Ruby 3.1.3p185 (2022-11-24 revision 1a6b16756e0ba6b95ab71a441357ed5484e33498)
strerror.c
1/* public domain rewrite of strerror(3) */
2
3#include "ruby/missing.h"
4
5extern int sys_nerr;
6extern char *sys_errlist[];
7
8static char msg[50];
9
10char *
11strerror(int error)
12{
13 if (error <= sys_nerr && error > 0) {
14 return sys_errlist[error];
15 }
16 snprintf(msg, sizeof(msg), "Unknown error (%d)", error);
17 return msg;
18}