magic number changes of CR/LF are swapped

c3880684 · Guido van Rossum · 8c89a6fd · c3880684
Commit c3880684 authored Feb 19, 1995 by Guido van Rossum
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Python/import.c Python/import.c +3 -1

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--- a/Python/import.c
+++ b/Python/import.c
@@ -48,7 +48,9 @@ extern int verbose; /* Defined in pythonrun.c */
 extern long getmtime(); /* In getmtime.c */

 /* Magic word to reject .pyc files generated by other Python versions */
-#define MAGIC 0x999903L /* Increment by one for each incompatible change */
+/* Increment by one for each incompatible change */
+/* MPW swaps CR and LF, so their value is incorporated as well */
+#define MAGIC (0x999903L ^ (('\n'^10L)<<16) ^ (('\r'^13L)<<8))

 object *import_modules; /* This becomes sys.modules */