解像度の追加

main.c

@@ -12,6 +12,7 @@
 #include "src/recording.h"
 #endif
 #include "src/packages.h"
+#include "src/resolution.h"
 #include "src/cpu.h"
 #include "src/gpu.h"
 #include "src/memory.h"
@@ -105,10 +106,12 @@ size_t logosize = 11;
   lc++;
 
 #if defined(__linux__)
-  printf("%s ", LOGO[lc]);
-  printf("%s%s%s"RESET, color, "Distro", ": ");
-  printf("%s\n", display_distro());
-  lc++;
+  if (display_distro() != NULL) {
+    printf("%s ", LOGO[lc]);
+    printf("%s%s%s"RESET, color, "Distro", ": ");
+    printf("%s\n", display_distro());
+    lc++;
+  }
 #endif
 
   printf("%s ", LOGO[lc]);
@@ -142,6 +145,13 @@ size_t logosize = 11;
   printf("\n");
   lc++;
 
+  if (display_resolution()) {
+    printf("%s ", LOGO[lc]);
+    printf("%s%s%s"RESET, color, "Resolution", ": ");
+    printf("%s\n", display_resolution());
+    lc++;
+  }
+
   printf("%s ", LOGO[lc]);
   printf("%s%s%s"RESET, color, "CPU", ": ");
   display_cpu();
@@ -166,13 +176,9 @@ size_t logosize = 11;
   }
 
   // TODO:
-  // * ロゴ
-  // * パッケージ
   // * libc
   // * シェル
-  // * 解像度
   // * 端末
-  // * GPU
   // * ストレージ
 
   return 0;

src/logo/colors.h

@@ -2,9 +2,9 @@
 #define LOGO_COLORS_H
 
 #if defined(__OpenBSD__) || defined(__linux__)
-#define MIN_SIZE 11
+#define MIN_SIZE 12
 #else
-#define MIN_SIZE 10
+#define MIN_SIZE 11
 #endif
 
 #define LOGO_SIZE 24

src/resolution.c

@@ -0,0 +1,48 @@
+#include "gpu.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+const char *run_res_command(const char *command) {
+  char buf[128];
+  char *out = NULL;
+  size_t outsize = 0;
+
+  FILE *p = popen(command, "r");
+  if (!p) {
+    fprintf(stderr, "解像度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;
+}
+
+const char *display_resolution() {
+  return run_res_command("xrandr --nograb --current | "
+                         "awk -F 'connected |\\\\+|\\\\(' '/ "
+                         "connected.*[0-9]+x[0-9]+\\+/ && $2 {printf $2 "
+                         "\", \"}' | sed 's/primary //' | sed 's/,//'");
+}

src/resolution.h

@@ -0,0 +1,6 @@
+#ifndef RESOLUTION_H
+#define RESOLUTION_H
+
+const char *display_resolution();
+
+#endif