1 files changed, 47 insertions, 0 deletions

diff --git a/win32/uname.c b/win32/uname.c
new file mode 100644
index 000000000..9474e5c04
--- /dev/null
+++ b/win32/uname.c
@@ -0,0 +1,47 @@
+#include "libbb.h"
+/* After libbb.h, since it needs sys/types.h on some systems */
+#include <sys/utsname.h>
+
+int uname(struct utsname *name)
+{
+        const char *unk = "unknown";
+        OSVERSIONINFO os_info;
+        SYSTEM_INFO sys_info;
+
+        strcpy(name->sysname, "Windows_NT");
+
+        if ( gethostname(name->nodename, sizeof(name->nodename)) != 0 ) {
+                strcpy(name->nodename, unk);
+        }
+
+        memset(&os_info, 0, sizeof(OSVERSIONINFO));
+        os_info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+
+        GetVersionEx(&os_info);
+        sprintf(name->release, "%u.%u", (unsigned int)os_info.dwMajorVersion,
+                        (unsigned int)os_info.dwMinorVersion);
+        sprintf(name->version, "%u", (unsigned int)os_info.dwBuildNumber);
+
+        GetSystemInfo(&sys_info);
+        switch (sys_info.wProcessorArchitecture) {
+        case PROCESSOR_ARCHITECTURE_AMD64:
+                strcpy(name->machine, "x86_64");
+                break;
+        case PROCESSOR_ARCHITECTURE_INTEL:
+                strcpy(name->machine, "i686");
+                if (sys_info.wProcessorLevel < 6) {
+                        name->machine[1] = '3';
+                }
+                break;
+#if defined(PROCESSOR_ARCHITECTURE_ARM64)
+        case PROCESSOR_ARCHITECTURE_ARM64:
+                strcpy(name->machine, "aarch64");
+                break;
+#endif
+        default:
+                strcpy(name->machine, unk);
+                break;
+        }
+
+        return 0;
+}