Global: replaces NULL to nullptr

src/detection/processes/processes_bsd.c

@@ -14,10 +14,10 @@ const char* ffDetectProcesses(uint32_t* result) {
     int request[] = { CTL_KERN, KERN_PROC, KERN_PROC_PROC };
     size_t length;
 
-    if (sysctl(request, ARRAY_SIZE(request), NULL, &length, NULL, 0) != 0) {
+    if (sysctl(request, ARRAY_SIZE(request), nullptr, &length, nullptr, 0) != 0) {
         return "sysctl({CTL_KERN, KERN_PROC, KERN_PROC_PROC}) failed";
     }
 
     *result = (uint32_t) (length / sizeof(struct kinfo_proc));
-    return NULL;
+    return nullptr;
 }

src/detection/processes/processes_haiku.c

@@ -10,5 +10,5 @@ const char* ffDetectProcesses(uint32_t* result) {
 
     *result = info.used_teams;
 
-    return NULL;
+    return nullptr;
 }

src/detection/processes/processes_linux.c

@@ -5,14 +5,14 @@
 
 const char* ffDetectProcesses(uint32_t* result) {
     FF_AUTO_CLOSE_DIR DIR* dir = opendir("/proc");
-    if (dir == NULL) {
+    if (dir == nullptr) {
         return "opendir(\"/proc\") failed";
     }
 
     uint32_t num = 0;
 
     struct dirent* entry;
-    while ((entry = readdir(dir)) != NULL) {
+    while ((entry = readdir(dir)) != nullptr) {
         if (
 #ifdef _DIRENT_HAVE_D_TYPE
             (entry->d_type == DT_DIR || entry->d_type == DT_UNKNOWN) &&
@@ -23,5 +23,5 @@ const char* ffDetectProcesses(uint32_t* result) {
 
     *result = num;
 
-    return NULL;
+    return nullptr;
 }

src/detection/processes/processes_nbsd.c

@@ -6,10 +6,10 @@ const char* ffDetectProcesses(uint32_t* result) {
     int request[] = { CTL_KERN, KERN_PROC2, KERN_PROC_ALL, -1, sizeof(struct kinfo_proc2), 0 };
     size_t length = 0;
 
-    if (sysctl(request, ARRAY_SIZE(request), NULL, &length, NULL, 0) != 0) {
+    if (sysctl(request, ARRAY_SIZE(request), nullptr, &length, nullptr, 0) != 0) {
         return "sysctl({CTL_KERN, KERN_PROC2, KERN_PROC_ALL}) failed";
     }
 
     *result = (uint32_t) (length / sizeof(struct kinfo_proc2));
-    return NULL;
+    return nullptr;
 }

src/detection/processes/processes_obsd.c

@@ -5,11 +5,11 @@
 #include <kvm.h>
 
 const char* ffDetectProcesses(uint32_t* result) {
-    kvm_t* kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, NULL);
+    kvm_t* kd = kvm_open(nullptr, nullptr, nullptr, KVM_NO_FILES, nullptr);
     const void* ret = kvm_getprocs(kd, KERN_PROC_ALL, 0, 1, result);
     kvm_close(kd);
     if (!ret) {
         return "kvm_getprocs() failed";
     }
-    return NULL;
+    return nullptr;
 }

src/detection/processes/processes_windows.c

@@ -5,7 +5,7 @@
 #include <winternl.h>
 
 const char* ffDetectProcesses(uint32_t* result) {
-    SYSTEM_PROCESS_INFORMATION* FF_AUTO_FREE pstart = NULL;
+    SYSTEM_PROCESS_INFORMATION* FF_AUTO_FREE pstart = nullptr;
 
     // Multiple attempts in case processes change while
     // we are in the middle of querying them.
@@ -30,5 +30,5 @@ const char* ffDetectProcesses(uint32_t* result) {
         ++*result;
     }
 
-    return NULL;
+    return nullptr;
 }