Mercurial > hg > nginx-quic
diff src/os/unix/ngx_files.c @ 73:4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 10 Apr 2003 15:08:54 +0000 |
parents | 79c1fce18e71 |
children | 17ab1af8c3dd |
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--- a/src/os/unix/ngx_files.c +++ b/src/os/unix/ngx_files.c @@ -12,7 +12,7 @@ ssize_t ngx_read_file(ngx_file_t *file, n = pread(file->fd, buf, size, offset); if (n == -1) { - ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "read() failed"); + ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "pread() failed"); return NGX_ERROR; } @@ -21,6 +21,30 @@ ssize_t ngx_read_file(ngx_file_t *file, return n; } + +ssize_t ngx_write_file(ngx_file_t *file, char *buf, size_t size, off_t offset) +{ + ssize_t n; + + n = pwrite(file->fd, buf, size, offset); + + if (n == -1) { + ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "pwrite() failed"); + return NGX_ERROR; + } + + if (n != size) { + ngx_log_error(NGX_LOG_ERR, file->log, 0, + "pwrite() has written only %d of %d", n, size); + return NGX_ERROR; + } + + file->offset += n; + + return n; +} + + #if 0 ssize_t ngx_read_file(ngx_file_t *file, char *buf, size_t size, off_t offset)