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/*
* strerror.c
*/
#include <string.h>
char *strerror(int errnum)
{
static char message[32] = "error "; /* enough for error 2^63-1 */
char numbuf[32];
char *p;
unsigned int e = (unsigned int)errnum;
extern const int sys_nerr;
extern const char *const sys_errlist[];
if (e < (unsigned int)sys_nerr && sys_errlist[e])
return (char *)sys_errlist[e];
p = numbuf + sizeof numbuf;
*--p = '\0';
do {
*--p = (e % 10) + '0';
e /= 10;
} while (e);
memcpy(message + 6, p, (numbuf + sizeof numbuf) - p);
return message;
}
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