Ruby: missing/strerror.c Source File

Ruby 4.0.6p0 (2026-07-14 revision 03b6d3f8898a28604fe6cb00eae3226b821168f4)

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}