32 lines
640 B
C
32 lines
640 B
C
#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include <cpm.h>
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#include "cpmsys.h"
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int close(int fd)
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{
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struct FCBE* fcbe = &__fd[fd];
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int result = 0;
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uint8_t olduser;
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__init_file_descriptors();
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if (fcbe->fcb.f[0])
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{
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/* There's an actual filename here, so assume it's an open file. */
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olduser = cpm_get_user();
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cpm_set_user(fcbe->user);
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if (cpm_close_file(&fcbe->fcb) == 0xff)
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{
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errno = EIO;
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result = -1;
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}
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cpm_set_user(olduser);
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}
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memset(fcbe, 0, sizeof(struct FCBE));
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return result;
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}
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