30 lines
705 B
C
30 lines
705 B
C
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#include "errno.h"
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#include "vsprintf.h"
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/* Global "last error" number */
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int errno;
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static struct errortab errortab_start[0] __table_start(errortab);
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static struct errortab errortab_end[0] __table_end(errortab);
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/*
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* Retrieve string representation of error number.
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*
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* If error not found in the error table, generate a generic "Error
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* 0x0000" message.
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*
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*/
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const char * strerror ( int errno ) {
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static char *generic_message = "Error 0x0000";
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struct errortab *errortab;
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for ( errortab = errortab_start ; errortab < errortab_end ;
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errortab++ ) {
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if ( errortab->errno == errno )
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return errortab->text;
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}
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sprintf ( generic_message + 8, "%hx", errno );
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return generic_message;
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}
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