Mercurial > cpython-lru_cache-weakref

annotate Python/pystrcmp.c @ 81432:a4292889e942

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Issue #15031: Refactor some code in importlib pertaining to validating and compiling bytecode. Thanks to Ronan Lamy for pointing the redundancy and taking an initial stab at the refactor (as did Nick Coghlan).
author Brett Cannon <brett@python.org>
date Fri, 11 Jan 2013 18:09:25 -0500
parents fd25030223b0
children
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1 /* Cross platform case insensitive string compare functions
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2 */
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3
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4 #include "Python.h"
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5
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6 int
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7 PyOS_mystrnicmp(const char *s1, const char *s2, Py_ssize_t size)
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8 {
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9 if (size == 0)
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10 return 0;
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11 while ((--size > 0) &&
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12 (tolower((unsigned)*s1) == tolower((unsigned)*s2))) {
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13 if (!*s1++ || !*s2++)
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14 break;
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15 }
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16 return tolower((unsigned)*s1) - tolower((unsigned)*s2);
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17 }
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18
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19 int
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20 PyOS_mystricmp(const char *s1, const char *s2)
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21 {
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22 while (*s1 && (tolower((unsigned)*s1++) == tolower((unsigned)*s2++))) {
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23 ;
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24 }
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25 return (tolower((unsigned)*s1) - tolower((unsigned)*s2));
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26 }