Modernize codebase by replacing NULL with nullptr

Fixes -Wzero-as-null-pointer-constant warning.

Test: m
Bug: 68236239
Change-Id: Ic440b9fcb9be97c316448b764f7110ef1f7eb525
Merged-In: Ic440b9fcb9be97c316448b764f7110ef1f7eb525
(cherry picked from commit 08a8d728dbe379cd70974ba98d59017f5506e0e5)

4 files changed, 8 insertions, 8 deletions

diff --git a/cmds/incident_helper/src/ih_util.cpp b/cmds/incident_helper/src/ih_util.cpp
index 4c4d1b992ba8..012310cc277a 100644
--- a/cmds/incident_helper/src/ih_util.cpp
+++ b/cmds/incident_helper/src/ih_util.cpp
@@ -97,7 +97,7 @@ bool getColumnIndices(std::vector<int>& indices, const char** headerNames, const
 
     size_t lastIndex = 0;
     int i = 0;
-    while (headerNames[i] != NULL) {
+    while (headerNames[i] != nullptr) {
         std::string s = headerNames[i];
         lastIndex = line.find(s, lastIndex);
         if (lastIndex == std::string::npos) {
@@ -237,18 +237,18 @@ double toDouble(const std::string& s) {
 Reader::Reader(const int fd)
 {
     mFile = fdopen(fd, "r");
-    mStatus = mFile == NULL ? "Invalid fd " + std::to_string(fd) : "";
+    mStatus = mFile == nullptr ? "Invalid fd " + std::to_string(fd) : "";
 }
 
 Reader::~Reader()
 {
-    if (mFile != NULL) fclose(mFile);
+    if (mFile != nullptr) fclose(mFile);
 }
 
 bool Reader::readLine(std::string* line) {
-    if (mFile == NULL) return false;
+    if (mFile == nullptr) return false;
 
-    char* buf = NULL;
+    char* buf = nullptr;
     size_t len = 0;
     ssize_t read = getline(&buf, &len, mFile);
     if (read != -1) {
diff --git a/cmds/incident_helper/src/main.cpp b/cmds/incident_helper/src/main.cpp
index 418dc3fad761..091410bce2dd 100644
--- a/cmds/incident_helper/src/main.cpp
+++ b/cmds/incident_helper/src/main.cpp
@@ -97,7 +97,7 @@ int main(int argc, char** argv) {
 
     fprintf(stderr, "Pasring section %d...\n", sectionID);
     TextParserBase* parser = selectParser(sectionID);
-    if (parser != NULL) {
+    if (parser != nullptr) {
         fprintf(stderr, "Running parser: %s\n", parser->name.string());
         status_t err = parser->Parse(STDIN_FILENO, STDOUT_FILENO);
         if (err != NO_ERROR) {
diff --git a/cmds/incident_helper/src/parsers/CpuInfoParser.cpp b/cmds/incident_helper/src/parsers/CpuInfoParser.cpp
index eed68b9e29c6..21ced9cb485c 100644
--- a/cmds/incident_helper/src/parsers/CpuInfoParser.cpp
+++ b/cmds/incident_helper/src/parsers/CpuInfoParser.cpp
@@ -109,7 +109,7 @@ CpuInfoParser::Parse(const int in, const int out) const
             nextToUsage = false;
 
             // NAME is not in the list since we need to modify the end of the CMD index.
-            const char* headerNames[] = { "PID", "TID", "USER", "PR", "NI", "CPU", "S", "VIRT", "RES", "PCY", "CMD", NULL };
+            const char* headerNames[] = { "PID", "TID", "USER", "PR", "NI", "CPU", "S", "VIRT", "RES", "PCY", "CMD", nullptr };
             if (!getColumnIndices(columnIndices, headerNames, line)) {
                 return -1;
             }
diff --git a/cmds/incident_helper/src/parsers/PsParser.cpp b/cmds/incident_helper/src/parsers/PsParser.cpp
index 8d64064e26f4..d3cb4be59f66 100644
--- a/cmds/incident_helper/src/parsers/PsParser.cpp
+++ b/cmds/incident_helper/src/parsers/PsParser.cpp
@@ -48,7 +48,7 @@ status_t PsParser::Parse(const int in, const int out) const {
         if (nline++ == 0) {
             header = parseHeader(line, DEFAULT_WHITESPACE);
 
-            const char* headerNames[] = { "LABEL", "USER", "PID", "TID", "PPID", "VSZ", "RSS", "WCHAN", "ADDR", "S", "PRI", "NI", "RTPRIO", "SCH", "PCY", "TIME", "CMD", NULL };
+            const char* headerNames[] = { "LABEL", "USER", "PID", "TID", "PPID", "VSZ", "RSS", "WCHAN", "ADDR", "S", "PRI", "NI", "RTPRIO", "SCH", "PCY", "TIME", "CMD", nullptr };
             if (!getColumnIndices(columnIndices, headerNames, line)) {
                 return -1;
             }