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[qemu.git] / os-win32.c

diff --git a/os-win32.c b/os-win32.c
index dfa90bce6ab35276f352e6fcdc59158869b289e8..dd46bf459db4a150d2866468fa2c9bc1adb8a885 100644 (file)
--- a/os-win32.c
+++ b/os-win32.c
@@ -31,6 +31,22 @@
 #include <sys/time.h>
 #include "config-host.h"
 #include "sysemu.h"
+#include "qemu-options.h"
+
+/***********************************************************/
+/* Functions missing in mingw */
+
+int setenv(const char *name, const char *value, int overwrite)
+{
+    int result = 0;
+    if (overwrite || !getenv(name)) {
+        size_t length = strlen(name) + strlen(value) + 2;
+        char *string = qemu_malloc(length);
+        snprintf(string, length, "%s=%s", name, value);
+        result = putenv(string);
+    }
+    return result;
+}
 
 /***********************************************************/
 /* Polling handling */
@@ -159,7 +175,7 @@ static BOOL WINAPI qemu_ctrl_handler(DWORD type)
     return TRUE;
 }
 
-void os_setup_signal_handling(void)
+void os_setup_early_signal_handling(void)
 {
     /* Note: cpu_interrupt() is currently not SMP safe, so we force
        QEMU to run on a single CPU */
@@ -181,3 +197,40 @@ void os_setup_signal_handling(void)
         }
     }
 }
+
+/* Look for support files in the same directory as the executable.  */
+char *os_find_datadir(const char *argv0)
+{
+    char *p;
+    char buf[MAX_PATH];
+    DWORD len;
+
+    len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
+    if (len == 0) {
+        return NULL;
+    }
+
+    buf[len] = 0;
+    p = buf + len - 1;
+    while (p != buf && *p != '\\')
+        p--;
+    *p = 0;
+    if (access(buf, R_OK) == 0) {
+        return qemu_strdup(buf);
+    }
+    return NULL;
+}
+
+/*
+ * Parse OS specific command line options.
+ * return 0 if option handled, -1 otherwise
+ */
+void os_parse_cmd_args(int index, const char *optarg)
+{
+    return;
+}
+
+void os_pidfile_error(void)
+{
+    fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
+}