14685d6595
when _syserrno() fails to map a plan9 error string to a unix error number, we copy the plan9 error string to the per process error buffer "plan9err" and set errno = EPLAN9. when strerror() is called with EPLAN9, it returns a pointer to the plan9err buffer.
17 lines
224 B
C
17 lines
224 B
C
#include <stdarg.h>
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#include <errno.h>
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#include "fmt.h"
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extern char *_plan9err;
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void
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werrstr(const char *fmt, ...)
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{
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va_list arg;
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va_start(arg, fmt);
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snprint(_plan9err, 128, fmt, arg);
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va_end(arg);
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errno = EPLAN9;
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}
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