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Error using sscanf

 
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Ghoti



Joined: 31 Dec 2005
Posts: 288
PostPosted: Mon Sep 04, 2006 12:44 am    Post subject: Error using sscanf Reply with quote
Hi folks,

I get this err when trying to use sscanf:
Code:
warning: format '%f' expects type 'float *', but argument 3 has type 'double'


with this code:
Code:
sscanf((ReadBuffer+2), "%f%f%f",tmpObj->m_Vertices[ vc ].x, tmpObj->m_Vertices[ vc ].y, tmpObj->m_Vertices[ vc ].z);

the wierd thing is that the m_Vertices is a float however for somereason it is not taken that way. Why is that?

here the code i use to create the tmpObj:

Code:
typedef struct { float x, y, z; } ObjVertex;   // the vertex
   typedef struct { float x, y, z;   } ObjNormal;   // the normal
   typedef struct { float u, v;   } ObjTexCoord;   // texture coordinates
   typedef struct {
      unsigned int   *m_aVertexIndices,
                  *m_aNormalIndices,
                  *m_aTexCoordIndices;
      unsigned int    m_iVertexCount;
   } ObjFace;                              // face

   
   typedef struct _Mesh {
      unsigned int   iNumberOfGroups;
      ObjVertex      *m_Vertices;
      ObjNormal      *m_Normals;
      ObjTexCoord      *m_TexCoords;
      ObjFace         *m_Faces;
      unsigned int   *iSplit;
      unsigned int    m_iNumberOfVertices,
                   m_iNumberOfNormals,
                   m_iNumberOfTexCoords,
                   m_iNumberOfFaces;
   } Mesh;
The tmpObj is a struct Mesh

any ideas?
_________________
My PSP games:

Boxy II: http://www.ghoti.nl/boxyii.php
Elementals: http://www.ghoti.nl/Elementals.php
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Aion



Joined: 24 Jul 2006
Posts: 40
Location: Montreal
PostPosted: Mon Sep 04, 2006 1:31 am    Post subject: Reply with quote
You're passing the float value, not the adress of the variable.

Try this : &tmpObj->m_Vertices[ vc ].x instead.
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Ghoti



Joined: 31 Dec 2005
Posts: 288
PostPosted: Tue Sep 05, 2006 10:34 pm    Post subject: Reply with quote
thanks it worked like a charm.
_________________
My PSP games:

Boxy II: http://www.ghoti.nl/boxyii.php
Elementals: http://www.ghoti.nl/Elementals.php
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