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/*
* Copyright (C) Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
#if (HAVE_STRERROR_R)
ngx_int_t ngx_strerror_r(int err, char *errstr, size_t size)
{
size_t len;
if (size == 0) {
return 0;
}
errstr[0] = '\0';
strerror_r(err, errstr, size);
for (len = 0; len < size; len++) {
if (errstr[len] == '\0') {
break;
}
}
return len;
}
#elif (HAVE_GNU_STRERROR_R)
/* Linux strerror_r() */
ngx_int_t ngx_strerror_r(int err, char *errstr, size_t size)
{
char *str;
size_t len;
if (size == 0) {
return 0;
}
errstr[0] = '\0';
str = strerror_r(err, errstr, size);
if (str != errstr) {
return ngx_cpystrn(errstr, str, size) - (u_char *) errstr;
}
for (len = 0; len < size; len++) {
if (errstr[len] == '\0') {
break;
}
}
return len;
}
#endif
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