release
+	${CC} ${CFLAGS} -o release/${NAME}-${VERSION}-linux-${UNAME_M} ${FILES} \
+		-static ${LDFLAGS} -lc
+	strip release/${NAME}-${VERSION}-linux-${UNAME_M}
+
+install: all
+	mkdir -p ${DESTDIR}${PREFIX}/bin
+	cp -f ${NAME} ${DESTDIR}${PREFIX}/bin
+	chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME}
+	mkdir -p ${DESTDIR}${MANPREFIX}/man1
+	sed "s/VERSION/${VERSION}/g" < ${NAME}.1 > ${DESTDIR}${MANPREFIX}/man1/${NAME}.1
+	chmod 644 ${DESTDIR}${MANPREFIX}/man1/${NAME}.1
+
+uninstall:
+	rm -f ${DESTDIR}${PREFIX}/bin/${NAME}
+
+.PHONY: all clean dist install uninstall

README.md

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+# farfetch
+
+## インストールする方法 | Installation
+### CRUX
+```sh
+doas prt-get bmake
+bmake
+doas bmake install
+```
+
+### Artix
+```sh
+doas pacman -S base-devel bmake
+bmake
+doas bmake install
+```
+
+### OpenBSD
+```sh
+make
+doas make install
+```
+
+### FreeBSD
+```sh
+make
+doas make install
+```

farfetch.conf

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+logo "default"
+show cpu
+hide gpu

main.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "src/user.h"
+#include "src/os.h"
+#include "src/host.h"
+#if defined(__linux__)
+#include "src/distro.h"
+#endif
+
+const char *sofname = "farfetch";
+const char *version = "0.0.1";
+
+int main() {
+  display_user_name();
+  printf("@");
+  display_user_host();
+  puts("------------------");
+
+  printf("OS: ");
+  display_os_name();
+  printf(" ");
+  display_os_vers();
+  printf(" ");
+  display_os_arch();
+  printf("\n");
+
+  printf("Host: ");
+  display_host_model();
+  printf("\n");
+
+#if defined(__linux__)
+  printf("Distro: ");
+  display_distro();
+  printf("\n");
+#endif
+
+  // TODO:
+  // * ロゴ
+  // * カーネル(LinuxとIllumosのみ)
+  // * 起動時間
+  // * パッケージ
+  // * libc
+  // * シェル
+  // * 解像度
+  // * 端末
+  // * CPU
+  // * GPU
+  // * メモリー
+  // * ストレージ
+  return 0;
+}

src/distro.c

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+#if defined(__linux__)
+#include "distro.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <unistd.h>
+
+void display_distro() {
+  char buf[64];
+  const char *cmd;
+
+  if (access("/bedrock/etc/bedrock-release", F_OK) != -1) {
+    cmd = "cat /bedrock/etc/bedrock-release";
+  } else if (access("/etc/redstar-release", F_OK) != -1) {
+    cmd = "echo \"Red Star OS\" && cat /etc/redstar-release | awk -F'[^0-9]' '$0=$2'";
+  } else if (access("/etc/siduction-version", F_OK) != -1) {
+    cmd = "echo \"Siduction\" && lsb_release -sic";
+  } else if (access("/etc/mcst_version", F_OK) != -1) {
+    cmd = "echo \"OS Elbrus\" && cat /etc/mcst_version";
+  } else if (access("/etc/GoboLinuxVersion", F_OK) != -1) {
+    cmd = "echo \"GoboLinux\" && cat /etc/GoboLinuxVersion";
+  } else if (access("/etc/os-release", F_OK) != -1) {
+    cmd = "cat /etc/os-release";
+  } else if (access("/usr/lib/os-release", F_OK) != -1) {
+    cmd = "cat /usr/lib/os-release";
+  } else if (access("/etc/openwrt_release", F_OK) != -1) {
+    cmd = "cat /etc/openwrt_release";
+  } else if (access("/etc/lsb-release", F_OK) != -1) {
+    cmd = "cat /etc/lsb-release";
+  } else {
+    perror("不明なディストリビューション。");
+  }
+
+  FILE *p = popen(cmd, "r");
+  if (!p) {
+    fprintf(stderr, "ディストロを見つけられるコマンドを実効に失敗: %s", cmd);
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}
+#endif

src/distro.h

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+#if defined(__linux__)
+#ifndef DISTRO_H
+#define DISTRO_H
+
+void display_distro();
+
+#endif
+#endif

src/host.c

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+#include "host.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#if defined(__linux__)
+#include <unistd.h>
+#elif defined(__APPLE__)
+#include <stdlib.h>
+#endif
+
+void run_command(const char *command) {
+  char buf[64];
+
+  FILE *p = popen(command, "r");
+  if (!p) {
+    fprintf(stderr, "ホストコマンドを実効に失敗: %s", command);
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}
+
+void display_host_model() {
+#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__minix)
+  run_command("sysctl -n hw.vendor hw.product");
+#elif defined(__sun)
+  run_command("prtconf -b | awk -F':' '/banner-name/ {printf $2}'");
+#elif defined(__linux__)
+  const char *cmd1, *cmd2;
+  if (access("/system/app/", F_OK) != -1) {
+    cmd1 = "getprop ro.product.brand";
+    cmd2 = "getprop ro.product.model";
+  } else if (
+      access("/sys/devices/virtual/dmi/id/product_name", F_OK) != -1 ||
+      access("/sys/devices/virtual/dmi/id/product_version", F_OK) != 1
+  ) {
+    cmd1 = "cat /sys/devices/virtual/dmi/id/product_name";
+    cmd2 = "cat /sys/devices/virtual/dmi/id/product_version";
+  } else if (access("/sys/firmware/base/model", F_OK) != -1) {
+    cmd1 = "cat /sys/firmware/devicetree/base/model";
+  } else if (access("/tmp/sysinfo/model", F_OK) != 1) {
+    cmd1 = "cat /tmp/sysinfo/model";
+  }
+
+  if (!cmd1) {
+    printf("Unknown");
+  } else {
+    run_command(cmd1);
+  }
+
+  if (cmd2) {
+    printf(" ");
+    run_command(cmd2);
+  }
+#elif defined(__APPLE__)
+  run_command("sysctl -n hw.model");
+
+  FILE *p = popen("kextstat | grep -F -e \"FakeSMC\" -e \"VirtualSMC\"", "r");
+  if (!p) {
+    fprintf(stderr, "ホストコマンドを実効に失敗");
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+#endif
+}

src/host.h

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+#ifndef HOST_H
+#define HOST_H
+
+void display_host_model();
+
+#endif

src/os.c

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+#include "os.h"
+
+#include <stdio.h>
+#include <string.h>
+
+void display_os_name() {
+  char buf[64];
+  FILE *p = popen("uname -s", "r");
+  if (!p) {
+    fprintf(stderr, "「uname」コマンドを実効に失敗");
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}
+
+void display_os_vers() {
+  char buf[16];
+  FILE *p = popen("uname -r", "r");
+  if (!p) {
+    fprintf(stderr, "「uname」コマンドを実効に失敗");
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}
+
+void display_os_arch() {
+  char buf[16];
+  FILE *p = popen("uname -m", "r");
+  if (!p) {
+    fprintf(stderr, "「uname」コマンドを実効に失敗");
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}

src/os.h

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+#ifndef OS_H
+#define OS_H
+
+void display_os_name();
+void display_os_vers();
+void display_os_arch();
+
+#endif

src/user.c

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+#include "user.h"
+
+#include <stdio.h>
+#include <string.h>
+
+void display_user_name() {
+  char buf[128];
+  FILE *p = popen("whoami", "r");
+  if (!p) {
+    fprintf(stderr, "「whoami」コマンドを実効に失敗");
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}
+
+void display_user_host() {
+  char buf[64];
+  const char *filename;
+#ifdef __OpenBSD__
+  filename = "/etc/myname";
+#else
+  filename = "/etc/hostname";
+#endif
+  FILE *f = fopen(filename, "r");
+  if (!f) {
+    snprintf(buf, sizeof(buf), "「%s」を見つけられません。", filename);
+    perror(buf);
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), f) != NULL) {
+    printf("%s", buf);
+  }
+
+  /* char hostname[128]; */
+  /* int cnt = 0; */
+  /* for (int i = 0; i < 128; i++) { */
+  /*   unsigned char key; */
+  /*   fread(&key, sizeof(key), 1, f); */
+  /*   hostname[i] = key; */
+  /*   cnt += 1; */
+  /* } */
+
+  /* hostname[cnt] = '\0'; */
+  fclose(f);
+}

src/user.h

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+#ifndef USER_H
+#define USER_H
+
+void display_user_name();
+void display_user_host();
+
+#endif