diff options
Diffstat (limited to 'pjlib/src/pj/os_info.c')
-rw-r--r-- | pjlib/src/pj/os_info.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/pjlib/src/pj/os_info.c b/pjlib/src/pj/os_info.c new file mode 100644 index 00000000..6259aafa --- /dev/null +++ b/pjlib/src/pj/os_info.c @@ -0,0 +1,242 @@ +/* $Id$ */ +/* + * Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com) + * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <pj/os.h> +#include <pj/ctype.h> +#include <pj/errno.h> +#include <pj/string.h> + +/* + * FYI these links contain useful infos about predefined macros across + * platforms: + * - http://predef.sourceforge.net/preos.html + */ + +#if defined(PJ_HAS_SYS_UTSNAME_H) && PJ_HAS_SYS_UTSNAME_H != 0 +/* For uname() */ +# include <sys/utsname.h> +# include <stdlib.h> +# define PJ_HAS_UNAME 1 +#endif + +#if defined(PJ_HAS_LIMITS_H) && PJ_HAS_LIMITS_H != 0 +/* Include <limits.h> to get <features.h> to get various glibc macros. + * See http://predef.sourceforge.net/prelib.html + */ +# include <limits.h> +#endif + +#if defined(_MSC_VER) +/* For all Windows including mobile */ +# include <windows.h> +#endif + + +#ifndef PJ_SYS_INFO_BUFFER_SIZE +# define PJ_SYS_INFO_BUFFER_SIZE 64 +#endif + +static char *ver_info(pj_uint32_t ver, char *buf) +{ + int len; + + if (ver == 0) { + *buf = '\0'; + return buf; + } + + sprintf(buf, "-%u.%u", + (ver & 0xFF000000) >> 24, + (ver & 0x00FF0000) >> 16); + len = strlen(buf); + + if (ver & 0xFFFF) { + sprintf(buf+len, ".%u", (ver & 0xFF00) >> 8); + len = strlen(buf); + + if (ver & 0x00FF) { + sprintf(buf+len, ".%u", (ver & 0xFF)); + } + } + + return buf; +} + +PJ_DEF(const pj_sys_info*) pj_get_sys_info(void) +{ + static char si_buffer[PJ_SYS_INFO_BUFFER_SIZE]; + static pj_sys_info si; + static pj_bool_t si_initialized; + unsigned left = PJ_SYS_INFO_BUFFER_SIZE, len; + + if (si_initialized) + return &si; + +#define ALLOC_CP_STR(str,field) \ + do { \ + len = pj_ansi_strlen(str); \ + if (len && left >= len+1) { \ + si.field.ptr = si_buffer + PJ_SYS_INFO_BUFFER_SIZE - left; \ + si.field.slen = len; \ + pj_memcpy(si.field.ptr, str, len+1); \ + left -= (len+1); \ + } \ + } while (0) + + /* + * Machine and OS info. + */ +#if defined(PJ_HAS_UNAME) && PJ_HAS_UNAME + { + struct utsname u; + char *tok; + int i, maxtok; + + if (uname(&u) != 0) + goto get_sdk_info; + ALLOC_CP_STR(u.machine, machine); + ALLOC_CP_STR(u.sysname, os_name); + + maxtok = 4; + for (tok = strtok(u.release, ".-"), i=0; + tok && i<maxtok; + ++i, tok=strtok(NULL, ".-")) + { + int n; + + if (!pj_isdigit(*tok)) + break; + + n = atoi(tok); + si.os_ver |= (n << ((3-i)*8)); + } + } +#elif defined(_MSC_VER) + { + OSVERSIONINFO ovi; + + ovi.dwOSVersionInfoSize = sizeof(ovi); + + if (GetVersionInfoEx(&ovi) == FALSE) + goto get_sdk_info; + + si.os_ver = (ovi.dwMajorVersion << 24) | + (ovi.dwMinorVersion << 16); + #if defined(PJ_WIN32_WINCE) && PJ_WIN32_WINCE + si.os_name = pj_str("wince"); + #else + si.os_name = pj_str("win32"); + #endif + } + + { + SYSTEM_INFO wsi; + + GetSystemInfo(&wsi); + switch (wsi.wProcessorArchitecture) { + #if defined(PJ_WIN32_WINCE) && PJ_WIN32_WINCE + case PROCESSOR_ARCHITECTURE_ARM: + si.machine = pj_str("arm"); + break; + case PROCESSOR_ARCHITECTURE_SHX: + si.machine = pj_str("shx"); + break; + #else + case PROCESSOR_ARCHITECTURE_AMD64: + si.machine = pj_str("x86_64"); + break; + case PROCESSOR_ARCHITECTURE_IA64: + si.machine = pj_str("ia64"); + break; + case PROCESSOR_ARCHITECTURE_INTEL: + si.machine = pj_str("i386"); + break; + #endif /* PJ_WIN32_WINCE */ + } + } +#endif + + /* + * SDK info. + */ +get_sdk_info: + +#if defined(__GLIBC__) + si.sdk_ver = (__GLIBC__ << 24) | + (__GLIBC_MINOR__ << 16); + si.sdk_name = pj_str("glibc"); +#elif defined(__GNU_LIBRARY__) + si.sdk_ver = (__GNU_LIBRARY__ << 24) | + (__GNU_LIBRARY_MINOR__ << 16); + si.sdk_name = pj_str("libc"); +#elif defined(__UCLIBC__) + si.sdk_ver = (__UCLIBC_MAJOR__ << 24) | + (__UCLIBC_MINOR__ << 16); + si.sdk_name = pj_str("uclibc"); +#elif defined(_WIN32_WCE) && _WIN32_WCE + /* Old window mobile declares _WIN32_WCE as decimal (e.g. 300, 420, etc.), + * but then it was changed to use hex, e.g. 0x420, etc. See + * http://social.msdn.microsoft.com/forums/en-US/vssmartdevicesnative/thread/8a97c59f-5a1c-4bc6-99e6-427f065ff439/ + */ + #if _WIN32_WCE <= 500 + si.sdk_ver = ( (_WIN32_WCE / 100) << 24) | + ( ((_WIN32_WCE % 100) / 10) << 16) | + ( (_WIN32_WCE % 10) << 8); + #else + si.sdk_ver = ( ((_WIN32_WCE & 0xFF00) >> 8) << 24) | + ( ((_WIN32_WCE & 0x00F0) >> 4) << 16) | + ( ((_WIN32_WCE & 0x000F) >> 0) << 8); + #endif + si.sdk_name = pj_str("cesdk"); +#elif defined(_MSC_VER) + /* No SDK info is easily obtainable for Visual C, so lets just use + * _MSC_VER. The _MSC_VER macro reports the major and minor versions + * of the compiler. For example, 1310 for Microsoft Visual C++ .NET 2003. + * 1310 represents version 13 and a 1.0 point release. + * The Visual C++ 2005 compiler version is 1400. + */ + si.sdk_ver = ((_MSC_VER / 100) << 24) | + (((_MSC_VER % 100) / 10) << 16) | + ((_MSC_VER % 10) << 8); + si.sdk_name = pj_str("msvc"); +#endif + + /* + * Build the info string. + */ + { + char tmp[PJ_SYS_INFO_BUFFER_SIZE]; + char os_ver[20], sdk_ver[20]; + int len; + + len = pj_ansi_snprintf(tmp, sizeof(tmp), + "%s%s/%s/%s%s", + si.os_name.ptr, + ver_info(si.os_ver, os_ver), + si.machine.ptr, + si.sdk_name.ptr, + ver_info(si.sdk_ver, sdk_ver)); + if (len > 0 && len < sizeof(tmp)) { + ALLOC_CP_STR(tmp, info); + } + } + + si_initialized = PJ_TRUE; + return &si; +} |