Mercurial > hg > nginx-quic
view src/os/unix/ngx_errno.c @ 1009:ee5f21acea76
optimization
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 11 Jan 2007 16:07:38 +0000 |
parents | d4ea69372b94 |
children | 3d8ab5957202 |
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/* * 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