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43 lines
845 B
C
Executable File
43 lines
845 B
C
Executable File
#include"bio.h"
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#include"errno.h"
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#include"err.h"
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#include"cryptlib.h"
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#include"bio_lcl.h"
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#define MS_CALLBACK //samyang modify
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////////////////BIO_read/////////////////////////ok
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int BIO_read(BIO *b, void *out, int outl)
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{
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int i;
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long (*cb)(BIO *,int,const char *,int,long,long);
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if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL))
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{
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BIOerr(BIO_F_BIO_READ,BIO_R_UNSUPPORTED_METHOD);
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return(-2);
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}
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cb=b->callback;
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if ((cb != NULL) &&
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((i=(int)cb(b,BIO_CB_READ,out,outl,0L,1L)) <= 0))
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return(i);
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if (!b->init)
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{
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BIOerr(BIO_F_BIO_READ,BIO_R_UNINITIALIZED);
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return(-2);
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}
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i=b->method->bread(b,out,outl);
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if (i > 0) b->num_read+=(unsigned long)i;
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if (cb != NULL)
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i=(int)cb(b,BIO_CB_READ|BIO_CB_RETURN,out,outl,
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0L,(long)i);
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return(i);
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}
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