4 files changed, 39 insertions, 15 deletions

diff --git a/progs/demos/geartrain.c b/progs/demos/geartrain.c
index 8fe405e8076..e6567dd6470 100644
--- a/progs/demos/geartrain.c
+++ b/progs/demos/geartrain.c
@@ -25,6 +25,7 @@
  */
 
 
+#include <assert.h>
 #include <math.h>
 #include <stdlib.h>
 #include <GL/glut.h>
@@ -129,8 +130,10 @@ Clear_Buffers ()
 static void
 LoadTriplet (TDA A)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s %s %s", Buf1, Buf2, Buf3, Buf4);
+    result = fscanf (mainfile, "%s %s %s %s", Buf1, Buf2, Buf3, Buf4);
+    assert(result != EOF);
     A[0] = atof (Buf2);
     A[1] = atof (Buf3);
     A[2] = atof (Buf4);
@@ -140,8 +143,10 @@ LoadTriplet (TDA A)
 static void
 LoadReal (float *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     *a = atof (Buf2);
 }
 
@@ -149,8 +154,10 @@ LoadReal (float *a)
 static void
 LoadInteger (int *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     *a = atoi (Buf2);
 }
 
@@ -158,8 +165,10 @@ LoadInteger (int *a)
 static void
 LoadText (char *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     strcpy (a, Buf2);
 }
 
@@ -177,8 +186,10 @@ getdata (char filename[])
 
     do
     {
+	int result;
 	Clear_Buffers ();
-	fscanf (mainfile, "%s", Buf1);
+	result = fscanf (mainfile, "%s", Buf1);
+	(void) result;
 	if (ferror (mainfile))
 	{
 	    printf ("\nError opening file !\n");
diff --git a/progs/demos/isosurf.c b/progs/demos/isosurf.c
index 2e9dff17261..dd5696507bb 100644
--- a/progs/demos/isosurf.c
+++ b/progs/demos/isosurf.c
@@ -132,9 +132,11 @@ static void read_surface( char *filename )
 
    numverts = 0;
    while (!feof(f) && numverts<maxverts) {
-      fscanf( f, "%f %f %f  %f %f %f",
-	      &data[numverts][0], &data[numverts][1], &data[numverts][2],
-	      &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      int result;
+      result = fscanf( f, "%f %f %f  %f %f %f",
+	               &data[numverts][0], &data[numverts][1], &data[numverts][2],
+	               &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      (void) result;
       numverts++;
    }
    numverts--;
diff --git a/progs/demos/terrain.c b/progs/demos/terrain.c
index be78ea4950f..9ba7b61a63f 100644
--- a/progs/demos/terrain.c
+++ b/progs/demos/terrain.c
@@ -8,6 +8,7 @@
  * based on a Mikael SkiZoWalker's (MoDEL) / France ([email protected]) demo
  */
 
+#include <assert.h>
 #include <stdio.h>
 #include <math.h>
 #include <stdlib.h>
@@ -559,12 +560,14 @@ loadpic(void)
    FILE *FilePic;
    int i, tmp;
    GLenum gluerr;
+   size_t result;
 
    if ((FilePic = fopen("terrain.dat", "r")) == NULL) {
       fprintf(stderr, "Error loading terrain.dat\n");
       exit(-1);
    }
-   fread(bufferter, 256 * 256, 1, FilePic);
+   result = fread(bufferter, 256 * 256, 1, FilePic);
+   assert(result == 1);
    fclose(FilePic);
 
    for (i = 0; i < (256 * 256); i++) {
diff --git a/progs/util/readtex.c b/progs/util/readtex.c
index d1c50a494aa..f6f511481ca 100644
--- a/progs/util/readtex.c
+++ b/progs/util/readtex.c
@@ -9,6 +9,7 @@
 
 #include <GL/gl.h>
 #include <GL/glu.h>
+#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h> 
 #include <string.h>
@@ -89,6 +90,7 @@ static rawImageRec *RawImageOpen(const char *fileName)
    rawImageRec *raw;
    GLenum swapFlag;
    int x;
+   size_t result;
 
    endianTest.testWord = 1;
    if (endianTest.testByte[0] == 1) {
@@ -114,7 +116,8 @@ static rawImageRec *RawImageOpen(const char *fileName)
       }
    }
 
-   fread(raw, 1, 12, raw->file);
+   result = fread(raw, 1, 12, raw->file);
+   assert(result == 12);
 
    if (swapFlag) {
       ConvertShort(&raw->imagic, 1);
@@ -162,8 +165,10 @@ static rawImageRec *RawImageOpen(const char *fileName)
       }
       raw->rleEnd = 512 + (2 * x);
       fseek(raw->file, 512, SEEK_SET);
-      fread(raw->rowStart, 1, x, raw->file);
-      fread(raw->rowSize, 1, x, raw->file);
+      result = fread(raw->rowStart, 1, x, raw->file);
+      assert(result == x);
+      result = fread(raw->rowSize, 1, x, raw->file);
+      assert(result == x);
       if (swapFlag) {
          ConvertLong(raw->rowStart, (long) (x/sizeof(GLuint)));
          ConvertLong((GLuint *)raw->rowSize, (long) (x/sizeof(GLint)));
@@ -193,11 +198,13 @@ static void RawImageGetRow(rawImageRec *raw, unsigned char *buf, int y, int z)
 {
    unsigned char *iPtr, *oPtr, pixel;
    int count, done = 0;
+   size_t result;
 
    if ((raw->type & 0xFF00) == 0x0100) {
       fseek(raw->file, (long) raw->rowStart[y+z*raw->sizeY], SEEK_SET);
-      fread(raw->tmp, 1, (unsigned int)raw->rowSize[y+z*raw->sizeY],
-            raw->file);
+      result = fread(raw->tmp, 1, (unsigned int)raw->rowSize[y+z*raw->sizeY],
+                     raw->file);
+      assert(result == (unsigned int)raw->rowSize[y+z*raw->sizeY]);
       
       iPtr = raw->tmp;
       oPtr = buf;
@@ -222,7 +229,8 @@ static void RawImageGetRow(rawImageRec *raw, unsigned char *buf, int y, int z)
    } else {
       fseek(raw->file, 512+(y*raw->sizeX)+(z*raw->sizeX*raw->sizeY),
             SEEK_SET);
-      fread(buf, 1, raw->sizeX, raw->file);
+      result = fread(buf, 1, raw->sizeX, raw->file);
+      assert(result == raw->sizeX);
    }
 }