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64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
#include <my_global.h>
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#include <mysql_com.h>
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#include <mysql.h>
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/* Get the length of next field. Change parameter to point at fieldstart */
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ulong STDCALL net_field_length(uchar **packet)
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{
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reg1 uchar *pos= (uchar *)*packet;
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if (*pos < 251)
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{
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(*packet)++;
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return (ulong) *pos;
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}
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if (*pos == 251)
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{
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(*packet)++;
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return NULL_LENGTH;
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}
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if (*pos == 252)
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{
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(*packet)+=3;
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return (ulong) uint2korr(pos+1);
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}
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if (*pos == 253)
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{
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(*packet)+=4;
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return (ulong) uint3korr(pos+1);
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}
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(*packet)+=9; /* Must be 254 when here */
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return (ulong) uint4korr(pos+1);
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}
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/* The same as above but returns longlong */
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my_ulonglong net_field_length_ll(uchar **packet)
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{
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reg1 uchar *pos= *packet;
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if (*pos < 251)
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{
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(*packet)++;
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return (my_ulonglong) *pos;
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}
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if (*pos == 251)
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{
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(*packet)++;
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return (my_ulonglong) NULL_LENGTH;
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}
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if (*pos == 252)
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{
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(*packet)+=3;
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return (my_ulonglong) uint2korr(pos+1);
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}
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if (*pos == 253)
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{
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(*packet)+=4;
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return (my_ulonglong) uint3korr(pos+1);
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}
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(*packet)+=9; /* Must be 254 when here */
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#ifdef NO_CLIENT_LONGLONG
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return (my_ulonglong) uint4korr(pos+1);
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#else
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return (my_ulonglong) uint8korr(pos+1);
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#endif
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}
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