Formatting; remove 'loop has empty body' warnings with clang.

I have to admit, I like its grumbling.

git-svn-id: https://svn.eduke32.com/eduke32@2416 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/build/src/cache1d.c

@@ -303,18 +303,26 @@ int32_t addsearchpath(const char *p)
     if (!srch) return -1;
 
     srch->next    = searchpathhead;
-    srch->pathlen = strlen(p)+1;
+    srch->pathlen = Bstrlen(p)+1;
     srch->path    = (char *)Bmalloc(srch->pathlen + 1);
     if (!srch->path)
     {
         Bfree(srch);
         return -1;
     }
-    strcpy(srch->path, p);
+
-    for (s=srch->path; *s; s++) ; s--; if (s<srch->path || toupperlookup[*s] != '/') strcat(srch->path, "/");
+    Bstrcpy(srch->path, p);
+    for (s=srch->path; *s; s++)
+    {
+        /* do nothing */
+    }
+    s--;
+    if (s<srch->path || toupperlookup[*s] != '/')
+        Bstrcat(srch->path, "/");
 
     searchpathhead = srch;
-    if (srch->pathlen > maxsearchpathlen) maxsearchpathlen = srch->pathlen;
+    if (srch->pathlen > maxsearchpathlen)
+        maxsearchpathlen = srch->pathlen;
 
     Bcorrectfilename(srch->path,0);
 
@@ -1061,7 +1069,11 @@ CACHE1D_FIND_REC *klistpath(const char *_path, const char *mask, int32_t type)
 
             // scan for the end of the string and shift
             // everything left a char in the process
-            for (i=1; (buf[i-1]=buf[i]); i++) ; i-=2;
+            for (i=1; (buf[i-1]=buf[i]); i++)
+            {
+                /* do nothing */
+            }
+            i-=2;
 
             // if there's a slash at the end, this is a directory entry
             if (toupperlookup[buf[i]] == '/') { ftype = CACHE1D_FIND_DIR; buf[i] = 0; }

polymer/eduke32/build/src/mdsprite.c

@@ -3021,7 +3021,11 @@ static int32_t loadkvx(const char *filnam)
     vbit = (int32_t *)Bmalloc(i); if (!vbit) { Bfree(xyoffs); kclose(fil); return(-1); }
     memset(vbit,0,i);
 
-    for (vcolhashsizm1=4096; vcolhashsizm1<(mip1leng>>1); vcolhashsizm1<<=1); vcolhashsizm1--; //approx to numvoxs!
+    for (vcolhashsizm1=4096; vcolhashsizm1<(mip1leng>>1); vcolhashsizm1<<=1)
+    {
+        /* do nothing */
+    }
+    vcolhashsizm1--; //approx to numvoxs!
     vcolhashead = (int32_t *)Bmalloc((vcolhashsizm1+1)*sizeof(int32_t)); if (!vcolhashead) { Bfree(xyoffs); kclose(fil); return(-1); }
     memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(int32_t));
 
@@ -3077,7 +3081,11 @@ static int32_t loadkv6(const char *filnam)
     vbit = (int32_t *)Bmalloc(i); if (!vbit) { Bfree(ylen); kclose(fil); return(-1); }
     memset(vbit,0,i);
 
-    for (vcolhashsizm1=4096; vcolhashsizm1<numvoxs; vcolhashsizm1<<=1); vcolhashsizm1--;
+    for (vcolhashsizm1=4096; vcolhashsizm1<numvoxs; vcolhashsizm1<<=1)
+    {
+        /* do nothing */
+    }
+    vcolhashsizm1--;
     vcolhashead = (int32_t *)Bmalloc((vcolhashsizm1+1)*sizeof(int32_t)); if (!vcolhashead) { Bfree(ylen); kclose(fil); return(-1); }
     memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(int32_t));
 

polymer/eduke32/build/src/polymost.c

@@ -2221,8 +2221,16 @@ void drawpoly(double *dpx, double *dpy, int32_t n, int32_t method)
 
         if (!glinfo.texnpot)
         {
-            for (xx=1; xx<tsizx; xx+=xx); ox2 = (double)1.0/(double)xx;
+            for (xx=1; xx<tsizx; xx+=xx)
-            for (yy=1; yy<tsizy; yy+=yy); oy2 = (double)1.0/(double)yy;
+            {
+                /* do nothing */
+            }
+            ox2 = (double)1.0/(double)xx;
+            for (yy=1; yy<tsizy; yy+=yy)
+            {
+                /* do nothing */
+            }
+            oy2 = (double)1.0/(double)yy;
         }
         else
         {