Introduction of simple ngx_write_stderr() instead of ngx_log_stderr()

for output of ./configure options, etc., since ngx_log_stderr() output
length is limited by 2048 characters defined as NGX_MAX_ERROR_STR.

4 files changed, 38 insertions, 18 deletions

diff --git a/src/core/nginx.c b/src/core/nginx.c
index da32c1a50..9e00a2d86 100644
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -214,47 +214,49 @@ main(int argc, char *const *argv)
     }
 
     if (ngx_show_version) {
-        ngx_log_stderr(0, "nginx version: " NGINX_VER);
+        ngx_write_stderr("nginx version: " NGINX_VER NGX_LINEFEED);
 
         if (ngx_show_help) {
-            ngx_log_stderr(0,
+            ngx_write_stderr(
                 "Usage: nginx [-?hvVtq] [-s signal] [-c filename] "
-                             "[-p prefix] [-g directives]" CRLF CRLF
-                "Options:" CRLF
-                "  -?,-h         : this help" CRLF
-                "  -v            : show version and exit" CRLF
+                             "[-p prefix] [-g directives]" NGX_LINEFEED
+                             NGX_LINEFEED
+                "Options:" NGX_LINEFEED
+                "  -?,-h         : this help" NGX_LINEFEED
+                "  -v            : show version and exit" NGX_LINEFEED
                 "  -V            : show version and configure options then exit"
-                                   CRLF
-                "  -t            : test configuration and exit" CRLF
+                                   NGX_LINEFEED
+                "  -t            : test configuration and exit" NGX_LINEFEED
                 "  -q            : suppress non-error messages "
-                                   "during configuration testing" CRLF
+                                   "during configuration testing" NGX_LINEFEED
                 "  -s signal     : send signal to a master process: "
-                                   "stop, quit, reopen, reload" CRLF
+                                   "stop, quit, reopen, reload" NGX_LINEFEED
 #ifdef NGX_PREFIX
                 "  -p prefix     : set prefix path (default: "
-                                   NGX_PREFIX ")" CRLF
+                                   NGX_PREFIX ")" NGX_LINEFEED
 #else
-                "  -p prefix     : set prefix path (default: NONE)" CRLF
+                "  -p prefix     : set prefix path (default: NONE)" NGX_LINEFEED
 #endif
                 "  -c filename   : set configuration file (default: "
-                                   NGX_CONF_PATH ")" CRLF
+                                   NGX_CONF_PATH ")" NGX_LINEFEED
                 "  -g directives : set global directives out of configuration "
-                                   "file" CRLF
+                                   "file" NGX_LINEFEED NGX_LINEFEED
                 );
         }
 
         if (ngx_show_configure) {
+            ngx_write_stderr(
 #ifdef NGX_COMPILER
-            ngx_log_stderr(0, "built by " NGX_COMPILER);
+                "built by " NGX_COMPILER NGX_LINEFEED
 #endif
 #if (NGX_SSL)
 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
-            ngx_log_stderr(0, "TLS SNI support enabled");
+                "TLS SNI support enabled" NGX_LINEFEED
 #else
-            ngx_log_stderr(0, "TLS SNI support disabled");
+                "TLS SNI support disabled" NGX_LINEFEED
 #endif
 #endif
-            ngx_log_stderr(0, "configure arguments:" NGX_CONFIGURE);
+                "configure arguments:" NGX_CONFIGURE NGX_LINEFEED);
         }
 
         if (!ngx_test_config) {
diff --git a/src/core/ngx_log.h b/src/core/ngx_log.h
index 1054836f1..a55ef449c 100644
--- a/src/core/ngx_log.h
+++ b/src/core/ngx_log.h
@@ -203,6 +203,22 @@ void ngx_cdecl ngx_log_stderr(ngx_err_t err, const char *fmt, ...);
 u_char *ngx_log_errno(u_char *buf, u_char *last, ngx_err_t err);
 
 
+/*
+ * ngx_write_stderr() cannot be implemented as macro, since
+ * MSVC does not allow to use #ifdef inside macro parameters.
+ *
+ * ngx_write_fd() is used instead of ngx_write_console(), since
+ * CharToOemBuff() inside ngx_write_console() cannot be used with
+ * read only buffer as destination and CharToOemBuff() is not needed
+ * for ngx_write_stderr() anyway.
+ */
+static ngx_inline void
+ngx_write_stderr(char *text)
+{
+    (void) ngx_write_fd(ngx_stderr, text, strlen(text));
+}
+
+
 extern ngx_module_t  ngx_errlog_module;
 extern ngx_uint_t    ngx_use_stderr;
 
diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h
index af41ea38e..7c7f1fcd3 100644
--- a/src/os/unix/ngx_files.h
+++ b/src/os/unix/ngx_files.h
@@ -128,6 +128,7 @@ ngx_write_fd(ngx_fd_t fd, void *buf, size_t n)
 
 #define ngx_linefeed(p)          *p++ = LF;
 #define NGX_LINEFEED_SIZE        1
+#define NGX_LINEFEED             "\x0a"
 
 
 #define ngx_rename_file(o, n)    rename((const char *) o, (const char *) n)
diff --git a/src/os/win32/ngx_files.h b/src/os/win32/ngx_files.h
index 7358ed65b..a2c9c344e 100644
--- a/src/os/win32/ngx_files.h
+++ b/src/os/win32/ngx_files.h
@@ -115,6 +115,7 @@ ssize_t ngx_write_console(ngx_fd_t fd, void *buf, size_t size);
 
 #define ngx_linefeed(p)             *p++ = CR; *p++ = LF;
 #define NGX_LINEFEED_SIZE           2
+#define NGX_LINEFEED                CRLF
 
 
 #define ngx_delete_file(name)       DeleteFile((const char *) name)