From b01485b3da39592ac0903ef0bd42be0e4b889824 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?T=C3=B3th=20J=C3=A1nos?= <gomba007@gmail.com>
Date: Mon, 4 Nov 2024 09:14:44 +0100
Subject: [PATCH] Move `is_conky_already_running()` to src/linux.cc.

---
 src/linux.cc | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/linux.h  |  2 ++
 src/main.cc  | 50 +++++++-------------------------------------------
 3 files changed, 51 insertions(+), 43 deletions(-)

diff --git a/src/linux.cc b/src/linux.cc
index 5a2a822f7..24bc40506 100644
--- a/src/linux.cc
+++ b/src/linux.cc
@@ -3147,3 +3147,45 @@ void get_top_info(void) {
   calc_io_each(); /* percentage of I/O for each task */
 #endif            /* BUILD_IOSTATS */
 }
+
+/******************************************
+ * Check if more than one conky process   *
+ * is running                             *
+ ******************************************/
+
+bool is_conky_already_running(void) {
+  DIR *dir;
+  struct dirent *ent;
+  char buf[512];
+  int instances = 0;
+
+  if (!(dir = opendir("/proc"))) {
+    NORM_ERR("can't open /proc: %s\n", strerror(errno));
+    return false;
+  }
+
+  while ((ent = readdir(dir)) != NULL) {
+    char *endptr = ent->d_name;
+    long lpid = strtol(ent->d_name, &endptr, 10);
+    if (*endptr != '\0') {
+      continue;
+    }
+
+    snprintf(buf, sizeof(buf), "/proc/%ld/stat", lpid);
+    FILE *fp = fopen(buf, "r");
+    if (!fp) {
+      continue;
+    }
+
+    if (fgets(buf, sizeof(buf), fp) != NULL) {
+      char *conky = strstr(buf, "(conky)");
+      if (conky) {
+        instances++;
+      }
+    }
+    fclose(fp);
+  }
+
+  closedir(dir);
+  return instances > 1;
+}
diff --git a/src/linux.h b/src/linux.h
index 91027f233..f5b9f4097 100644
--- a/src/linux.h
+++ b/src/linux.h
@@ -58,6 +58,8 @@ int update_stat(void);
 
 void print_distribution(struct text_object *, char *, unsigned int);
 
+bool is_conky_already_running(void);
+
 extern char e_iface[64];
 extern char interfaces_arr[MAX_NET_INTERFACES][64];
 
diff --git a/src/main.cc b/src/main.cc
index cdbc24437..327ef59fd 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -36,8 +36,6 @@
 #include "display-output.hh"
 #include "lua-config.hh"
 
-#include <dirent.h>
-
 #ifdef BUILD_X11
 #include "x11.h"
 #endif /* BUILD_X11 */
@@ -46,6 +44,10 @@
 #include "ccurl_thread.h"
 #endif /* BUILD_CURL */
 
+#if defined(__linux__)
+#include "linux.h"
+#endif /* Linux */
+
 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
 #include "freebsd.h"
 #endif /* FreeBSD */
@@ -271,49 +273,11 @@ static void print_help(const char *prog_name) {
          " (and quit)\n"
          "   -p, --pause=SECS          pause for SECS seconds at startup "
          "before doing anything\n"
-         "   -U, --unique              only one conky process can be created\n",
-         prog_name);
-}
-
 #if defined(__linux__)
-// NOTE: Only works on systems where there is a /proc/[pid]/stat file.
-static bool is_conky_already_running() {
-  DIR *dir;
-  struct dirent *ent;
-  char buf[512];
-  int instances = 0;
-
-  if (!(dir = opendir("/proc"))) {
-    NORM_ERR("can't open /proc: %s\n", strerror(errno));
-    return false;
-  }
-
-  while ((ent = readdir(dir)) != NULL) {
-    char *endptr = ent->d_name;
-    long lpid = strtol(ent->d_name, &endptr, 10);
-    if (*endptr != '\0') {
-      continue;
-    }
-
-    snprintf(buf, sizeof(buf), "/proc/%ld/stat", lpid);
-    FILE *fp = fopen(buf, "r");
-    if (!fp) {
-      continue;
-    }
-
-    if (fgets(buf, sizeof(buf), fp) != NULL) {
-      char *conky = strstr(buf, "(conky)");
-      if (conky) {
-        instances++;
-      }
-    }
-    fclose(fp);
-  }
-
-  closedir(dir);
-  return instances > 1;
-}
+         "   -U, --unique              only one conky process can be created\n"
 #endif /* Linux */
+         , prog_name);
+}
 
 inline void reset_optind() {
 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \