Port opus-tools check to see if underlying file was overwritten.

[platform/upstream/libvorbis.git] / lib / tone.c

diff --git a/lib/tone.c b/lib/tone.c
index 8594a3a..5b8b020 100644 (file)
--- a/lib/tone.c
+++ b/lib/tone.c
@@ -12,21 +12,21 @@ int main (int argc,char *argv[]){
   int i,j;
   double *f;
   double *amp;
-  
+
   if(argc<2)usage();
 
-  f=alloca(sizeof(float)*(argc-1));
-  amp=alloca(sizeof(float)*(argc-1));
+  f=alloca(sizeof(*f)*(argc-1));
+  amp=alloca(sizeof(*amp)*(argc-1));
 
   i=0;
   while(argv[i+1]){
     char *pos=strchr(argv[i+1],',');
-    
+
     f[i]=atof(argv[i+1]);
     if(pos)
-      amp[i]=atof(pos+1)*32767.;
+      amp[i]=atof(pos+1)*32767.f;
     else
-      amp[i]=32767.;
+      amp[i]=32767.f;
 
     fprintf(stderr,"%g Hz, %g amp\n",f[i],amp[i]);
 
@@ -37,17 +37,17 @@ int main (int argc,char *argv[]){
     float val=0;
     int ival;
     for(j=0;j<argc-1;j++)
-      val+=amp[j]*sin(i/44100.*f[j]*2*M_PI);
+      val+=amp[j]*sin(i/44100.f*f[j]*2*M_PI);
     ival=rint(val);
 
-    if(ival>32767.)ival=32767.;
-    if(ival<-32768.)ival=-32768.;
+    if(ival>32767.f)ival=32767.f;
+    if(ival<-32768.f)ival=-32768.f;
 
     fprintf(stdout,"%c%c%c%c",
-           (char)(ival&0xff),
-           (char)((ival>>8)&0xff),
-           (char)(ival&0xff),
-           (char)((ival>>8)&0xff));
+            (char)(ival&0xff),
+            (char)((ival>>8)&0xff),
+            (char)(ival&0xff),
+            (char)((ival>>8)&0xff));
   }
   return(0);
 }