Mercurial > cpython-lru_cache-weakref

comparison Python/pythonrun.c @ 15740:0a77013c50ac legacy-trunk

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Fix signed/unsigned wng. Unfortunately, (unsigned char) << int has type int in C.
author Tim Peters <tim.peters@gmail.com>
date Fri, 05 Jan 2001 00:54:29 +0000
parents 76caf0855d1f
children cf17a3ce5387
comparison
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15739:97821a46e000 15740:0a77013c50ac
568 /* Read only two bytes of the magic. If the file was opened in 568 /* Read only two bytes of the magic. If the file was opened in
569 text mode, the bytes 3 and 4 of the magic (\r\n) might not 569 text mode, the bytes 3 and 4 of the magic (\r\n) might not
570 be read as they are on disk. */ 570 be read as they are on disk. */
571 unsigned int halfmagic = PyImport_GetMagicNumber() & 0xFFFF; 571 unsigned int halfmagic = PyImport_GetMagicNumber() & 0xFFFF;
572 unsigned char buf[2]; 572 unsigned char buf[2];
573 if (fread(buf, 1, 2, fp) == 2 573 if (fread(buf, 1, 2, fp) == 2
574 && (buf[1]<<8 | buf[0]) == halfmagic) 574 && ((unsigned int)buf[1]<<8 | buf[0]) == halfmagic)
575 return 1; 575 return 1;
576 fseek(fp, 0, SEEK_SET); 576 fseek(fp, 0, SEEK_SET);
577 } 577 }
578 return 0; 578 return 0;
579 } 579 }