Fix several harmless compiler warnings. Fix a couple compiler issues with the shell.

FossilOrigin-Name: 8917e9f9a0802cbfb6f33e2ab1c2f98e4df5babd

6 files changed, 15 insertions, 15 deletions

diff --git a/src/expr.c b/src/expr.c
index dd4f5de15..aa6f27543 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1278,7 +1278,7 @@ int sqlite3ExprIsInteger(Expr *p, int *pValue){
     case TK_UMINUS: {
       int v;
       if( sqlite3ExprIsInteger(p->pLeft, &v) ){
-        assert( v!=-2147483648 );
+        assert( v!=(-2147483647-1) );
         *pValue = -v;
         rc = 1;
       }
diff --git a/src/mem2.c b/src/mem2.c
index 26448ea8a..d461dffab 100644
--- a/src/mem2.c
+++ b/src/mem2.c
@@ -179,7 +179,7 @@ static int sqlite3MemSize(void *p){
     return 0;
   }
   pHdr = sqlite3MemsysGetHeader(p);
-  return pHdr->iSize;
+  return (int)pHdr->iSize;
 }
 
 /*
@@ -221,7 +221,7 @@ static void randomFill(char *pBuf, int nByte){
   x = SQLITE_PTR_TO_INT(pBuf);
   y = nByte | 1;
   while( nByte >= 4 ){
-    x = (x>>1) ^ (-(x&1) & 0xd0000001);
+    x = (x>>1) ^ (-(int)(x&1) & 0xd0000001);
     y = y*1103515245 + 12345;
     r = x ^ y;
     *(int*)pBuf = r;
@@ -229,7 +229,7 @@ static void randomFill(char *pBuf, int nByte){
     nByte -= 4;
   }
   while( nByte-- > 0 ){
-    x = (x>>1) ^ (-(x&1) & 0xd0000001);
+    x = (x>>1) ^ (-(int)(x&1) & 0xd0000001);
     y = y*1103515245 + 12345;
     r = x ^ y;
     *(pBuf++) = r & 0xff;
@@ -324,9 +324,9 @@ static void sqlite3MemFree(void *pPrior){
   }
   z = (char*)pBt;
   z -= pHdr->nTitle;
-  adjustStats(pHdr->iSize, -1);
+  adjustStats((int)pHdr->iSize, -1);
   randomFill(z, sizeof(void*)*pHdr->nBacktraceSlots + sizeof(*pHdr) +
-                pHdr->iSize + sizeof(int) + pHdr->nTitle);
+                (int)pHdr->iSize + sizeof(int) + pHdr->nTitle);
   free(z);
   sqlite3_mutex_leave(mem.mutex);  
 }
@@ -350,7 +350,7 @@ static void *sqlite3MemRealloc(void *pPrior, int nByte){
   if( pNew ){
     memcpy(pNew, pPrior, nByte<pOldHdr->iSize ? nByte : pOldHdr->iSize);
     if( nByte>pOldHdr->iSize ){
-      randomFill(&((char*)pNew)[pOldHdr->iSize], nByte - pOldHdr->iSize);
+      randomFill(&((char*)pNew)[pOldHdr->iSize], nByte - (int)pOldHdr->iSize);
     }
     sqlite3MemFree(pPrior);
   }
@@ -465,7 +465,7 @@ void sqlite3MemdebugSync(){
   for(pHdr=mem.pFirst; pHdr; pHdr=pHdr->pNext){
     void **pBt = (void**)pHdr;
     pBt -= pHdr->nBacktraceSlots;
-    mem.xBacktrace(pHdr->iSize, pHdr->nBacktrace-1, &pBt[1]);
+    mem.xBacktrace((int)pHdr->iSize, pHdr->nBacktrace-1, &pBt[1]);
   }
 }
 
diff --git a/src/mutex_w32.c b/src/mutex_w32.c
index 27d10af5b..f89a611b6 100644
--- a/src/mutex_w32.c
+++ b/src/mutex_w32.c
@@ -107,7 +107,7 @@ static int winMutex_isInit = 0;
 ** processing, the "interlocked" magic is probably not
 ** strictly necessary.
 */
-static long winMutex_lock = 0;
+static LONG winMutex_lock = 0;
 
 void sqlite3_win32_sleep(DWORD milliseconds); /* os_win.c */
 
diff --git a/src/shell.c b/src/shell.c
index 64c17ed05..093b58bc2 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -71,12 +71,12 @@
 /* Make sure isatty() has a prototype.
 */
 extern int isatty(int);
-#endif
 
 /* popen and pclose are not C89 functions and so are sometimes omitted from
 ** the <stdio.h> header */
-FILE *popen(const char*,const char*);
-int pclose(FILE*);
+extern FILE *popen(const char*,const char*);
+extern int pclose(FILE*);
+#endif
 
 #if defined(_WIN32_WCE)
 /* Windows CE (arm-wince-mingw32ce-gcc) does not provide isatty()
@@ -554,7 +554,7 @@ static void output_c_string(FILE *out, const char *z){
     }else if( c=='\r' ){
       fputc('\\', out);
       fputc('r', out);
-    }else if( !isprint(c) ){
+    }else if( !isprint(c&0xff) ){
       fprintf(out, "\\%03o", c&0xff);
     }else{
       fputc(c, out);
diff --git a/src/test_malloc.c b/src/test_malloc.c
index 2e31f0833..f513e24bf 100644
--- a/src/test_malloc.c
+++ b/src/test_malloc.c
@@ -749,7 +749,7 @@ static void test_memdebug_callback(int nByte, int nFrame, void **aFrame){
     int isNew;
 
     int aKey[MALLOC_LOG_KEYINTS];
-    int nKey = sizeof(int)*MALLOC_LOG_KEYINTS;
+    unsigned int nKey = sizeof(int)*MALLOC_LOG_KEYINTS;
 
     memset(aKey, 0, nKey);
     if( (sizeof(void*)*nFrame)<nKey ){
diff --git a/src/where.c b/src/where.c
index 05e6824f0..5daac14bc 100644
--- a/src/where.c
+++ b/src/where.c
@@ -3030,7 +3030,7 @@ static int codeAllEqualityTerms(
 
   /* Evaluate the equality constraints
   */
-  assert( zAff==0 || strlen(zAff)>=nEq );
+  assert( zAff==0 || (int)strlen(zAff)>=nEq );
   for(j=0; j<nEq; j++){
     int r1;
     pTerm = pLoop->aLTerm[j];