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progs/redbook: Silence warn_unused_result warnings.

This commit is contained in:
Vinson Lee 2010-02-20 01:34:16 -08:00
parent 5fd84e0246
commit 6cfdb61f73
3 changed files with 22 additions and 9 deletions
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10
progs/redbook/convolution.c
View File

@ -75,6 +75,7 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
{
int n;
GLubyte* pixels;
size_t num_read;
FILE* infile = fopen( filename, "rb" );
@ -83,8 +84,10 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
exit(1);
}
fread( width, sizeof( GLsizei ), 1, infile );
fread( height, sizeof( GLsizei ), 1, infile );
num_read = fread( width, sizeof( GLsizei ), 1, infile );
assert(num_read == 1);
num_read = fread( height, sizeof( GLsizei ), 1, infile );
assert(num_read == 1);
*width = bswap(*width);
*height = bswap(*height);
@ -101,7 +104,8 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
return NULL;
}
fread( pixels, sizeof( GLubyte ), n, infile );
num_read = fread( pixels, sizeof( GLubyte ), n, infile );
assert(num_read == n);
fclose( infile );

10
progs/redbook/histogram.c
View File

@ -83,6 +83,7 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
{
int n;
GLubyte* pixels;
size_t num_read;
FILE* infile = fopen( filename, "rb" );
@ -91,8 +92,10 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
exit(1);
}
fread( width, sizeof( GLsizei ), 1, infile );
fread( height, sizeof( GLsizei ), 1, infile );
num_read = fread( width, sizeof( GLsizei ), 1, infile );
assert(num_read == 1);
num_read = fread( height, sizeof( GLsizei ), 1, infile );
assert(num_read == 1);
*width = bswap(*width);
*height = bswap(*height);
@ -106,7 +109,8 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
return NULL;
}
fread( pixels, sizeof( GLubyte ), n, infile );
num_read = fread( pixels, sizeof( GLubyte ), n, infile );
assert(num_read == n);
fclose( infile );

11
progs/redbook/minmax.c
View File

@ -47,6 +47,7 @@
*/
#include <GL/glew.h>
#include <GL/glut.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
@ -78,6 +79,7 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
{
int n;
GLubyte* pixels;
size_t num_read;
FILE* infile = fopen( filename, "rb" );
@ -86,8 +88,10 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
return NULL;
}
fread( width, sizeof( GLsizei ), 1, infile );
fread( height, sizeof( GLsizei ), 1, infile );
num_read = fread( width, sizeof( GLsizei ), 1, infile );
assert(num_read == 1);
num_read = fread( height, sizeof( GLsizei ), 1, infile );
assert(num_read == 1);
*width = bswap(*width);
*height = bswap(*height);
@ -101,7 +105,8 @@ readImage( const char* filename, GLsizei* width, GLsizei *height )
return NULL;
}
fread( pixels, sizeof( GLubyte ), n, infile );
num_read = fread( pixels, sizeof( GLubyte ), n, infile );
assert(num_read == n);
fclose( infile );