view src/os/unix/ngx_errno.c @ 116:e38f51cd0905 NGINX_0_3_5

nginx 0.3.5 *) Bugfix: the segmentation fault may occurred if the IMAP/POP3 login was changed by authorization server; bug appeared in 0.2.2. *) Bugfix: the accept mutex did not work and all connections were handled by one process; bug appeared in 0.3.3. *) Bugfix: the timeout did not work if the "rtsig" method and the "timer_resolution" directive were used.
author Igor Sysoev <http://sysoev.ru>
date Fri, 21 Oct 2005 00:00:00 +0400
parents 72eb30262aac
children 88d3e895bdf9
line wrap: on
line source


/*
 * Copyright (C) Igor Sysoev
 */


#include <ngx_config.h>
#include <ngx_core.h>


#if (NGX_HAVE_STRERROR_R)

u_char *ngx_strerror_r(int err, u_char *errstr, size_t size)
{
    if (size == 0) {
        return 0;
    }

    errstr[0] = '\0';

    strerror_r(err, (char *) errstr, size);

    while (*errstr && size) {
        errstr++;
        size--;
    }

    return errstr;
}

#elif (NGX_HAVE_GNU_STRERROR_R)

/* Linux strerror_r() */

u_char *ngx_strerror_r(int err, u_char *errstr, size_t size)
{
    char  *str;

    if (size == 0) {
        return 0;
    }

    errstr[0] = '\0';

    str = strerror_r(err, (char *) errstr, size);

    if (str != (char *) errstr) {
        return ngx_cpystrn(errstr, (u_char *) str, size);
    }

    while (*errstr && size) {
        errstr++;
        size--;
    }

    return errstr;
}

#endif