diff options
| -rw-r--r-- | progs/redbook/convolution.c | 10 | ||||
| -rw-r--r-- | progs/redbook/histogram.c | 10 | ||||
| -rw-r--r-- | progs/redbook/minmax.c | 11 |
3 files changed, 22 insertions, 9 deletions
diff --git a/progs/redbook/convolution.c b/progs/redbook/convolution.c index 0898ef25e1..c04a8727a7 100644 --- a/progs/redbook/convolution.c +++ b/progs/redbook/convolution.c @@ -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 ); diff --git a/progs/redbook/histogram.c b/progs/redbook/histogram.c index 70a5282577..12b0e315ca 100644 --- a/progs/redbook/histogram.c +++ b/progs/redbook/histogram.c @@ -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 ); diff --git a/progs/redbook/minmax.c b/progs/redbook/minmax.c index 8281800ba4..2c1356c9de 100644 --- a/progs/redbook/minmax.c +++ b/progs/redbook/minmax.c @@ -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 ); |