Converts from sprintf() to snprintf().

sprintf() is deprecated in Xcode 14, so update to safer equivalents in
order to keep the compiler happy on iOS and macOS.

Bug: chromium:1331345
Change-Id: Id5348088bf69cbd360d9251e6323596cb710666d
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3690747
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/capture/trace_fixture.cpp

@@ -34,7 +34,7 @@ void LoadBinaryData(const char *fileName)
     }
     char pathBuffer[1000] = {};
 
-    sprintf(pathBuffer, "%s/%s", gBinaryDataDir.c_str(), fileName);
+    snprintf(pathBuffer, sizeof(pathBuffer), "%s/%s", gBinaryDataDir.c_str(), fileName);
     FILE *fp = fopen(pathBuffer, "rb");
     if (fp == 0)
     {

src/tests/gl_tests/GLSLTest.cpp

@@ -33,11 +33,11 @@ class GLSLTest : public ANGLETest
 
         if (vectorSize == 1)
         {
-            sprintf(varyingType, "float");
+            snprintf(varyingType, sizeof(varyingType), "float");
         }
         else
         {
-            sprintf(varyingType, "vec%d", vectorSize);
+            snprintf(varyingType, sizeof(varyingType), "vec%d", vectorSize);
         }
 
         return std::string(varyingType);
@@ -49,12 +49,13 @@ class GLSLTest : public ANGLETest
 
         if (arraySize == 1)
         {
-            sprintf(buff, "varying %s v%d;\n", GenerateVaryingType(vectorSize).c_str(), id);
+            snprintf(buff, sizeof(buff), "varying %s v%d;\n",
+                     GenerateVaryingType(vectorSize).c_str(), id);
         }
         else
         {
-            sprintf(buff, "varying %s v%d[%d];\n", GenerateVaryingType(vectorSize).c_str(), id,
+            snprintf(buff, sizeof(buff), "varying %s v%d[%d];\n",
-                    arraySize);
+                     GenerateVaryingType(vectorSize).c_str(), id, arraySize);
         }
 
         return std::string(buff);
@@ -67,14 +68,15 @@ class GLSLTest : public ANGLETest
 
         if (arraySize == 1)
         {
-            sprintf(buff, "\t v%d = %s(1.0);\n", id, GenerateVaryingType(vectorSize).c_str());
+            snprintf(buff, sizeof(buff), "\t v%d = %s(1.0);\n", id,
+                     GenerateVaryingType(vectorSize).c_str());
             returnString += buff;
         }
         else
         {
             for (int i = 0; i < arraySize; i++)
             {
-                sprintf(buff, "\t v%d[%d] = %s(1.0);\n", id, i,
+                snprintf(buff, sizeof(buff), "\t v%d[%d] = %s(1.0);\n", id, i,
                          GenerateVaryingType(vectorSize).c_str());
                 returnString += buff;
             }
@@ -88,7 +90,7 @@ class GLSLTest : public ANGLETest
         if (arraySize == 1)
         {
             char buff[100];
-            sprintf(buff, "v%d + ", id);
+            snprintf(buff, sizeof(buff), "v%d + ", id);
             return std::string(buff);
         }
         else
@@ -97,7 +99,7 @@ class GLSLTest : public ANGLETest
             for (int i = 0; i < arraySize; i++)
             {
                 char buff[100];
-                sprintf(buff, "v%d[%d] + ", id, i);
+                snprintf(buff, sizeof(buff), "v%d[%d] + ", id, i);
                 returnString += buff;
             }
             return returnString;

src/tests/test_utils/runner/TestSuite.cpp

@@ -349,7 +349,7 @@ void WriteResultsFile(bool interrupted,
         jsResult.AddMember("times", times, allocator);
 
         char testName[500];
-        id.sprintfName(testName);
+        id.snprintfName(testName, sizeof(testName));
         js::Value jsName;
         jsName.SetString(testName, allocator);
 
@@ -1008,9 +1008,9 @@ TestIdentifier::~TestIdentifier() = default;
 
 TestIdentifier &TestIdentifier::operator=(const TestIdentifier &other) = default;
 
-void TestIdentifier::sprintfName(char *outBuffer) const
+void TestIdentifier::snprintfName(char *outBuffer, size_t maxLen) const
 {
-    sprintf(outBuffer, "%s.%s", testSuiteName.c_str(), testName.c_str());
+    snprintf(outBuffer, maxLen, "%s.%s", testSuiteName.c_str(), testName.c_str());
 }
 
 // static

src/tests/test_utils/runner/TestSuite.h

@@ -34,7 +34,7 @@ struct TestIdentifier
     static bool ParseFromString(const std::string &str, TestIdentifier *idOut);
 
     bool valid() const { return !testName.empty(); }
-    void sprintfName(char *outBuffer) const;
+    void snprintfName(char *outBuffer, size_t maxLen) const;
 
     std::string testSuiteName;
     std::string testName;

util/posix/test_utils_posix.cpp

@@ -98,8 +98,7 @@ ReadResult ReadFromFile(int fd, std::string *out)
 void ReadEntireFile(int fd, std::string *out)
 {
     while (ReadFromFile(fd, out) == ReadResult::GotData)
-    {
+    {}
-    }
 }
 
 class PosixProcess : public Process
@@ -420,7 +419,7 @@ bool GetTempDir(char *tempDirOut, uint32_t maxDirNameLen)
 bool CreateTemporaryFileInDir(const char *dir, char *tempFileNameOut, uint32_t maxFileNameLen)
 {
     std::string tempFile = TempFileName();
-    sprintf(tempFileNameOut, "%s/%s", dir, tempFile.c_str());
+    snprintf(tempFileNameOut, maxFileNameLen, "%s/%s", dir, tempFile.c_str());
     int fd = mkstemp(tempFileNameOut);
     close(fd);
     return fd != -1;