diff options
Diffstat (limited to 'src/microhttpd/mhd_compat.c')
-rw-r--r-- | src/microhttpd/mhd_compat.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/microhttpd/mhd_compat.c b/src/microhttpd/mhd_compat.c new file mode 100644 index 00000000..4911a1c6 --- /dev/null +++ b/src/microhttpd/mhd_compat.c @@ -0,0 +1,95 @@ +/* + This file is part of libmicrohttpd + Copyright (C) 2014-2016 Karlson2k (Evgeny Grin) + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +*/ + +/** + * @file microhttpd/mhd_compat.c + * @brief Implementation of platform missing functions. + * @author Karlson2k (Evgeny Grin) + */ + +#include "mhd_compat.h" +#if defined(_WIN32) && !defined(__CYGWIN__) +#include <stdint.h> +#include <time.h> +#ifndef HAVE_SNPRINTF +#include <stdio.h> +#include <stdarg.h> +#endif /* HAVE_SNPRINTF */ +#endif /* _WIN32 && !__CYGWIN__ */ + + +/** + * Dummy function to silent compiler warning on empty file + * @return zero + */ +static int +static_dummy_func(void) +{ + return 0; +} + +#if defined(_WIN32) && !defined(__CYGWIN__) +/** + * Static variable used by pseudo random number generator + */ +static int32_t rnd_val = 0; + +/** + * Generate 31-bit pseudo random number. + * Function initialize itself at first call to current time. + * @return 31-bit pseudo random number. + */ +int MHD_W32_random_(void) +{ + if (0 == rnd_val) + rnd_val = (int32_t)time(NULL); + /* stolen from winsup\cygwin\random.cc */ + rnd_val = (16807 * (rnd_val % 127773) - 2836 * (rnd_val / 127773)) + & 0x7fffffff; + return (int)rnd_val; +} + + +#ifndef HAVE_SNPRINTF +/* Emulate snprintf function on W32 */ +int W32_snprintf(char *__restrict s, size_t n, const char *__restrict format, ...) +{ + int ret; + va_list args; + if (0 != n && NULL != s ) + { + va_start(args, format); + ret = _vsnprintf(s, n, format, args); + va_end(args); + if ((int)n == ret) + s[n - 1] = 0; + if (ret >= 0) + return ret; + } + va_start(args, format); + ret = _vscprintf(format, args); + va_end(args); + if (0 <= ret && 0 != n && NULL == s) + return -1; + + return ret; +} +#endif /* HAVE_SNPRINTF */ +#endif /* _WIN32 && !__CYGWIN__ */ |