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Revert "Make RGBASM overwrite output files atomically"

--- a/src/asm/output.c

+++ b/src/asm/output.c

@@ -16,24 +16,7 @@

 #include <stdint.h>

 #include <stdlib.h>

 #include <string.h>

-#include <unistd.h>

-#include <libgen.h>

-#ifdef _WIN32

-#include <windows.h>

-#include <winbase.h>

-/*

- * The semantics of `rename` on Windows differ from POSIX in that it errors out

- * when the target file exists, instead of overwriting it.

- * Thus, shim `rename` with similar semantics (note that the return value of

- * `MoveFileExA` is inverted, and it uses `GetLastError` instead of `errno`)

- */

-#define rename(oldname, newname) \

-	MoveFileExA(oldname, newname, MOVEFILE_WRITE_THROUGH | \

-				      MOVEFILE_REPLACE_EXISTING) \

-	? 0 : (errno = GetLastError(), -1)

-#endif

-

 #include "asm/asm.h"

 #include "asm/charmap.h"

 #include "asm/fstack.h"

@@ -548,25 +531,13 @@

  */

 void out_WriteObject(void)

 {

-	/* Write to a temporary file in the target's folder */

-	char *objectNameCopy = strdup(tzObjectname);

-	char const *dirPath = dirname(objectNameCopy);

-	char tmpFileName[strlen(dirPath) + 1 + 16 + 1];

-

-	sprintf(tmpFileName, "%s/rgbasm_tmpXXXXXX", dirPath);

-	free(objectNameCopy);

-	int fd = mkstemp(tmpFileName);

-

 	FILE *f;

 	struct PatchSymbol *pSym;

 	struct Section *pSect;

-	if (fd == -1)

-		err(1, "Couldn't create temporary file");

-

 	addexports();

-	f = fdopen(fd, "wb");

+	f = fopen(tzObjectname, "wb");

 	if (f == NULL)

 		fatalerror("Couldn't write file '%s'\n", tzObjectname);

@@ -589,11 +560,6 @@

 	}

 	fclose(f);

-	close(fd);

-

-	if (rename(tmpFileName, tzObjectname) != 0)

-		err(1, "Couldn't create object file (temp file kept as %s)",

-		    tmpFileName);

 }

 /*