29 lines
576 B
C
29 lines
576 B
C
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#include <sys/stat.h>
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#include <stdio.h>
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#include "stl.h"
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/* load a STL file and return a pointer to the stl_t struct */
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stl_t * stl_load(const char * filename)
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{
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struct stat s;
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if (stat(filename, &s))
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return NULL;
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int size = s.st_size;
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if (size < sizeof(stl_t))
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return NULL;
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FILE *fil;
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if ((fil = fopen(filename, "rb")) == NULL)
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return NULL;
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stl_t * stl = (stl_t *) malloc(s.st_size);
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fread(stl, 1, s.st_size, fil);
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fclose(fil);
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if (s.st_size <
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sizeof(stl_t) + sizeof(stl_face_t) * (stl_num_faces(stl)-1))
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{
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free(stl);
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return NULL;
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}
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return stl;
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}
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