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src/os/win32/ngx_errno.c - nginx source code

Functions defined

Source code


  2. /*
  3. * Copyright (C) Igor Sysoev
  4. * Copyright (C) Nginx, Inc.
  5. */


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


  12. u_char *
  13. ‌ngx_strerror(ngx_err_t err, u_char *errstr, size_t size)
  14. {
  15.     u_int          len;
  16.     static u_long  lang = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US);

  18.     if (size == 0) {
  19.         return errstr;
  20.     }

  22.     len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
  23.                         NULL, err, lang, (char *) errstr, size, NULL);

  25.     if (len == 0 && lang) {

  27.         /*
  28.          * Try to use English messages first and fallback to a language,
  29.          * based on locale: non-English Windows have no English messages
  30.          * at all.  This way allows to use English messages at least on
  31.          * Windows with MUI.
  32.          */

  34.         lang = 0;

  36.         len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
  37.                             NULL, err, lang, (char *) errstr, size, NULL);
  38.     }

  40.     if (len == 0) {
  41.         return ngx_snprintf(errstr, size,
  42.                             "FormatMessage() error:(%d)", GetLastError());
  43.     }

  45.     /* remove ".\r\n\0" */
  46.     while (errstr[len] == '\0' || errstr[len] == CR
  47.            || errstr[len] == LF || errstr[len] == '.')
  48.     {
  49.         --len;
  50.     }

  52.     return &errstr[++len];
  53. }


  56. ngx_int_t
  57. ‌ngx_strerror_init(void)
  58. {
  59.     return NGX_OK;
  60. }

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