1 files changed, 7 insertions, 50 deletions
diff --git a/src/packages.c b/src/packages.c
index e89eb82..3505815 100644
--- a/src/packages.c
+++ b/src/packages.c
@@ -1,65 +1,22 @@
 #include "packages.h"
+#include "common.h"
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#if defined(__linux__)
 #include <unistd.h>
 
-#if defined(__linux__)
 #include "distro.h"
-
-/*const char *distroname;*/
 #endif
 
-const char *run_package_command(const char *command) {
-  char buf[64];
-  char *out = NULL;
-  size_t outsize = 0;
-
-  FILE *p = popen(command, "r");
-  if (!p) {
-    fprintf(stderr, "パッケージコマンドを実効に失敗: %s", command);
-    return NULL;
-  }
-
-  while (fgets(buf, sizeof(buf), p) != NULL) {
-    buf[strcspn(buf, "\n")] = '\0';
-
-    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 display_packages() {
+const char *display_packages() {
 #if defined(__OpenBSD__) || defined(__NetBSD__)
-  printf("%s (pkg_info)", run_package_command("pkg_info -a | wc -l | "
-         "sed \"s/ //g\""));
+  return run_command_s("pkg_info -a | wc -l | sed \"s/ //g\"");
 #elif defined(__FreeBSD__) || defined(__DragonFly__)
-  printf("%s (pkg)", run_package_command("pkg info -a | wc -l | "
-         "sed \"s/ //g\""));
+  return run_command_s("pkg info -a | wc -l | sed \"s/ //g\"");
 #elif defined(__linux__)
   if (access("/bin/xbps-query", F_OK) != -1) {
-    printf("%s (xbps-query)", run_package_command("xbps-query -l | wc -l | "
-           "sed \"s/ //g\""));
+    return run_command_s("xbps-query -l | wc -l | sed \"s/ //g\"");
   } else if (access("/usr/bin/dpkg-query", F_OK) != -1) {
-    printf("%s (dpkg)", run_package_command("dpkg-query -f '.\n' -W | wc -l | "
-           "sed \"s/ //g\""));
+    return run_command_s("dpkg-query -f '.\n' -W | wc -l | sed \"s/ //g\"");
   }
 #endif
 }