Fixed a bunch of compiler warnings.

src/file/SDL_rwops.c

@@ -686,7 +686,7 @@ SDL_LoadFile_RW(SDL_RWops * src, size_t *datasize, int freesrc)
 
     size_total = 0;
     for (;;) {
-        if ((size_total + FILE_CHUNK_SIZE) > size) {
+        if ((((Sint64)size_total) + FILE_CHUNK_SIZE) > size) {
             size = (size_total + FILE_CHUNK_SIZE);
             newdata = SDL_realloc(data, (size_t)(size + 1));
             if (!newdata) {

src/stdlib/SDL_qsort.c

@@ -362,7 +362,7 @@ typedef struct { char * first; char * last; } stack_entry;
 
 static char * pivot_big(char *first, char *mid, char *last, size_t size,
                         int compare(const void *, const void *)) {
-  int d=(((last-first)/size)>>3)*size;
+  size_t d=(((last-first)/size)>>3)*size;
 #ifdef DEBUG_QSORT
 fprintf(stderr, "pivot_big: first=%p last=%p size=%lu n=%lu\n", first, (unsigned long)last, size, (unsigned long)((last-first+1)/size));
 #endif

src/test/SDL_test_harness.c

@@ -103,11 +103,11 @@ SDLTest_GenerateExecKey(const char *runSeed, char *suiteName, char *testName, in
     SDLTest_Md5Context md5Context;
     Uint64 *keys;
     char iterationString[16];
-    Uint32 runSeedLength;
+    size_t runSeedLength;
-    Uint32 suiteNameLength;
+    size_t suiteNameLength;
-    Uint32 testNameLength;
+    size_t testNameLength;
-    Uint32 iterationStringLength;
+    size_t iterationStringLength;
-    Uint32 entireStringLength;
+    size_t entireStringLength;
     char *buffer;
 
     if (runSeed == NULL || runSeed[0] == '\0') {
@@ -150,7 +150,7 @@ SDLTest_GenerateExecKey(const char *runSeed, char *suiteName, char *testName, in
 
     /* Hash string and use half of the digest as 64bit exec key */
     SDLTest_Md5Init(&md5Context);
-    SDLTest_Md5Update(&md5Context, (unsigned char *)buffer, entireStringLength);
+    SDLTest_Md5Update(&md5Context, (unsigned char *)buffer, (unsigned int) entireStringLength);
     SDLTest_Md5Final(&md5Context);
     SDL_free(buffer);
     keys = (Uint64 *)md5Context.digest;

test/testatomic.c

@@ -600,7 +600,7 @@ static void RunFIFOTest(SDL_bool lock_free)
     int i, j;
     int grand_total;
     char textBuffer[1024];
-    int len;
+    size_t len;
 
     SDL_Log("\nFIFO test---------------------------------------\n\n");
     SDL_Log("Mode: %s\n", lock_free ? "LockFree" : "Mutex");

test/testautomation_platform.c

@@ -112,7 +112,7 @@ int platform_testGetFunctions (void *arg)
    char *platform;
    char *revision;
    int ret;
-   int len;
+   size_t len;
 
    platform = (char *)SDL_GetPlatform();
    SDLTest_AssertPass("SDL_GetPlatform()");
@@ -122,7 +122,7 @@ int platform_testGetFunctions (void *arg)
      SDLTest_AssertCheck(len > 0,
              "SDL_GetPlatform(): expected non-empty platform, was platform: '%s', len: %i",
              platform,
-             len);
+             (int) len);
    }
 
    ret = SDL_GetCPUCount();
@@ -282,7 +282,7 @@ int platform_testGetSetClearError(void *arg)
    int result;
    const char *testError = "Testing";
    char *lastError;
-   int len;
+   size_t len;
 
    SDL_ClearError();
    SDLTest_AssertPass("SDL_ClearError()");
@@ -295,7 +295,7 @@ int platform_testGetSetClearError(void *arg)
    {
      len = SDL_strlen(lastError);
      SDLTest_AssertCheck(len == 0,
-             "SDL_GetError(): no message expected, len: %i", len);
+             "SDL_GetError(): no message expected, len: %i", (int) len);
    }
 
    result = SDL_SetError("%s", testError);
@@ -310,7 +310,7 @@ int platform_testGetSetClearError(void *arg)
      SDLTest_AssertCheck(len == SDL_strlen(testError),
              "SDL_GetError(): expected message len %i, was len: %i",
              (int) SDL_strlen(testError),
-             len);
+             (int) len);
      SDLTest_AssertCheck(SDL_strcmp(lastError, testError) == 0,
              "SDL_GetError(): expected message %s, was message: %s",
              testError,
@@ -334,7 +334,7 @@ int platform_testSetErrorEmptyInput(void *arg)
    int result;
    const char *testError = "";
    char *lastError;
-   int len;
+   size_t len;
 
    result = SDL_SetError("%s", testError);
    SDLTest_AssertPass("SDL_SetError()");
@@ -348,7 +348,7 @@ int platform_testSetErrorEmptyInput(void *arg)
      SDLTest_AssertCheck(len == SDL_strlen(testError),
              "SDL_GetError(): expected message len %i, was len: %i",
              (int) SDL_strlen(testError),
-             len);
+             (int) len);
      SDLTest_AssertCheck(SDL_strcmp(lastError, testError) == 0,
              "SDL_GetError(): expected message '%s', was message: '%s'",
              testError,
@@ -373,7 +373,7 @@ int platform_testSetErrorInvalidInput(void *arg)
    const char *invalidError = NULL;
    const char *probeError = "Testing";
    char *lastError;
-   int len;
+   size_t len;
 
    /* Reset */
    SDL_ClearError();
@@ -391,7 +391,7 @@ int platform_testSetErrorInvalidInput(void *arg)
      len = SDL_strlen(lastError);
      SDLTest_AssertCheck(len == 0,
              "SDL_GetError(): expected message len 0, was len: %i",
-             len);
+             (int) len);
    }
 
    /* Set */
@@ -411,7 +411,7 @@ int platform_testSetErrorInvalidInput(void *arg)
      len = SDL_strlen(lastError);
      SDLTest_AssertCheck(len == 0,
              "SDL_GetError(): expected message len 0, was len: %i",
-             len);
+             (int) len);
    }
 
    /* Reset */
@@ -431,7 +431,7 @@ int platform_testSetErrorInvalidInput(void *arg)
      SDLTest_AssertCheck(len == SDL_strlen(probeError),
              "SDL_GetError(): expected message len %i, was len: %i",
              (int) SDL_strlen(probeError),
-             len);
+             (int) len);
      SDLTest_AssertCheck(SDL_strcmp(lastError, probeError) == 0,
              "SDL_GetError(): expected message '%s', was message: '%s'",
              probeError,

test/testautomation_rwops.c

@@ -32,9 +32,9 @@ static const char RWopsAlphabetString[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 void
 RWopsSetUp(void *arg)
 {
-    int fileLen;
+    size_t fileLen;
     FILE *handle;
-    int writtenLen;
+    size_t writtenLen;
     int result;
 
     /* Clean up from previous runs (if any); ignore errors */
@@ -49,8 +49,8 @@ RWopsSetUp(void *arg)
 
     /* Write some known text into it */
     fileLen = SDL_strlen(RWopsHelloWorldTestString);
-    writtenLen = (int)fwrite(RWopsHelloWorldTestString, 1, fileLen, handle);
+    writtenLen = fwrite(RWopsHelloWorldTestString, 1, fileLen, handle);
-    SDLTest_AssertCheck(fileLen == writtenLen, "Verify number of written bytes, expected %i, got %i", fileLen, writtenLen);
+    SDLTest_AssertCheck(fileLen == writtenLen, "Verify number of written bytes, expected %i, got %i", (int) fileLen, (int) writtenLen);
     result = fclose(handle);
     SDLTest_AssertCheck(result == 0, "Verify result from fclose, expected 0, got %i", result);
 
@@ -61,8 +61,8 @@ RWopsSetUp(void *arg)
 
     /* Write alphabet text into it */
     fileLen = SDL_strlen(RWopsAlphabetString);
-    writtenLen = (int)fwrite(RWopsAlphabetString, 1, fileLen, handle);
+    writtenLen = fwrite(RWopsAlphabetString, 1, fileLen, handle);
-    SDLTest_AssertCheck(fileLen == writtenLen, "Verify number of written bytes, expected %i, got %i", fileLen, writtenLen);
+    SDLTest_AssertCheck(fileLen == writtenLen, "Verify number of written bytes, expected %i, got %i", (int) fileLen, (int) writtenLen);
     result = fclose(handle);
     SDLTest_AssertCheck(result == 0, "Verify result from fclose, expected 0, got %i", result);
 

test/testautomation_sdltest.c

@@ -34,7 +34,7 @@ int
 sdltest_generateRunSeed(void *arg)
 {
   char* result;
-  int i, l;
+  size_t i, l;
   
   for (i = 1; i <= 10; i += 3) {   
      result = SDLTest_GenerateRunSeed((const int)i);
@@ -42,7 +42,7 @@ sdltest_generateRunSeed(void *arg)
      SDLTest_AssertCheck(result != NULL, "Verify returned value is not NULL");
      if (result != NULL) {
        l = SDL_strlen(result);
-       SDLTest_AssertCheck(l == i, "Verify length of returned value is %d, got: %d", i, l);
+       SDLTest_AssertCheck(l == i, "Verify length of returned value is %d, got: %d", (int) i, (int) l);
        SDL_free(result);
      }
   }
@@ -1119,16 +1119,16 @@ int
 sdltest_randomAsciiString(void *arg)
 {
   char* result;
-  int len;
+  size_t len;
   int nonAsciiCharacters;
-  int i;
+  size_t i;
 
   result = SDLTest_RandomAsciiString();
   SDLTest_AssertPass("Call to SDLTest_RandomAsciiString()");
   SDLTest_AssertCheck(result != NULL, "Validate that result is not NULL");
   if (result != NULL) {
      len = SDL_strlen(result);
-     SDLTest_AssertCheck(len >= 0 && len <= 255, "Validate that result length; expected: len=[1,255], got: %d", len);
+     SDLTest_AssertCheck(len >= 1 && len <= 255, "Validate that result length; expected: len=[1,255], got: %d", (int) len);
      nonAsciiCharacters = 0;
      for (i=0; i<len; i++) {
        if (iscntrl(result[i])) {
@@ -1155,10 +1155,10 @@ sdltest_randomAsciiStringWithMaximumLength(void *arg)
   const char* expectedError = "Parameter 'maxLength' is invalid";
   char* lastError;
   char* result;
-  int targetLen;
+  size_t targetLen;
-  int len;
+  size_t len;
   int nonAsciiCharacters;
-  int i;
+  size_t i;
 
   targetLen = 16 + SDLTest_RandomUint8();
   result = SDLTest_RandomAsciiStringWithMaximumLength(targetLen);
@@ -1166,7 +1166,7 @@ sdltest_randomAsciiStringWithMaximumLength(void *arg)
   SDLTest_AssertCheck(result != NULL, "Validate that result is not NULL");
   if (result != NULL) {
      len = SDL_strlen(result);
-     SDLTest_AssertCheck(len >= 0 && len <= targetLen, "Validate that result length; expected: len=[1,%d], got: %d", targetLen, len);
+     SDLTest_AssertCheck(len >= 1 && len <= targetLen, "Validate that result length; expected: len=[1,%d], got: %d", (int) targetLen, (int) len);
      nonAsciiCharacters = 0;
      for (i=0; i<len; i++) {
        if (iscntrl(result[i])) {
@@ -1208,10 +1208,10 @@ sdltest_randomAsciiStringOfSize(void *arg)
   const char* expectedError = "Parameter 'size' is invalid";
   char* lastError;
   char* result;
-  int targetLen;
+  size_t targetLen;
-  int len;
+  size_t len;
   int nonAsciiCharacters;
-  int i;
+  size_t i;
 
   /* Positive test */
   targetLen = 16 + SDLTest_RandomUint8();
@@ -1220,7 +1220,7 @@ sdltest_randomAsciiStringOfSize(void *arg)
   SDLTest_AssertCheck(result != NULL, "Validate that result is not NULL");
   if (result != NULL) {
      len = SDL_strlen(result);
-     SDLTest_AssertCheck(len == targetLen, "Validate that result length; expected: len=%d, got: %d", targetLen, len);
+     SDLTest_AssertCheck(len == targetLen, "Validate that result length; expected: len=%d, got: %d", (int) targetLen, (int) len);
      nonAsciiCharacters = 0;
      for (i=0; i<len; i++) {
        if (iscntrl(result[i])) {

test/testrumble.c

@@ -54,6 +54,7 @@ main(int argc, char **argv)
     name = NULL;
     index = -1;
     if (argc > 1) {
+        size_t l;
         name = argv[1];
         if ((strcmp(name, "--help") == 0) || (strcmp(name, "-h") == 0)) {
             SDL_Log("USAGE: %s [device]\n"
@@ -63,9 +64,9 @@ main(int argc, char **argv)
             return 0;
         }
 
-        i = strlen(name);
+        l = SDL_strlen(name);
-        if ((i < 3) && isdigit(name[0]) && ((i == 1) || isdigit(name[1]))) {
+        if ((l < 3) && SDL_isdigit(name[0]) && ((l == 1) || SDL_isdigit(name[1]))) {
-            index = atoi(name);
+            index = SDL_atoi(name);
             name = NULL;
         }
     }