Minor style fixes.

2 files changed, 104 insertions, 102 deletions

diff --git a/darwin/DarwinProcessList.c b/darwin/DarwinProcessList.c
index 4a580acc..146e6aee 100644
--- a/darwin/DarwinProcessList.c
+++ b/darwin/DarwinProcessList.c
@@ -21,37 +21,6 @@ in the source distribution for its full text.
 #include <sys/sysctl.h>
 #include <stdbool.h>
 
-struct kern {
-    short int version[3];
-};
-
-void GetKernelVersion(struct kern *k) {
-   static short int version_[3] = {0};
-   if (!version_[0]) {
-      // just in case it fails someday
-      version_[0] = version_[1] = version_[2] = -1;
-      char str[256] = {0};
-      size_t size = sizeof(str);
-      int ret = sysctlbyname("kern.osrelease", str, &size, NULL, 0);
-      if (ret == 0) sscanf(str, "%hd.%hd.%hd", &version_[0], &version_[1], &version_[2]);
-    }
-    memcpy(k->version, version_, sizeof(version_));
-}
-
-/* compare the given os version with the one installed returns:
-0 if equals the installed version
-positive value if less than the installed version
-negative value if more than the installed version
-*/
-int CompareKernelVersion(short int major, short int minor, short int component) {
-    struct kern k;
-    GetKernelVersion(&k);
-    if ( k.version[0] !=  major) return k.version[0] - major;
-    if ( k.version[1] !=  minor) return k.version[1] - minor;
-    if ( k.version[2] !=  component) return k.version[2] - component;
-    return 0;
-}
-
 /*{
 #include "ProcessList.h"
 #include <mach/mach_host.h>
@@ -71,19 +40,51 @@ typedef struct DarwinProcessList_ {
 
 }*/
 
+typedef struct kern {
+   short int version[3];
+} kern_;
+
+static void getKernelVersion(struct kern *k) {
+   static short int version_[3] = {0};
+   if (!version_[0]) {
+      // just in case it fails someday
+      version_[0] = version_[1] = version_[2] = -1;
+      char str[256] = {0};
+      size_t size = sizeof(str);
+      int ret = sysctlbyname("kern.osrelease", str, &size, NULL, 0);
+      if (ret == 0) sscanf(str, "%hd.%hd.%hd", &version_[0], &version_[1], &version_[2]);
+   }
+   memcpy(k->version, version_, sizeof(version_));
+}
+
+static int compareKernelVersion(short int major, short int minor, short int component) {
+   /*
+   compare the given os version with the one installed returns:
+   0 if equals the installed version
+   positive value if less than the installed version
+   negative value if more than the installed version
+   */
+   struct kern k;
+   getKernelVersion(&k);
+   if ( k.version[0] != major) return k.version[0] - major;
+   if ( k.version[1] != minor) return k.version[1] - minor;
+   if ( k.version[2] != component) return k.version[2] - component;
+   return 0;
+}
+
 void ProcessList_getHostInfo(host_basic_info_data_t *p) {
    mach_msg_type_number_t info_size = HOST_BASIC_INFO_COUNT;
 
-   if(0 != host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)p, &info_size)) {
-       CRT_fatalError("Unable to retrieve host info\n");
+   if (0 != host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)p, &info_size)) {
+      CRT_fatalError("Unable to retrieve host info\n");
    }
 }
 
 void ProcessList_freeCPULoadInfo(processor_cpu_load_info_t *p) {
-   if(NULL != p && NULL != *p) {
-       if(0 != munmap(*p, vm_page_size)) {
-           CRT_fatalError("Unable to free old CPU load information\n");
-       }
+   if (NULL != p && NULL != *p) {
+      if (0 != munmap(*p, vm_page_size)) {
+         CRT_fatalError("Unable to free old CPU load information\n");
+      }
    }
 
    *p = NULL;
@@ -94,7 +95,7 @@ unsigned ProcessList_allocateCPULoadInfo(processor_cpu_load_info_t *p) {
    unsigned cpu_count;
 
    // TODO Improving the accuracy of the load counts woule help a lot.
-   if(0 != host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &cpu_count, (processor_info_array_t *)p, &info_size)) {
+   if (0 != host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &cpu_count, (processor_info_array_t *)p, &info_size)) {
        CRT_fatalError("Unable to retrieve CPU info\n");
    }
 
@@ -102,10 +103,10 @@ unsigned ProcessList_allocateCPULoadInfo(processor_cpu_load_info_t *p) {
 }
 
 void ProcessList_getVMStats(vm_statistics_t p) {
-    mach_msg_type_number_t info_size = HOST_VM_INFO_COUNT;
+   mach_msg_type_number_t info_size = HOST_VM_INFO_COUNT;
 
-    if (host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)p, &info_size) != 0)
-       CRT_fatalError("Unable to retrieve VM statistics\n");
+   if (host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)p, &info_size) != 0)
+      CRT_fatalError("Unable to retrieve VM statistics\n");
 }
 
 struct kinfo_proc *ProcessList_getKInfoProcs(size_t *count) {
@@ -160,65 +161,65 @@ void ProcessList_delete(ProcessList* this) {
 }
 
 void ProcessList_goThroughEntries(ProcessList* super) {
-    DarwinProcessList *dpl = (DarwinProcessList *)super;
-	bool preExisting = true;
-	struct kinfo_proc *ps;
-	size_t count;
-    DarwinProcess *proc;
-    struct timeval tv;
-
-    gettimeofday(&tv, NULL); /* Start processing time */
-
-    /* Update the global data (CPU times and VM stats) */
-    ProcessList_freeCPULoadInfo(&dpl->prev_load);
-    dpl->prev_load = dpl->curr_load;
-    ProcessList_allocateCPULoadInfo(&dpl->curr_load);
-    ProcessList_getVMStats(&dpl->vm_stats);
-
-    /* Get the time difference */
-    dpl->global_diff = 0;
-    for(int i = 0; i < dpl->super.cpuCount; ++i) {
-        for(size_t j = 0; j < CPU_STATE_MAX; ++j) {
-            dpl->global_diff += dpl->curr_load[i].cpu_ticks[j] - dpl->prev_load[i].cpu_ticks[j];
-        }
-    }
-
-    /* Clear the thread counts */
-    super->kernelThreads = 0;
-    super->userlandThreads = 0;
-    super->totalTasks = 0;
-    super->runningTasks = 0;
-
-    /* We use kinfo_procs for initial data since :
-     *
-     * 1) They always succeed.
-     * 2) The contain the basic information.
-     *
-     * We attempt to fill-in additional information with libproc.
-     */
-    ps = ProcessList_getKInfoProcs(&count);
-
-    for(size_t i = 0; i < count; ++i) {
-       proc = (DarwinProcess *)ProcessList_getProcess(super, ps[i].kp_proc.p_pid, &preExisting, (Process_New)DarwinProcess_new);
-
-       DarwinProcess_setFromKInfoProc(&proc->super, &ps[i], tv.tv_sec, preExisting);
-       DarwinProcess_setFromLibprocPidinfo(proc, dpl);
-
-       // Disabled for High Sierra due to bug in macOS High Sierra
-       bool isScanThreadSupported  = ! ( CompareKernelVersion(17, 0, 0) >= 0 && CompareKernelVersion(17, 5, 0) < 0);
-
-       if (isScanThreadSupported){
-           DarwinProcess_scanThreads(proc);
-       }
-
-       super->totalTasks += 1;
-
-       if(!preExisting) {
-           proc->super.user = UsersTable_getRef(super->usersTable, proc->super.st_uid);
-
-           ProcessList_add(super, &proc->super);
-       }
-    }
-
-    free(ps);
+   DarwinProcessList *dpl = (DarwinProcessList *)super;
+   bool preExisting = true;
+   struct kinfo_proc *ps;
+   size_t count;
+   DarwinProcess *proc;
+   struct timeval tv;
+
+   gettimeofday(&tv, NULL); /* Start processing time */
+
+   /* Update the global data (CPU times and VM stats) */
+   ProcessList_freeCPULoadInfo(&dpl->prev_load);
+   dpl->prev_load = dpl->curr_load;
+   ProcessList_allocateCPULoadInfo(&dpl->curr_load);
+   ProcessList_getVMStats(&dpl->vm_stats);
+
+   /* Get the time difference */
+   dpl->global_diff = 0;
+   for(int i = 0; i < dpl->super.cpuCount; ++i) {
+      for(size_t j = 0; j < CPU_STATE_MAX; ++j) {
+         dpl->global_diff += dpl->curr_load[i].cpu_ticks[j] - dpl->prev_load[i].cpu_ticks[j];
+      }
+   }
+
+   /* Clear the thread counts */
+   super->kernelThreads = 0;
+   super->userlandThreads = 0;
+   super->totalTasks = 0;
+   super->runningTasks = 0;
+
+   /* We use kinfo_procs for initial data since :
+    *
+    * 1) They always succeed.
+    * 2) The contain the basic information.
+    *
+    * We attempt to fill-in additional information with libproc.
+    */
+   ps = ProcessList_getKInfoProcs(&count);
+
+   for(size_t i = 0; i < count; ++i) {
+      proc = (DarwinProcess *)ProcessList_getProcess(super, ps[i].kp_proc.p_pid, &preExisting, (Process_New)DarwinProcess_new);
+
+      DarwinProcess_setFromKInfoProc(&proc->super, &ps[i], tv.tv_sec, preExisting);
+      DarwinProcess_setFromLibprocPidinfo(proc, dpl);
+
+      // Disabled for High Sierra due to bug in macOS High Sierra
+      bool isScanThreadSupported  = ! ( compareKernelVersion(17, 0, 0) >= 0 && compareKernelVersion(17, 5, 0) < 0);
+
+      if (isScanThreadSupported){
+         DarwinProcess_scanThreads(proc);
+      }
+
+      super->totalTasks += 1;
+
+      if (!preExisting) {
+         proc->super.user = UsersTable_getRef(super->usersTable, proc->super.st_uid);
+
+         ProcessList_add(super, &proc->super);
+      }
+   }
+
+   free(ps);
 }
diff --git a/darwin/DarwinProcessList.h b/darwin/DarwinProcessList.h
index c216a804..2c3ad801 100644
--- a/darwin/DarwinProcessList.h
+++ b/darwin/DarwinProcessList.h
@@ -26,6 +26,7 @@ typedef struct DarwinProcessList_ {
 } DarwinProcessList;
 
 
+
 void ProcessList_getHostInfo(host_basic_info_data_t *p);
 
 void ProcessList_freeCPULoadInfo(processor_cpu_load_info_t *p);