Ruby 3.5.0dev (2025-04-04 revision 085cc6e43473f2a3c81311a07c1fc8efa46c118b)
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}