1 files changed, 4 insertions, 49 deletions
diff --git a/src/os.c b/src/os.c
index 4662acd..e1c15f4 100644
--- a/src/os.c
+++ b/src/os.c
@@ -1,52 +1,7 @@
 #include "os.h"
+#include "common.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);
+const char *display_os() {
+  return run_command_s("uname -s && echo \" \" && uname -r && "
+                       "echo \" \" && uname -m");
 }