1 files changed, 43 insertions, 8 deletions

diff --git a/progs/util/readtex.c b/progs/util/readtex.c
index 8e923b6eb4..f6f511481c 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) {
@@ -109,14 +111,21 @@ static rawImageRec *RawImageOpen(const char *fileName)
          raw->file = fopen(baseName + 1, "rb");
       if(raw->file == NULL) {
          perror(fileName);
+         free(raw);
          return NULL;
       }
    }
 
-   fread(raw, 1, 12, raw->file);
+   result = fread(raw, 1, 12, raw->file);
+   assert(result == 12);
 
    if (swapFlag) {
-      ConvertShort(&raw->imagic, 6);
+      ConvertShort(&raw->imagic, 1);
+      ConvertShort(&raw->type, 1);
+      ConvertShort(&raw->dim, 1);
+      ConvertShort(&raw->sizeX, 1);
+      ConvertShort(&raw->sizeY, 1);
+      ConvertShort(&raw->sizeZ, 1);
    }
 
    raw->tmp = (unsigned char *)malloc(raw->sizeX*256);
@@ -129,6 +138,12 @@ static rawImageRec *RawImageOpen(const char *fileName)
    if (raw->tmp == NULL || raw->tmpR == NULL || raw->tmpG == NULL ||
        raw->tmpB == NULL) {
       fprintf(stderr, "Out of memory!\n");
+      free(raw->tmp);
+      free(raw->tmpR);
+      free(raw->tmpG);
+      free(raw->tmpB);
+      free(raw->tmpA);
+      free(raw);
       return NULL;
    }
 
@@ -138,12 +153,22 @@ static rawImageRec *RawImageOpen(const char *fileName)
       raw->rowSize = (GLint *)malloc(x);
       if (raw->rowStart == NULL || raw->rowSize == NULL) {
          fprintf(stderr, "Out of memory!\n");
+         free(raw->tmp);
+         free(raw->tmpR);
+         free(raw->tmpG);
+         free(raw->tmpB);
+         free(raw->tmpA);
+         free(raw->rowStart);
+         free(raw->rowSize);
+         free(raw);
          return NULL;
       }
       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)));
@@ -173,11 +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;
@@ -202,7 +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);
    }
 }
 
@@ -215,6 +243,7 @@ static void RawImageGetData(rawImageRec *raw, TK_RGBImageRec *final)
    final->data = (unsigned char *)malloc((raw->sizeX+1)*(raw->sizeY+1)*4);
    if (final->data == NULL) {
       fprintf(stderr, "Out of memory!\n");
+      return;
    }
 
    ptr = final->data;
@@ -250,6 +279,7 @@ static TK_RGBImageRec *tkRGBImageLoad(const char *fileName)
    final = (TK_RGBImageRec *)malloc(sizeof(TK_RGBImageRec));
    if (final == NULL) {
       fprintf(stderr, "Out of memory!\n");
+      RawImageClose(raw);
       return NULL;
    }
    final->sizeX = raw->sizeX;
@@ -305,6 +335,7 @@ GLboolean LoadRGBMipmaps2( const char *imageFile, GLenum target,
       fprintf(stderr,
               "Error in LoadRGBMipmaps %d-component images not implemented\n",
               image->components );
+      FreeImage(image);
       return GL_FALSE;
    }
 
@@ -356,6 +387,7 @@ GLubyte *LoadRGBImage( const char *imageFile, GLint *width, GLint *height,
       fprintf(stderr,
               "Error in LoadRGBImage %d-component images not implemented\n",
               image->components );
+      FreeImage(image);
       return NULL;
    }
 
@@ -364,8 +396,10 @@ GLubyte *LoadRGBImage( const char *imageFile, GLint *width, GLint *height,
 
    bytes = image->sizeX * image->sizeY * image->components;
    buffer = (GLubyte *) malloc(bytes);
-   if (!buffer)
+   if (!buffer) {
+      FreeImage(image);
       return NULL;
+   }
 
    memcpy( (void *) buffer, (void *) image->data, bytes );
 
@@ -438,6 +472,7 @@ GLushort *LoadYUVImage( const char *imageFile, GLint *width, GLint *height )
       fprintf(stderr,
               "Error in LoadYUVImage %d-component images not implemented\n",
               image->components );
+      FreeImage(image);
       return NULL;
    }