From e8b7158d34bda940b31fca56c2c97b586d6ee937 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=AB=8F=E8=A8=AA=E5=AD=90?= <suwako@076.moe>
Date: Wed, 19 Jun 2024 19:57:33 +0900
Subject: =?UTF-8?q?Linux:=20=E3=83=87=E3=82=A3=E3=82=B9=E3=83=88=E3=83=AD?=
 =?UTF-8?q?=E3=81=AE=E3=83=AD=E3=82=B4=E3=81=AE=E8=A1=A8=E7=A4=BA?=
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---
 main.c           |  6 +++---
 src/distro.c     | 34 +++++++++++++++++++++++++++++-----
 src/distro.h     |  3 ++-
 src/logo/linux.c |  5 +++--
 4 files changed, 37 insertions(+), 11 deletions(-)

diff --git a/main.c b/main.c
index 11d5f9f..b6e7531 100644
--- a/main.c
+++ b/main.c
@@ -35,6 +35,7 @@ int main(int argc, char *argv[]) {
 #include "src/logo/freebsd.h"
   getOS();
 #elif defined(__linux__)
+  get_distro();
 #include "src/logo/linux.h"
   getDistro(distroname);
 #else
@@ -102,9 +103,8 @@ int main(int argc, char *argv[]) {
 
 #if defined(__linux__)
   printf("%s ", LOGO[lc]);
-  printf(COLOR"%s%s"RESET, "Distro", ": ");
-  display_distro();
-  printf("\n");
+  printf("%s%s%s"RESET, color, "Distro", ": ");
+  printf("%s\n", display_distro());
   lc++;
 #endif
 
diff --git a/src/distro.c b/src/distro.c
index f39d1ea..784b76e 100644
--- a/src/distro.c
+++ b/src/distro.c
@@ -2,13 +2,17 @@
 #include "distro.h"
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
 const char *distroname;
 
-void display_distro() {
+const char *display_distro() {
   char buf[1288];
+  char *out = NULL;
+  size_t outsize = 0;
+
   const char *cmd = NULL;
 
   if (access("/bedrock/etc/bedrock-release", F_OK) != -1) {
@@ -45,14 +49,36 @@ void display_distro() {
   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;
+    return NULL;
   }
 
   while (fgets(buf, sizeof(buf), p) != NULL) {
     buf[strcspn(buf, "\n")] = '\0';
-    printf("%s", buf);
+
+    size_t len = strlen(buf);
+    char *nout = realloc(out, outsize + len + 1);
+    if (nout == NULL) {
+      perror("メモリの役割に失敗");
+      free(out);
+      pclose(p);
+      return NULL;
+    }
+
+    out = nout;
+
+    memccpy(out + outsize, buf, sizeof(buf), len);
+    outsize += len;
+    out[outsize] = '\0';
   }
 
+  pclose(p);
+
+  return out;
+}
+
+void get_distro() {
+  const char *buf = display_distro();
+
   if (strstr(buf, "Devuan") != NULL) distroname = "devuan";
   else if (strstr(buf, "Void Linux") != NULL) distroname = "void";
   else if (strstr(buf, "Debian") != NULL) distroname = "debian";
@@ -60,7 +86,5 @@ void display_distro() {
   else if (strstr(buf, "Artix Linux") != NULL) distroname = "artix";
   else if (strstr(buf, "CRUX") != NULL) distroname = "crux";
   else distroname = "linux";
-
-  pclose(p);
 }
 #endif
diff --git a/src/distro.h b/src/distro.h
index 3897338..3dc6eb3 100644
--- a/src/distro.h
+++ b/src/distro.h
@@ -2,7 +2,8 @@
 #ifndef DISTRO_H
 #define DISTRO_H
 
-void display_distro();
+const char *display_distro();
+void get_distro();
 
 extern const char *distroname;
 
diff --git a/src/logo/linux.c b/src/logo/linux.c
index 1f16959..8d13740 100644
--- a/src/logo/linux.c
+++ b/src/logo/linux.c
@@ -1,6 +1,7 @@
 #if defined(__linux__)
 #include "linux.h"
 
+#include <stdio.h>
 #include <string.h>
 
 char *LOGO[23];
@@ -213,8 +214,8 @@ void getDistro(const char *distroname) {
     LOGO[14] = MAGENTA "   `'''`                           " RESET;
     LOGO[15] = MAGENTA "                                   " RESET;
     LOGO[16] = MAGENTA "                                   " RESET;
-    LOGO[17] = MA8ENTA "                                   " RESET;
-    for (int i = 19; i < 23; i++) {
+    LOGO[17] = MAGENTA "                                   " RESET;
+    for (int i = 18; i < 23; i++) {
       LOGO[i]  = MAGENTA "                                           " RESET;
     }
 
-- 
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