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21 lines
442 B
C
21 lines
442 B
C
#include "byte.h"
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#include "buffer.h"
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ssize_t buffer_get(buffer* b,char* x,size_t len) {
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ssize_t done;
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ssize_t blen;
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done=0;
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if ((ssize_t)len < 0) len=(ssize_t)(((size_t)-1)>>1);
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while (len) {
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if ((blen=buffer_feed(b))<=0) return blen;
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if (blen>=(ssize_t)len)
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blen=(ssize_t)len;
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byte_copy(x,(size_t)blen,b->x+b->p);
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b->p+=(size_t)blen;
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len-=(size_t)blen;
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x+=blen;
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done+=blen;
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}
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return done;
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}
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