39 lines
536 B
C
39 lines
536 B
C
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/* $Source$
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* $State$
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* $Revision$
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*/
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <cpm.h>
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int read(int fd, void* buffer, size_t count)
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{
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char i;
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/* We're only allowed to read from fd 0, 1 or 2. */
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if ((fd < 0) || (fd > 2))
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{
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errno = EBADF;
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return -1;
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}
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/* Empty buffer? */
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if (count == 0)
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return 0;
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/* Read one byte. */
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cpm_bc_register = CPM_BDOS_CONSOLE_INPUT;
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cpm_bdos();
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if (cpm_a_register == '\r')
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cpm_a_register = '\n';
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*(char*)buffer = cpm_a_register;
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return 1;
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}
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