smaller fixes

lib/cpu.js

@@ -14,7 +14,6 @@
 
 const os = require('os');
 const exec = require('child_process').exec;
-const execSync = require('child_process').execSync;
 const fs = require('fs');
 const util = require('./util');
 
@@ -320,11 +319,19 @@ function getCpu() {
           result.cache.l3 = util.getValue(lines, 'l3 cache');
           if (result.cache.l3) { result.cache.l3 = parseInt(result.cache.l3) * (result.cache.l3.indexOf('K') !== -1 ? 1024 : 1); }
 
+          // socket type
+          lines = [];
+          exec('export LC_ALL=C; dmidecode –t 4 2>/dev/null | grep "Upgrade: Socket"; unset LC_ALL', function (error2, stdout2) {
+            lines = stdout2.toString().split('\n');
+            if (lines && lines.length) {
+              result.socket = util.getValue(lines, 'Upgrade').replace('Socket', '').trim();
+            }
+
             // # processurs & # threads/core - method 1
             let threadsPerCoreInt = 0;
-          try {
             lines = [];
-            lines = execSync('cat /proc/cpuinfo | grep -E "physical id|core id"').toString().split('\n');
+            exec('cat /proc/cpuinfo | grep -E "physical id|core id"', function (error2, stdout3) {
+              lines = stdout3.toString().split('\n');
               if (lines && lines.length) {
                 result.processors = util.countUniqueLines(lines, 'physical id') || 1;
                 result.physicalCores = util.countUniqueLines(lines, 'core id') / result.processors;
@@ -332,9 +339,6 @@ function getCpu() {
                   threadsPerCoreInt = result.cores / result.physicalCores;
                 }
               }
-          } catch (e) {
-            util.noop();
-          }
               // # threads/core - method 2
               if (threadsPerCoreInt === 0) {
                 const threadsPerCore = util.getValue(lines, 'thread(s) per core');
@@ -345,18 +349,10 @@ function getCpu() {
                   }
                 }
               }
-          // socket type
-          try {
-            lines = [];
-            lines = execSync('dmidecode –t 4 2>/dev/null | grep "Upgrade: Socket"').toString().split('\n');
-            if (lines && lines.length) {
-              result.socket = util.getValue(lines, 'Upgrade').replace('Socket', '').trim();
-            }
-          } catch (e) {
-            util.noop();
-          }
               resolve(result);
             });
+          });
+        });
       }
       if (_freebsd || _openbsd) {
         let modelline = '';

lib/graphics.js

@@ -167,7 +167,7 @@ function graphics(callback) {
     // PCI bus IDs
     let pciIDs = [];
     try {
-      pciIDs = execSync('dmidecode -t 9 2>/dev/null | grep "Bus Address: "').toString().split('\n');
+      pciIDs = execSync('export LC_ALL=C; dmidecode -t 9 2>/dev/null; unset LC_ALL | grep "Bus Address: "').toString().split('\n');
       for (let i = 0; i < pciIDs.length; i++) {
         pciIDs[i] = pciIDs[i].replace('Bus Address:', '').replace('0000:', '').trim();
       }
@@ -414,7 +414,7 @@ function graphics(callback) {
                   pixeldepth: -1,
                   resolutionx: parseInt(parts[0], 10),
                   resolutiony: parseInt(parts[1], 10)
-                })
+                });
               }
             }
             if (lines.length > 1 && lines[1].indexOf('gpu=') >= -1) {
@@ -424,7 +424,7 @@ function graphics(callback) {
                 bus: '',
                 vram: lines[1].replace('gpu=', ''),
                 vramDynamic: true
-              })
+              });
             }
             if (callback) {
               callback(result);

lib/system.js

@@ -41,7 +41,7 @@ function system(callback) {
       };
 
       if (_linux || _freebsd || _openbsd) {
-        exec('dmidecode -t system 2>/dev/null', function (error, stdout) {
+        exec('export LC_ALL=C; dmidecode -t system 2>/dev/null; unset LC_ALL', function (error, stdout) {
           // if (!error) {
           let lines = stdout.toString().split('\n');
           result.manufacturer = util.getValue(lines, 'manufacturer');
@@ -255,7 +255,7 @@ function bios(callback) {
           cmd = 'cat /proc/cpuinfo | grep Serial';
 
         } else {
-          cmd = 'dmidecode --type 0 2>/dev/null';
+          cmd = 'export LC_ALL=C; dmidecode --type 0 2>/dev/null; unset LC_ALL';
         }
         exec(cmd, function (error, stdout) {
           let lines = stdout.toString().split('\n');
@@ -349,7 +349,7 @@ function baseboard(callback) {
           cmd = 'cat /proc/cpuinfo | grep Serial';
           // 'BCM2709', 'BCM2835', 'BCM2708' -->
         } else {
-          cmd = 'dmidecode -t 2 2>/dev/null';
+          cmd = 'export LC_ALL=C; dmidecode -t 2 2>/dev/null; unset LC_ALL';
         }
         exec(cmd, function (error, stdout) {
           let lines = stdout.toString().split('\n');

lib/util.js

@@ -292,9 +292,9 @@ function isRaspberry() {
     cpuinfo = fs.readFileSync('/proc/cpuinfo', { encoding: 'utf8' }).split('\n');
   } catch (e) {
     return false;
-  };
+  }
   const hardware = getValue(cpuinfo, 'hardware');
-  return (PI_MODEL_NO.indexOf(hardware) >= -1)
+  return (hardware && PI_MODEL_NO.indexOf(hardware) > -1);
 }
 
 function isRaspbian() {
@@ -303,9 +303,9 @@ function isRaspbian() {
     osrelease = fs.readFileSync('/etc/os-release', { encoding: 'utf8' }).split('\n');
   } catch (e) {
     return false;
-  };
+  }
   const id = getValue(osrelease, 'id');
-  return (id.indexOf('raspbian') >= -1)
+  return (id && id.indexOf('raspbian') > -1);
 }
 
 function execWin(cmd, opts, callback) {