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21 lines
507 B
C
21 lines
507 B
C
#include <rp6502.h>
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#include <unistd.h>
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int __fastcall__ read (int fildes, void* buf, unsigned count)
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{
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int total = 0;
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while (count) {
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unsigned blockcount = (count > 512) ? 512 : count;
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int bytes_read = read_xstack (&((char*)buf)[total], blockcount, fildes);
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if (bytes_read < 0) {
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return bytes_read;
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}
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total += bytes_read;
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count -= bytes_read;
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if (bytes_read < blockcount) {
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break;
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}
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}
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return total;
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}
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