51 lines
678 B
C
51 lines
678 B
C
#include <stdlib.h>
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#include <errno.h>
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#include <sgtty.h>
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#include "libsys.h"
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extern struct
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{
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int fd;
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const char* buffer;
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size_t count;
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} _sys_params_in;
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extern struct
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{
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size_t byteswritten;
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} _sys_params_out;
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#define P _sys_params_in
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void _sys_write_tty(char c)
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{
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_sys_rawwrite(c);
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if ((c == '\n') && !(_sys_ttyflags & RAW))
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_sys_rawwrite('\r');
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}
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int _sys_write(void)
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{
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int i;
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/* We're only allowed to write to fd 0, 1 or 2. */
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if ((P.fd < 0) || (P.fd > 2))
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return EBADF;
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/* Write all data. */
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i = 0;
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while (i < P.count)
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{
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_sys_write_tty(*P.buffer++);
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i++;
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}
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/* No failures. */
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_sys_params_out.byteswritten = P.count;
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return 0;
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}
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