Merge https://github.com/yasm/yasm/commit/ab19547382660d81e0b4a0232dccb38f44c52a36

tools/re2c/code.c

+#ifdef _WIN32
+#include <windows.h>
+#include <io.h>
+#endif
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 #include "tools/re2c/substr.h"
 #include "tools/re2c/globals.h"
 #include "tools/re2c/dfa.h"
 #include "tools/re2c/parse.h"
 
+#ifdef _WIN32
+/* tmpfile() replacment for Windows.
+ *
+ * On Windows tmpfile() creates the file in the root directory. This
+ * may fail due to unsufficient privileges.
+ */
+static FILE *
+win32_tmpfile (void)
+{
+    DWORD path_len;
+    WCHAR path_name[MAX_PATH + 1];
+    WCHAR file_name[MAX_PATH + 1];
+    HANDLE handle;
+    int fd;
+    FILE *fp;
+
+    path_len = GetTempPathW (MAX_PATH, path_name);
+    if (path_len <= 0 || path_len >= MAX_PATH)
+        return NULL;

[Nico, 2012/05/02 16:52:05]

This indent looks different from the upstream patch. Why is that?

[scottmg, 2012/05/02 16:58:23]

The pretty diff page on github isn't replacing tabs so it's getting collapsed.
If you go to the view file link, it looks the same as here.

+
+    if (GetTempFileNameW (path_name, L"ps_", 0, file_name) == 0)
+        return NULL;
+
+    handle = CreateFileW (file_name,
+                         GENERIC_READ | GENERIC_WRITE,
+                         0,
+                         NULL,
+                         CREATE_ALWAYS,
+                         FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE,
+                         NULL);
+    if (handle == INVALID_HANDLE_VALUE) {
+        DeleteFileW (file_name);
+        return NULL;
+    }
+
+    fd = _open_osfhandle((intptr_t) handle, 0);
+    if (fd < 0) {
+        CloseHandle (handle);
+        return NULL;
+    }
+
+    fp = fdopen(fd, "w+b");
+    if (fp == NULL) {
+        _close(fd);
+        return NULL;
+    }
+
+    return fp;
+}
+#endif
+
 static void useLabel(size_t value) {
     while (value >= vUsedLabelAlloc) {
         vUsedLabels = realloc(vUsedLabels, vUsedLabelAlloc * 2);
         if (!vUsedLabels) {
             fputs("Out of memory.\n", stderr);
             exit(EXIT_FAILURE);
         }
         memset(vUsedLabels + vUsedLabelAlloc, 0, vUsedLabelAlloc);
         vUsedLabelAlloc *= 2;
     }
@@ skipping 818 matching lines @@
     start_label = label;
 
     Action_new_Enter(d->head, label++);
 
     for(s = d->head; s; s = s->next)
         s->label = label++;
 
     nOrgOline = oline;
     maxFillIndexes = vFillIndexes;
     orgVFillIndexes = vFillIndexes;
+#ifdef _WIN32
+    tmpo = win32_tmpfile();
+#else
     tmpo = tmpfile();
+#endif
     for(s = d->head; s; s = s->next){
         int readCh = 0;
         State_emit(s, tmpo, &readCh);
         Go_genGoto(&s->go, tmpo, s, s->next, &readCh);
     }
     fclose(tmpo);
     maxFillIndexes = vFillIndexes;
     vFillIndexes = orgVFillIndexes;
     oline = nOrgOline;
 
@@ skipping 43 matching lines @@
     if (bitmap_brace) {
         fputs("}\n", o);
         oline++;
     }
 
     BitMap_first = NULL;
 
     free(saves);
     free(rules);
 }